Jays ONE Manuale utente

User manual

English

XXS

English

CONTENTS ONE TWO THREE

1. a-JAYS Earphones •••

2. Silicone sleeves •••

3. Airline adapter • •

4. Stereo splitter • •

5. Travel case •

About a-JAYS

Thank you for choosing a JAYS product. JAYS represents high

quality and a true sound reproduction. The a-JAYS earphones

feature a newly-developed 8.6mm driver designed to enhance

your music’s rhythmic section without compromising any of the

detail in other frequencies. Furthermore the a-JAYS feature a

new at, tangle-free cable to make listening experience easier

still. Just enjoy!

We strongly recommend you read this manual carefully

before use. Further information about service and support

can be found at: www.jays.se.

English

SPECIFICATIONS ONE TWO THREE

Driver 8,6 mm Dynamic Speaker 8,6 mm Dynamic Speaker 8,6 mm Dynamic Speaker

Isolation JAYS Sound Isolating System JAYS Sound Isolating System JAYS Sound Isolating System

Sensitivity 95dB SPL @ 1kHz 96dB SPL @ 1kHz 97dB SPL @ 1kHz

Impedance 16 Ohm 16 Ohm 16 Ohm

Frequency response 20 - 18 000 Hz 20 - 20 000 Hz 20 - 22 000 Hz

Cord length 115 cm (45 in) 115 cm (45 in) 115 cm (45 in)

Weight 14 grams (0,49 oz) 14 grams (0,49 oz) 14 grams (0,49 oz)

Plug Gold-Plated 3.5 mm Gold-Plated 3.5 mm Gold-Plated 3.5 mm

English

Understanding the product specication

Sound Pressure, Decibel and Hz

Sound is an invisible vibration composed of frequencies which

travel in undulations known as sound waves. The amplitude

of vibration produced by an object such as a speaker driver

is proportional to the change of pressure generated as the

wave moves through the medium which surrounds it (such as

air). Therefore, the amplitude of a sound wave is commonly

measured by its pressure level.

The decibel is a non-dimensional, logarithmic scale to denote

a relative change in the strength of a signal or wave. When

placed in the context of sound pressure level; it measures the

nominal threshold of human hearing, relative to the quietest

sound audible to the human ear.

The frequency of instances where a sound wave reaches its

peak during a period of time is measured in Hz (hertz). This is

the number of complete cycles per second. Human hearing is

limited to frequencies between about 20 Hz and 20,000 Hz.

Sensitivity and impedance

Earphone sensitivity is measured in Sound Pressure Level

(SPL). This is essentially a measurement of how loud or easily-

driven a pair of earphones is.

The sensitivity is also inuenced by the drivers’ coil impedance

which varies over the frequency range. The higher the SPL

and the lower the impedance the more easily driven your

earphones will be.

English

Precautions

Do not use the product in other ways than are described•

in this manual.

Handle with care at all times and protect from external•

damage.

Do not expose to heat, magnetism or cold, damp•

environments.

To clean: use a mild, antiseptic detergent.•

Do not expose the cables and plugs to abnormal wear•

and tear, e.g. by bending or pulling them.

Avoid winding the cable too tightly.•

Avoid dropping or strong impact. Always leave the sleeve•

on for shock protection.

Proper use

The a-JAYS earphone model is suitable for many different areas

of use. It is particularly suited to environments where you are

likely to be disturbed by ambient noise, e.g. at airplanes, on

trains, on the subway, at the gym or when you are studying. In

short, whenever you want. Let nothing come between you and

the full enjoyment of your music.

Inserting and removing the earphones

Turn the volume to minimum before insertion.•

For best results, moisten the sleeves before insertion.•

Holding the earphone at the rear, carefully insert the•

sleeve while pulling up and out on the back of the ear.

The earphone should seal deeply and comfortably in

the ear canal.

If the bass frequency response seems too feeble or if•

English

external noise has not been eliminated, try inserting the

earphone deeper into the ear canal to obtain a better

seal or try a different sleeve size.

After use, remove carefully - avoid pulling the cable.•

Cleaning

Clean your earphones regularly using an antiseptic cloth or

wipe. Keep sleeves free of wax and other build-up. Wax and

dirt can adversely affect sound quality and can damage your

earphones. Furthermore, ensure that no moisture penetrates

the nozzle when cleaning as this may damage the delicate

dynamic speakers inside the earphones.

Changing the sleeves

The sleeves can be removed by carefully sliding them off the

earphones. When replacing, check that the sleeves’ rubber

notches are securely fastened in the locking groove.

Cleaning the mesh lter of the sound tube

If the mesh lter on the front of the sound tube shows signs of

clogging, carefully use a needle to clean it.

English

Storing your a-JAYS earphones

Always store your a-JAYS earphones in a dust- and damp-free

environment. When traveling please use the JAYS travel case to

protect your earphones. See the following steps for guidance

on how to correctly place your earphones inside the travel

case. (The travel case only comes with a-JAYS Three version.)

For your safety

Hearing

These earphones are very powerful. Listening at high volumes

for prolonged periods can cause permanent hearing damage.

Always listen at a low to moderate volume and remember

to rest your ears once in a while. If your ears start ringing or

aching, remove the earphones immediately in order to rest your

ears. Occupational Safety Health Administration (OSHA) has

developed below noise exposure graph.

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