Fosi Audio BT30D PRO Manuale utente

BT30D PRO

BT30D PRO Bluetooth Power

Amplier User’s Guide

Product Overview

Volume

Control

Bass

Control

Treble

Control

Subwoofer

Frequency Control

Power

Switch

Subwoofer

Volume Control

Input Mode

Indicator

Antenna

Interface

PRE OUT

Power In

Passive

Subwoofer Output

Passive

Speakers Output

RCA Input

Bluetooth

Antenna

Fosi Audio BT30D PRO is a HiFi Bluetooth 5.0 power amplifier

that features SUB volume / Frequency control, Bass / Treble

control. Support Bluetooth or RCA input, suitable for most pas-

sive speakers, passive / powered subwoofer. Adopt TPA3255

high-performance chips to output 680W stably, low distortion to

show ultra-high-definition sound quality. The perfect solution to

meet all your audio needs! Let's join the audiophile’s music

journey with Fosi Audio BT30D PRO!

Audio Input:

Output Interfaces:

Output:

Power Amplifier Chip:

DC Input Range:

THD:

SNR:

Frequency Range:

Input Sensitivity:

Terminating Impedance:

MAX Power Output:

Bluetooth Transmission

Distance:

Bluetooth / RCA

TPA3255

DC 12-36V

≤ 0.04%

≥ 108dB

20Hz - 20kHz (±1dB)

700mV

2-8Ω

165W(@4Ω) x 2+350W(@2Ω)

Up to 50 Ft (Without obstacle)

3.5MM full-range output,

Speaker's / Subwoofer output

Passive Speakers / Subwoofer

+Active Speakers / Subwoofer

Note:

Fosi Audio BT30D PRO ×1

Bluetooth Antenna ×1

User Manual ×1

Power Adapter ×1

Connect the power adapter to the socket and the

BT30D PRO. Please make sure the green LED

light on the power adapter stays on.

2Connect the active (powered) speakers to the

BT30D PRO.

3Connect passive speakers to the BT30D PRO

using banana plugs or bare wire.Then turn on the

power switch.

1Adjust the volume control, SUB volume/Frequency

control, Bass /Treble control, then enjoy it!

Make sure that all the cables are completely

pushed into the device.

RCA line input: Use an RCA cable to connect the

BT30D PRO and your device. The input mode

indicator light will turn red after a successful

connection.

2Bluetooth input: Turn on the Bluetooth on your

device, then select "Fosi Audio BT30D PRO" for

pairing, the input mode indicator light will turn blue

after a successful connection. Once Bluetooth is

connected, the RCA input will be interrupted. If you

want to use the RCA input again, just disconnect

the Bluetooth.

Try to use other Bluetooth devices. Weak or unstable Blue-

tooth signal will cause this problem, try to close your device

to the BT30D PRO.

Please check the indicator light on the front panel of the

amplifier and the power supply are on.

If the indicator light is on, please check if the volume knob is

at the minimum state, if it is, please turn up the volume.

Make sure that BT30D PRO is in the play mode you want.

Try another RCA cable and make sure the audio cable is

connected correctly.

Please unplug the RCA cable from the amplifier, and then

turn it on to have a try.

Please change the audio cable and audio source to

have a try.

Did you set the "treble" volume to the top? Please volume

down the "Treble" volume.

The gain of BT30D PRO is larger than other model, you can

volume down the "Treble" sound. Some speakers are very

sensitive so that the white noise will be obvious, it’s normal

that BT30D PRO has some noise when you turn up the

“Treble” volume.

Make sure that all the cables are completely pushed into the

device, incompletely connection will cause this issue.

Please keep this device away from other electronic devices.

Note: Make sure that all the cables are completely

pushed into the device.

Note: Bluetooth input mode (the input mode indicator

light will turn blue). RCA input mode (the input

mode indicator light will turn red).Once Bluetooth is

connected, the RCA input will be interrupted.

Please check if the audio source is paused.

Make sure that BT30D PRO is on and the LED light on the

power adapter is green.

Make sure that BT30D PRO is not paired with other devices.

Make sure that the distance between your device and BT30D

PRO is not too long, close your device to BT30D PRO to

have a try.

Make sure there are no obstacles between your device and

BT30D PRO, obstacles will affect the Bluetooth operation

distance.

Please try to change another Bluetooth audio source to test.

Please replug the power supply, move the amplifier to anoth-

er room and test it again.

Restart the BT30D PRO and then try to connect again, try to

use another brand of mobile phone.

Please try to change the sound source, cables and

speakers /subwoofer.

Restart the BT30D PRO and your device, then try

to connect again.

My Bluetooth device can’t pair with

BT30D PRO?

Please test whether the Bluetooth and RCA input have

the same problem first.

If the two modes have the same problem, swap the

speaker cables of the left and right channels, or change

another speaker, and then test whether this channel still

does not work.

If only RCA or Bluetooth mode does not work, change

the audio source, change the RCA cable and test again,

and make sure that all the cables are completely pushed

into the device.

Make sure that the LED light on the power adapter is on.

If it does not light up: unplug the power adapter from the

BT30D PRO, plug the power adapter directly into the AC

power source, and see if the LED will light up. If it still

does not light up, it may be a problem with the power

adapter. Please contact us to replace the power adapter.

Is there any other DC12-36V power adapter at home?

You can use the camera or router's power adapter to

connect to the BT30D PRO, test to see if the BT30D

PRO can be turned on.

If your turntable has a built-in phono preamp, you can

directly connect the BT30D PRO to your turntable with

RCA cable.

If your turntable does not have a built-in phono preamp,

you need to add a phono preamp to the turntable and

BT30D PRO, similar to our BOX X2.

SUB freq is to adjust the output frequency of passive

subwoofer, the adjustment range is 0-300Hz.

Yes.

Yes, you can do it. You don't need to connect all the outputs.

If the item will not be used for a long time, please

unplug the power plug to prevent the item from being

burnt due to lightning strike.

Make sure all the cables are fully connected.

Adjust the treble and bass control of the power amplifier to

achieve the right tone.

Please try to change the sound source and cables to test.

No. BT30D PRO does not support Dolby, aptX, aptX HD

and aptX Low Latency.

It can be connected all the time and it is safe without

power consumption.

Can the BT30D PRO be used as a 2.0

channel power amplifier? Can it be used

without connecting the subwoofer?

Do I have to connect all the outputs of

BT30D PRO? Can I only connect one speak-

er? Or just use it as a subwoofer preamp?

Does the BT30D PRO support Bluetooth

aptX and Low Latency?

Make sure that all the cables are completely

pushed into the device.

Yes, it works.

Yes, the wide voltage AC 110v-240V for power input can

be used in any country. You only need to match the

power cord adapter of the corresponding country.

Try to reduce the sound of the sound source.

Try to change the audio source to test.

Reduce the volume of the treble bass amplifier.

Ensure that the positive and negative poles of the

speaker output do not touch together. Some relatively

large banana plugs are easy to touch together and

cause a short circuit.

Try to change a Bluetooth device.

BT30D PRO is suitable for most home audio-visual

systems, it can drive 20-200 watts, 2-8 ohms speakers.

Ensure that there is no interference from other electronic

equipment between the BT30D PRO and the audio source.

Put the sound source close to the BT30D PRO.

Replug the power adapter.

What speakers are suitable for the

BT30D PRO?

Can I take the BT30D PRO to other

countries?

PRO

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