Crossfire VR142 Manuale utente

Master 0:

Master 180:

Slave:

MODEL:

VR142 VR202 VR302 VR402 VR602 VR1202 VR354 VR404

VR804 VR401 VR300D VR600D

VR1000D VR2000D VR705D

POWER/4 ohm 35 x 2 50 x 2 75 x 2 100 x 2 150 x 2 300 x 2 35 x 4 50 x 4 100 x 4 200 x 1 150 x 1 150 x 1 250 x 1 1000 x 1 50 x 4/150 x 1

POWER/2 ohm 70 x 2 100 x 2 150 x 2 200 x 2 300 x 2 600 x 2 70 x 4 100 x 4 200 x 4 400 x 1 300 x 1 300 x 1 500 x 1 2000 x 1 100 x 4/300 x 1

POWER/1 ohm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 600 x 1 1000 x 1 N/A N/A

BRIDGED/4 ohm 140 x 1 200 x 2 300 x 2 400 x 1 600 x 1 1200 x 1 140 x 2 200 x 2 400 x 2 N/A N/A N/A N/A N/A 200 x 2/150 x 1

T.H.D 0.02% 0.02% 0.02% 0.02% 0.02% 0.02% 0.02% 0.02% 0.02% 0.02% *** *** *** *** 0.02%

Bandwidth + 3dB

5-38KHz 5-38KHz 5-38KHz 5-38KHz 5-38KHz 5-38KHz 5-38KHz 5-38KHz 5-38KHz 5-38KHz 5-250Hz 5-250Hz 5-250Hz 5-250Hz 5-38KHz/5-250Hz

Signal To Noise >93dB >95dB >97dB >97dB >100dB >100dB >95dB >95dB >95dB >94dB

>90dB >90dB >90dB >90dB >95dB

Damping Factor >150 >200 >200 >200 >300 >200 >150 >150 >150 >310 >200 >200 >200 >200 >250

Separation 60dB 60dB 62dB 62dB 68dB 68dB 61dB 61dB 61dB N/A N/A N/A N/A N/A 60dB

Input Sensitivity * * * * * * * *

* * * * * * *

Input Impedance 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm

20Kohm 20Kohm 20Kohm 20Kohm

Power Fuse 20 A 25 A 30 A (2)25 A (2)30 A N/A 25 A (2)20 A N/A (2)25 A N/A N/A N/A N/A N/A

Dimensions W: 9.3 IN 9.3 IN

9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN

H: 2.1 IN 2.1 IN 2.1 IN

2.1 IN 2.1 IN 2.1 IN 2.1 IN 2.1 IN 2.1IN 2.1 IN 2.1 IN 2.1 IN 2.1 IN 2.1 IN 2.1 IN

L: 8.5 IN 10.5 IN 11.5 IN 13 IN 15 IN 22 IN 12 IN 14 IN 17.6 IN 13 IN 9.5 IN 11.5 IN 14 IN 22 IN 19 IN

CROSSOVER:

Selectable ON/OFF crossover-fully variable 50-150Hz HP (High Pass)/LP (Low Pass) or for those models with "NO" high level inputs is

variable 50-500Hz HP/LP

Var. HP/LP

50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-250Hz 50-250Hz 50-250Hz 50-250Hz 50-250Hz

Var. High Pass

50-500Hz 50-500Hz 50-500Hz 50-500Hz 50-500Hz 50-500Hz 50-500Hz 50-500Hz 50-500Hz 50-500Hz

N/A N/A N/A N/A

50-250Hz

X-Over Slope 12dB 12dB 12dB 12dB 12dB 12dB 12dB 12 dB 12dB 12dB 12dB 12dB 12dB 12dB 12dB

45hz BOOST YES YES YES YES YES NO NO NO NO NO NO NO NO NO NO

Sub-Sonic Filter NO NO NO NO NO NO NO NO NO NO 20-50Hz 20-50Hz 20-50Hz 20-50Hz 20-50Hz

High Level Input

YES* YES* YES* NO NO NO YES* YES* YES* YES* YES* NO NO NO NO

Pass-Thru Output

NO NO NO NO NO NO NO NO NO YES YES YES YES YES NO

***

T.H.D. levels vary depending on impedance load. Please see chart below for more information. All specifications are with 12.5 volts DC. Typical output with 14.4

volts DC is approximately 20% higher.

T.H.D. LEVEL @ 4 OHM @.08% @.08% @.08% @.08%

T.H.D. LEVEL @ 2 OHM

@.40% @.40% @.40% @.40%

T.H.D. LEVEL @ 1 OHM N/A

@1% @1% N/A

* In an effort to maintain the best quality and functioning product on the market continuous changes such as the following are made as a "Running

Change" improvent. In some model amplifiers the "HIGH LEVEL" input was replaced with an "INPUT SENSITIVITY MULTIPLIER". This two position switch

allows the amplifier to make full power at a wider range of voltage input with out the use of a line driver or sacrifice of sound quality. The following chart

explains the variations entitled to such changes.

INPUT SENSITIVITY MEASUREMENTS

X1 INPUT

150mV-3.2V 150mV-3.2V 150mV-3.2V 150mV-3.2V 150mV-3.2V 150mV-3.2V 150mV-3.2V 150mV-3.2V 150mV-3.2V 150mV-3.2V 240mV-6V 240mV-6V 240mV-6V 240mV-6V

X3 INPUT

450mV-9V 450mV-9V 450mV-9V 450mV-9V 450mV-9V 450mV-9V 450mV-9V 450mV-9V 450mV-9V 450mV-9V NA NA NA NA NA

Class "D" Technology

Military Spec Audiophile Grade Components

High Efficiency PWM Power Supply

-Multi-stranded power torroid

-Oversized torroidial core

MOSFET Input and Output Transistors

Oversized Capacitor Banks

Discrete Mount Power and Speaker Terminals

Variable Lowpass Electronic Crossover

Variable Subsonic Filter

RCA Preamp Output

-Variable HP/LP/Full crossover

Built in Bridging Module (600D,1000D)

-Master / Slave Selector

-0/180 Phase Selector

5 Way Protection Circuitry

Soft Remote On/Off Circuitry

Remote Subwoofer Level Control

Class "AB" Technology

Fully 2 Ohm Stable Stereo Operation

Military Spec. Audiophile Grade Components

High Efficiency MOSFET Power Supplies

-Multi-stranded power torroid

Efficient Bipolar Output Transistors

Oversized Capacitor Bank

Wire Free PC Board Layouts

Nickel Plated Input and Output Connectors

Variable Highpass and Lowpass Electronic Crossovers

Simultaneous Mono/Stereo Operation Capability

Internally Bridgeable

5 Way Protection Circuitry

Soft Start, On/Off Circuitry

High Level Inputs

VR142 VR202 VR302 VR402 VR602

VR1202 VR354 VR404 VR804 VR401

VR300D VR600D VR1000D VR2000D

FEATURES

SPECIFICATIONS

For the VR705D amplifier please refer to the Class AB technology for channels 1-4 and Class D technology for the 5th channel.

150mV-3.2V

240Mv-6V

IMPORTANT

Please read all instructions before installation!

MOUNTING

Tab Installation Input Sensitivity

L R

LOW IN

50Hz 150Hz

HIGH IN

CONNECTING THE WIRES

SPEAKEROUTPUT

WIRINGDIAGRAMS

WIRINGDIAGRAMSCONTINUED

PREAMP FEATURES

SIGNAL INPUTS

VR AMPLIFIERS

VR Series

Master 0:

Master 180:

Slave:

FEATURES

SPECIFICATIONS

The quality of installation may affect the performance and reliability of your Crossfire product. If you have any doubts or questions regarding installation, we recommend that you

contact your authorized Crossfire dealer. Remember to follow all wire and fuse requirements suggested in this manual. Warranty may void if proper installation technique is not

used (refer to warranty section in the rear of this manual).

IMPORTANT

Please read all instructions before installation!

Appropriate mounting is very important for prolonged life expectancy of any amplifier. Select a location of applicable space that allows sufficient airflow and provides protection

from moisture. Keep in mind that an amplifier should never be mounted upside down. Upside down mounting will compromise heat dissipation through the heatsink and will

engage the thermal protection circuit much sooner. Excessive heat can shorten your amplifier's life. To maximize heat dissipation, be sure to leave at least 2.5 inches of clearance

around the amplifier. Fans should be used in correspondence with an escape duct for heat when mounting the amplifier in an enclosed or restricted area.

Avoid slipping and scratching your new Crossfire amplifier by pre-drilling the mounting holes with either an 1/8" or 3mm diameter drill bit when using the screws supplied in the

accessory kit. Always investigate the mounting area thoroughly for electrical wires, vacuum lines, and brake or fuel lines before you start, as to prevent any potentially expensive

mistakes.

Heat is trapped inside the

amplifier, shortening the life

of the electronic components.

Incorrect Mounting Correct Mounting

Heat is lifted from the

amplifier heatsink.

MOUNTING

Tab Installation

Input Sensitivity

L R

OW IN

LEVEL

ON OFF

FREQ

HPF FULL LPF

POWER

50Hz 150Hz

CROSSOVER

BOOST

LOW

50Hz

HIN

OST

LOW IN

50Hz 150Hz

HIGH IN

ON OFF

HPF FULL

POW

CROSSOVE

BOOST

LL LPF

WER

VER

Fig. 2

Fig. 1

Fig. 4 Fig. 3

(Fig. 1) Shows that this amplifier does NOT have

the mounting feet in place.

(Fig. 2) Place one end of the foot in the slot. Make

certain it is facing in the proper direction.

(Fig. 3) With a small rubber mallet, hammer the

opposite end of the foot until it snaps into the slot

correctly.

(Fig. 4) With the foot in place, it is normal for it to

have minimal play.

LOW INFRONT LOW IN REARLEVEL

X3 X1 X3 X1

LEVEL

FREQ

(Hz)

FREQ

(Hz)

HPF FULL LPF

POWER

PROT

CROSSOVER

HPF FULL LPF

CROSSOVER

3.2V

1.8V

420mV

165mV

150mV 50

105

225

395

500 50

105

225

390

500 3.2V

1.8V

420mV

165mV

150mV

fig. 1 fig. 2

This amplifier maybe equipped with an input sensitivity

switch(s) (fig. 1 and 2) which are meant to assist in

producing its rated power when using a head unit with

low voltage preamp outputs. For example, if your

model amplifier has this switch(s) and is afixed to the

"X3" position (fig. 1) the amplifier is most sensitive to

an input voltage range from 450mV-9V, where as when

set to the "X1" position it is most sensitive to an input

voltage range from 150mV-3V. However, this does not

mean you can connect or splice speaker level outputs

from a head unit to the RCA terminals of the amplifier.

CONNECTING THE WIRES

SPEAKEROUTPUT

WIRINGDIAGRAMS

WIRINGDIAGRAMSCONTINUED

PREAMP FEATURES

SIGNAL INPUTS

VR AMPLIFIERS

Master 0:

Master 180:

Slave:

FEATURES

SPECIFICATIONS

IMPORTANT

Please read all instructions before installation!

MOUNTING

Tab Installation Input Sensitivity

L R

LOW IN

50Hz 150Hz

HIGH IN

GROUND

The wire used for ground should be of the same gauge as the power wire. Make sure to choose a different color (generally black) so that you do not reverse the polarity at the amplifier

terminals. Follow the rules below for connecting the ground wire properly:

1. Avoid using seat bolts, seatbelt bolts, and fender wells for ground.

2. Choose a metal area close to the amplifier that appears to be a good source of ground, such as the floor.

3. Investigate the area you wish to use for electrical wires, vacuum lines, and brake or fuel lines.

Directions for connecting the ground wire to the vehicle:

1. Find a nut and bolt to fit the ring terminal you have chosen.

2. Drill a hole just large enough for the bolt to fit through at the source of ground.

3. Use either a wire brush or sandpaper to eliminate unwanted paint around the hole you have drilled as to supply a better contact for your ground.

4. Terminate the ground wire to the ring terminal and attach it to the bare metal using the nut and bolt. It is very important for this connection to be solid.

5. Spread silicon over the screw and bare metal to prevent rust and possible water leaks.

REMOTE TURN-ON

Between the power and ground of the amplifier is a remote turn-on terminal. This terminal must be connected to a switched +12 volt source to make the amplifier operational. Typically,

remote turn-on leads are provided at the head unit that will turn on and off the amplifier in correspondence with the source. This means you will most likely have to remove the head

unit from the dash to find the source +12V output wire.

Once the head unit is pulled from the dash, find the remote turn-on located in the wiring harness of the head unit. The majority of vehicles will be using an after market head unit when

installing an after market amplifier. These after market head units generally use a blue or blue/white colored wire as the remote turn-on lead. In most cases the blue/white lead is

usually the remote turn on lead. However, when using a factory radio, the power antenna wire may be used as a turn-on lead. You must first test this lead to make sure that it remains

energized regardless of the source the head unit is switched to. The antenna lead will energize when switched to the tuner mode, but turn off when the unit is switched to tape/CD

player. Only if a lead is not available at the source, a switched +12 volt supply, such as a toggle switch should be applied. Use a minimum of 18-awg wire to connect the amplifier to this

lead. Connect this lead to the head unit using a mating terminal or by soldering the three points together, but be sure to heatshrink the connection. If possible run this wire along side

of the power wire using the same precautions.

All Crossfire amplifiers are designed to work within 10.5 to 16 volts DC. Therefore, as a precaution, the vehicle's electrical system should be checked for correct voltage supply with the

help of a voltmeter. First, connect the test leads of the voltmeter to the battery terminals with the ignition of the vehicle in the off position. The voltmeter should read no less than 12

volts. Next, check voltage of the battery with the engine running between 1500 and 2000 rpms. The voltmeter should now read between 13.5 and 14.5 volts. If your vehicle's

electrical system is not up to these specifications, we recommend having it checked by an automotive mechanic before you further the installation.

POWER WIRE AND FUSE

The proper wire size is very important for an amplifier capable of these power levels. The following are the minimum recommended fuse values and wire gauge for lengths up to 20ft.

MODEL: WIRE AWG FUSE MODEL: WIRE AWG FUSE

VR142 10 20 VR804 4 100

VR202 10 25 VR401 8 50

VR302 10 30 VR705D 4 100

VR402 8 40 VR300D 8 40

VR602 8 60 VR600D 8 60

VR1202 4 x 2 170 VR1000D 4 120

VR354 10 25 VR2000D 4 x 2 240

VR404 8 40

POWER

Power wires need to be connected directly to the battery using the wire requirements listed above. Never use the fuse box or any other wire as a source for the power for an amplifier.

Before you start, choose the easiest and safest path to run the wire from the battery to the amplifier. Generally, try to keep the power wire on the driver's side of the vehicle (See

Signal Inputs & Outputs for explanation). Follow the rules below for running the power cable through the vehicle:

1. Use grommets when passing the power wire through any metal wall of the vehicle.

2. Avoid sharp corners or sharp body parts that may easily cut through the insulation on the wire.

3. Avoid running the power wire over engine components and near heater cores.

4. Avoid the gas, brake and clutch pedals and their mechanisms.

5. Use an inline fuse at the battery to eliminate the risk of a fire caused by a short in your power wire.

6. Connect the fuse holder as close to the battery positive terminal as possible.

CONNECTING THE WIRES

SPEAKER OUTPUT

WIRINGDIAGRAMS

WIRINGDIAGRAMSCONTINUED

PREAMP FEATURES

SIGNAL INPUTS

VR AMPLIFIERS

Master 0:

Master 180:

Slave:

FEATURES

SPECIFICATIONS

IMPORTANT

Please read all instructions before installation!

MOUNTING

Tab Installation Input Sensitivity

L R

LOW IN

50Hz 150Hz

HIGH IN

At this point, the power, ground, remote, and speaker wires should be run to the general location of where the amplifier is to be mounted. If the wires are to be hidden under

the carpet, you now need to cut a slit for them to come through. To do this, place the amplifier in the location it is to be mounted to verify where the slits need to be. Make

sure that there will not be a conflict with the mounting of the amplifier and the wires. Pull the wires through the slit to the terminals leaving approximately 6" (150mm) of

slack and cut the wires to an equal length. Locate the spade connectors supplied with the amplifier

. Strip approximately 1/2" inch (12mm) of insulation from the end of each

wire. Crimp the spade connectors onto the stripped end of the wire. Loosen the terminal screws on the amplifier. Insert the wires into the proper terminals and tighten the

screws securely. Check your connections by giving the wires a slight tug.

NOTE: Not all models have screw type connectors. Other models use "Discrete Mount" connectors which require bare wire installation (no connector needed).

CONNECTING THE WIRES

LOAD

Please be aware of the minimum impedance you may apply to your particular model amplifier

. See chart below for more information. Any lower impedance than the minimum

can send the amplifier into current protection or possibly damage the circuitry. To prevent damage, use the following formulas to help you figure out the load you are placing

on your amplifier. If you have any difficulties, please contact your local Crossfire dealer or Crossfire's Technical Assistance at (562)906-0800.

SPEAKER OUTPUT

WIRING

Always choose speaker wire wisely. Make sure that the wire is appropriate for the speaker you are applying it to. It is highly recommended not to use anything smaller than

16awg. Consult your dealer.

As with the power wires, use caution around sharp corners or body parts that may easily cut through the insulation on the wire. If running into the doors, it is important to

use a protective boot in the door jam to protect the wire from being pinched as well as keeping water or moisture from entering the vehicle. Use the factory boots whenever

possible. And always make sure the wire is out of the way of the window track.

To connect the wire to the speaker, strip off approximately 1/2" inch (12mm) of the insulation and terminate the wires using insulated speaker terminals (not supplied) or by

soldering the connection to the loudspeaker. Be sure that the polarity at the loudspeaker is correct.

Series/Parallel Wiring Dual Voice Coil

ABCD

(A+B) x (C+D)

A + B + C + D =R

Equation:

Series Wiring

Equation: A+B =R

Parallel Wiring

A x B

A + B =R

Equation:

(A x B)(C x D)

(A+B)+(C+D)

Parallel Wiring, Dual Voice Coil

ABCD

Equation:

MODEL STEREO MONO MODEL STEREO MONO

VR142 2 Ohm 4 Ohm VR404 2 Ohm 4 Ohm

VR202 2 Ohm 4 Ohm VR804 2 Ohm 4 Ohm

VR302 2 Ohm 4 Ohm VR705D(F&R) 2 Ohm 4 Ohm

VR402 2 Ohm 4 Ohm (Sub) N/A 2 Ohm

VR602 2 Ohm 4 Ohm VR300D N/A 2 Ohm

VR1202 2 Ohm 4 Ohm VR600D N/A 1 Ohm

VR401 N/A 2 Ohm VR1000D N/A 1 Ohm

VR354 2 Ohm 4 Ohm VR2000D N/A 2 Ohm

WIRING DIAGRAMS

WIRINGDIAGRAMSCONTINUED

PREAMP FEATURES

SIGNAL INPUTS

VR AMPLIFIERS

Master 0:

Master 180:

Slave:

FEATURES

SPECIFICATIONS

IMPORTANT

Please read all instructions before installation!

MOUNTING

Tab Installation Input Sensitivity

L R

LOW IN

50Hz 150Hz

HIGH IN

CONNECTING THE WIRES

SPEAKER OUTPUT

Three Channel Operation (stereo/mono)

Mono Block Configuration Only

Single Channel Operation (bridged)

MODELS

VR142

VR202

VR302

VR402

VR602

VR1202

WIRING DIAGRAMS

MODELS

VR142

VR202

VR302

VR402

VR602

VR1202

Two Channel Operation (stereo)

MODEL

VR401

MODELS

VR142

VR202

VR302

VR402

VR602

VR1202

BRIDGED

FUSEFUSE

+12V REM GND

POWER

SPEAKER

BRIDGED

FUSE

+12V REM GND

POWER

BRIDGED

FUSEFUSE

+12V REM GND

POWER

FUSE

FUSE +12V REM GND

POWER

FUSE

FUSE +12V REM GND

POWER

Both speakers have single

4ohm voice coils and one

speaker is connected to

each terminal, yet the

amplifier sees 2ohms.

Both speakers have single

4ohm voice coils and are

connected in parallel to one

terminal, yet the amplifier

sees 2ohms.

SPEAKER

SPEAKER SPEAKER

SPEAKER

WIRING DIAGRAMS CONTINUED

PREAMP FEATURES

SIGNAL INPUTS

VR AMPLIFIERS

Master 0:

Master 180:

Slave:

FEATURES

SPECIFICATIONS

IMPORTANT

Please read all instructions before installation!

MOUNTING

Tab Installation Input Sensitivity

L R

LOW IN

50Hz 150Hz

HIGH IN

CONNECTING THE WIRES

SPEAKEROUTPUT

WIRING DIAGRAMS

MODELS

VR300D

VR600D

VR1000D

VR2000D

MODELS

VR354

VR404

VR804

Mono Block Configuration (cont)

Four Channel Operation (stereo)

MODEL

VR705D

MODELS

VR354

VR404

VR804

Three Channel Operation (mono)

Three Channel Operation (stereo & mono)

BRIDGED

+12V REM GND

POWERREAR FRONT

FUSE FUSE

WIRING DIAGRAMS CONTINUED

BRIDGED

+12V GND

POWERREARSUB FRONT

REM

PWR

PRT

BRIDGED

+12V REM GND

POWERREAR FRONT

FUSE FUSE

POWER

+12 REM GND

PWR

PRT

POWER

+12 REM GND

PWR

PRT

Both speakers have dual

4ohm voice coils, all four coils

are paralleled and connected

to one terminal, yet the

amplifier sees 1ohm.

Both speakers have dual

4ohm voice coils, the

coils are paralleled and

one speaker is connected

to each terminal, yet the

amplifier sees 1ohm.

SPEAKER SPEAKER

PREAMP FEATURES

SIGNAL INPUTS

VR AMPLIFIERS

Master 0:

Master 180:

Slave:

FEATURES

SPECIFICATIONS

IMPORTANT

Please read all instructions before installation!

MOUNTING

Tab Installation Input Sensitivity

L R

LOW IN

50Hz 150Hz

HIGH IN

CONNECTING THE WIRES

SPEAKEROUTPUT

WIRINGDIAGRAMS

WIRING DIAGRAMS CONTINUED

PREAMP FEATURES

The VR401, VR300D, VR600D, VR1000D and VR2000D are single channel amplifiers. Unlike most Crossfire amplifiers,

these operate as single channel, therefore one amplifier cannot be bridged by itself. Do not be fooled by the two sets

of speaker outputs. Two outputs are provided striclty for convenience and are paralleled internally on the circuit board of

the amplifier. This means that if both outputs are used with one driver each, the amplifier sees the same load as if the

same two drivers are connected to only one output terminal.

CROSSOVER

On the side panel of your amplifier is a potentiometer marked 50Hz-150Hz or on some models it is marked 50Hz-250Hz.

This controls the relative crossover point for the amplifier. To apply the crossover feature, locate the switch on the same

side panel that reads HPF/Full/LPF. For highpass applications, such as component sets or coaxials, choose HPF. For

lowpass applications, such as subwoofers, choose LPF. If you are looking for a full range application, place the switch on

FULL. Note that full will override the crossover completely.

Note: All four channel amplifiers have two sets of crossover controls, one for the front channels and one for the rear

channels.

Listed below are recommended crossover points for various size speakers. These are only guidelines. Actual crossover

points recommended by the speaker manufacturers may vary and we suggest you follow those recomendations.

Speaker size Crossover recommendation

4" (100mm) component/coaxial HPF 130Hz - 150Hz

5.25" (130mm) component/coaxial HPF 80Hz - 110Hz

6" (160mm) component/coaxial HPF 70Hz - 100Hz

8" (200mm) woofer LPF 90Hz - 120Hz

10" (250mm) subwoofer LPF 70Hz - 100Hz

12" (300mm) subwoofer LPF 70Hz - 100Hz

15" (380mm) subwoofer LPF 50Hz - 80Hz

BOOST

If your system is lacking low bass response, locate the boost switch next to the crossover. By placing this switch in the

"ON" position, 6dB of boost centered around 45Hz will be added. In the "OFF" position no boost is added to the output

signal. This boost switch is available on specific models only. Please see specification chart for verification. Crossfire

highly recommends using this feature only on amplifiers powering subwoofers.

SIGNAL INPUTS

VR AMPLIFIERS

Master 0:

Master 180:

Slave:

FEATURES

SPECIFICATIONS

IMPORTANT

Please read all instructions before installation!

MOUNTING

Tab Installation Input Sensitivity

L R

LOW IN

50Hz 150Hz

HIGH IN

CONNECTING THE WIRES

SPEAKEROUTPUT

WIRINGDIAGRAMS

WIRINGDIAGRAMSCONTINUED

PREAMP FEATURES

SIGNAL INPUTS

Getting a clear signal from the head unit to the amplifier is very important. To achieve this, the proper signal cables (RCA style) must be used. Estimate

the length of the cables necessary. Take note that signal cable manufacturers will probably not have the exact length necessary for your vehicle. If you are

between sizes, purchase the slightly longer cable. You can always hide the extra wire.

Be aware of the differences in cable. Better RCA's usually have multiple layers of shielding and/or twisted pair wiring for better noise rejection. Ask your

local dealer for his recommendation.

LINE LEVEL INPUTS

Car environments are notorious for poorly insulated wires. This means that hiss, engine noise, and electrical noise can easily be picked up through RCA

cables if run incorrectly. To avoid inducing noise into the system, run the RCA's away from large wire looms and electric fans if possible. And always make

sure to position your signal cables away from the power wire, preferably on the opposite side of the vehicle. As with the power wire, use caution around

sharp corners or body parts that may easily cut through the cables.

When connecting the signal cables, check the balance to the source unit and the amplifier. The cables should be marked: red is right and black or white is

usually left. Once you have connected the signal cables to the head unit, slide the unit back into the dash. Make sure the unit is in securely.

A proprietary feature to the four channel amplifiers including the VR705D is a "Combining" switch located underneath the amplifier. With this switch set to

the "2CH" position allows you to only feed the "Front" inputs an audio signal, but still use all four output channels with independent gain controls. This is a

great convenience factor if the headunit you are using only has a single pre-amp output.

Separate to the VR705D only is a "Sub Input" selector switch. With this switch positioned to "CH 1-4" the fifth channel will sum to the signal input of "CH

1-4". Please see diagram in PG-7 for more information. Or if you have any doubts please call your authorized Crossfire dealer or contact Crossfire directly

at (562) 906-0800

HIGH LEVEL INPUTS

*If your model amplifier has an "Input Sensitivity" switch you may go on to the next section.

Select models have "High level Inputs" marked "High In". Use these inputs only if your current head unit does not have low level outputs. These inputs

may be tapped to the closest left and right speaker wires available. Please see diagram in PG-7.

INPUT SENSITIVITY (DO NOT CONNECT SPEAKER LEVEL OUTPUTS TO THIS TERMINAL)

*If your model amplifier has a "High Level Input Plug" you may go on to the next section.

Select models have an Input sensitivity switch(s) which are meant to assist the amplifier in producing its rated power when using a head unit with low

voltage preamp outputs. For example, if your particular amplifier has this switch(s) and is affixed to the "X3" position the amplifier is most sensitive to an

input voltage range from 450mV-9V. When this switch is set to the "X1" position it is most sensitive to an input voltage range from 150mV-3V.

LEVEL CONTROL

Next to the preamp inputs on the side panel of the amplifier is the level control, commonly referred to as the gain. The gain allows you to match the

output level of your source unit or signal processor to the input level of the amplifier. Matching the input can be accomplished in three simple steps:

1. Turn gain (level) control to minimum.

2. Turn on the source unit and adjust to 2/3 of max volume while playing music.

3. Adjust the gain control until desired, maximum volume is achieved without audible distortion.

Remember that the gain control is not a volume knob. Ignoring the three steps above may leave you with damaged speakers and possibly

damaged amplifier(s).

VR AMPLIFIERS

Master 0:

Master 180:

Slave:

FEATURES

SPECIFICATIONS

IMPORTANT

Please read all instructions before installation!

MOUNTING

Tab Installation Input Sensitivity

L R

LOW IN

50Hz 150Hz

HIGH IN

CONNECTING THE WIRES

SPEAKEROUTPUT

WIRINGDIAGRAMS

WIRINGDIAGRAMSCONTINUED

PREAMP FEATURES

SIGNAL INPUTS

Low Level Inputs

High Level Inputs

MODELS

VR142

VR202

VR302

VR401

VR300D

Right lead

ALL 4 CH. MODELS

LOW IN

LEVEL HPF FULL LPF

FREQ LEVEL

FREQ

HPF FULL LPF

POWER

LOW IN

50Hz 150Hz 50Hz 150Hz

HIGH IN

L R

HIGH IN

L R

Connect to

Source Output

Front

Connect to

Source Output

Rear

Input Selector Switch

(located on the bottom of the amp)

2ch 4ch

Tap to Source

Speaker Output

Left lead

LOW IN

LEVEL ON OFF FREQ

HPF FULL LPF

POWER 50Hz 150Hz

HIGH IN

L R

CROSSOVERBOOST

MODELS

VR354

VR404

VR804

Left lead

Right lead

Tap to Source

Speaker Output

Left lead

Right lead

LOW IN

LEVEL HPF FULL LPF

FREQ LEVEL

FREQ

HPF FULL LPF

POWER

LOW IN

50Hz 150Hz 50Hz 150Hz

HIGH IN

L R

HIGH IN

L R

705D 4 Channel Input with Sub

SUB INPUT

LEVEL

HPF FULL

LEVEL

SUB

LOW INLOW IN

50 250

(Hz)

CROSS

OVER

FRONT

LEVEL

HPF FULL EXT INT

20 50

(Hz)

SUB

SONIC

20 50

(Hz)

LPF

REAR

REMOTE

Connect to

Source Output

Sub

Connect to

Source Output

Front Connect to

Source Output

Rear

2ch 4ch

Input Selector Switch

(located on the bottom of the amp)

EXT INT

Sub Input Selector Switch

ALL 2 CH. MODELS

LOW IN

LEVEL ON OFF FREQ

HPF FULL LPF

POWER 50Hz 150Hz

HIGH IN

L R

CROSSOVERBOOST

Connect to

Source Output

705D 2 Channel Input with Sub

Input Selector Switch

(located on the bottom of the amp)

SUB INPUT

LEVEL

HPF FULL

LEVEL

SUB

LOW INLOW IN

50 250

(Hz)

CROSS

OVER

FRONT

LEVEL

HPF FULL EXT INT

20 50

(Hz)

SUB

SONIC

20 50

(Hz)

LPF

REAR

REMOTE

Connect to

Source Output

Front

EXT INT

Sub Input Selector Switch

2ch 4ch

Connect to

Source Output

Rear/Sub

705D 2 Channel Input

2Ch 4Ch

Input Selector Switch

(located on the bottom of the amp)

SUB INPUT

LEVEL

HPF FULL

LEVEL

SUB

LOW INLOW IN

50 250

(Hz)

CROSS

OVER

FRONT

LEVEL

HPF FULL EXT INT

20 50

(Hz)

SUB

SONIC

20 50

(Hz)

LPF

REAR

REMOTE

Connect to

Source Output

EXT INT

Sub Input Selector Switch

ALL 4 CH. MODELS

LOW IN

LEVEL HPF FULL LPF

FREQ LEVEL

FREQ

HPF FULL LPF

POWER

LOW IN

50Hz 150Hz 50Hz 150Hz

HIGH IN

L R

HIGH IN

L R

Input Selector Switch

(located on the bottom of the amp)

2ch 4ch

Connect to

Source Output

Front

Please note that your amplifier may differ from those shown on this page. The following

page has additional model amplifiers connection diagrams and configurations.

VR AMPLIFIERS

Master 0:

Master 180:

Slave:

FEATURES

SPECIFICATIONS

IMPORTANT

Please read all instructions before installation!

MOUNTING

Tab Installation Input Sensitivity

L R

LOW IN

50Hz 150Hz

HIGH IN

CONNECTING THE WIRES

SPEAKEROUTPUT

WIRINGDIAGRAMS

WIRINGDIAGRAMSCONTINUED

PREAMP FEATURES

SIGNAL INPUTS

Low Level Inputs with Sensitivity Switch

ALL 2 CH. MODELS

LOW IN

X3 X1

LEVEL FREQ

(Hz)

HPF FULL LPF

POWER

PROT

CROSSOVER

ON OFF

BOOST

3.2V

1.8V

420mV

165mV

150mV 50

105

225

390

500

Connect to

Source Output

ALL 4 CH. MODELS

Input Selector Switch

(located on the bottom of the amp)

2ch 4ch

LOW INFRONT LOW IN REARLEVEL

X3 X1 X3 X1

LEVEL

FREQ

(Hz)

FREQ

(Hz)

HPF FULL LPF

POWER

PROT

CROSSOVER

HPF FULL LPF

CROSSOVER

3.2V

1.8V

420mV

165mV

150mV 50

105

225

395

500 50

105

225

390

500 3.2V

1.8V

420mV

165mV

150mV

Connect to

Source Output

Front

Connect to

Source Output

Rear

ALL 4 CH. MODELS

Input Selector Switch

(located on the bottom of the amp)

2ch 4ch

LOW INFRONT LOW IN REARLEVEL

X3 X1 X3 X1

LEVEL

FREQ

(Hz)

FREQ

(Hz)

HPF FULL LPF

POWER

PROT

CROSSOVER

HPF FULL LPF

CROSSOVER

3.2V

1.8V

420mV

165mV

150mV 50

105

225

395

500 50

105

225

390

500 3.2V

1.8V

420mV

165mV

150mV

Connect to

Source Output

Front

VR AMPLIFIERS

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