JVC Official Manual for Stereo Amplifiers KS-AX4302 and KS-AX4504

KS-AX4302 (For U.S.A)

2-speaker system plus subwoofer (1 amplifier)

The minimum impedance should be 4 Ω for each of left and right speakers, and the subwoofer.

Subwoofer

*1 Not provided for this unit. *2 Bridge wiring

*3 Use a High-pass crossover (not provided). *4 Use a Low-pass crossover (not provided).

TROUBLESHOOTING

For more details, consult your “JVC IN-CAR ENTERTAINMENT” car audio dealer.

The POWER/PROTECTOR lamp does not light.

•Change the fuses if the current one is blown.

•Connect the ground lead securely to a metal part of the car.

•Turn on the equipment connected to this unit.

•Use a relay if your system employs too many amplifiers.

•Confirm the battery voltage (11 V to 16 V).

The POWER/PROTECTOR lamp lights in red and/or the unit heats up abnormally.

•Use the speakers of suitable impedance.

•Correct the speaker wirings if they are short-circuited.

•Leave the unit turned off for a while to cool it down.

No sound is heard.

•Confirm the connections for power supply (see "POWER SUPPLY" on page 1).

•Connect RCA pin cords to the INPUT jacks, or the speaker input connector to the HIGH INPUT terminal.

Alternator noise is heard.

•Keep the power cords away from the RCA pin cords.

•Keep the RCA pin cords away from other electrical cables in the car.

•Connect the ground lead securely to a metal part of the car.

•Make sure the negative speaker leads do not touch the car chassis.

•Replace the plugs or use plugs with load resistors.

•Connect a bypass capacitor across the accessory switches (horn, fan, etc.).

Noise is made when you connect the unit to an AM (MW/LW) tuner.

• Move the speaker and power cords away from the antenna (aerial) lead.

CONTROLS

KS-AX4504

KS-AX4302

SPECIFICATIONS

Power Output	KS-AX4504:	65 W RMS x 4 channels at 4 Ω and ≤ 1% THD + N
	KS-AX4302:	100 W RMS x 2 channels at 4 Ω and ≤ 1% THD + N
Signal-to-Noise Ratio	80 dBA (reference: 1 W into 4 Ω)

Maximum Power Output	600 W
Load Impedance	4 Ω (2 Ω to 8 Ω allowance)
	4 Ω (4 Ω to 8 Ω allowance) (Bridge Mode)
Frequency Response	5 Hz to 50,000 Hz* (+0, –3 dB)
	* Subsonic filter limits extremely low frequency signals less than
	20 Hz.
Input Sensitivity/Impedance	2 V/45 kΩ (0.3 V to 6 V, variable)
Distortion	Less than 0.04% (at 1 kHz)
Power Requirement	DC 14.4 V (11 V to 16 V allowance)
Grounding system	Negative ground
Dimensions (W×H×D)	300 mm × 63 mm × 265 mm (11-13/16in. × 2-1/2in. × 10-7/16in.)
Mass (approx.)	3.8 kg (8.4 lbs.)
Accessories	Speaker input connector
	KS-AX4504: 8P × 1
	KS-AX4302: 4P × 1
	Mounting Screw (φ 4 × 20 mm (13/16 in.)) × 4
	Hex wrench
	4 mm × 1
	3 mm × 1
	2 mm × 1 (KS-AX4504 only)

Design and specifications are subject to change without notice.

Power lndicator

The blue lamp illuminates while the unit is turned on.

POWER/PROTECTOR lamp

The lamp lights in green while the unit is turned on. When the lamp does not light or lights in red with the unit on, it indicates there may be any trouble (see "TROUBLESHOOTING").

BASS BOOST controller

Turning this boosts the 45 Hz frequency within the range of 0 dB to +12 dB. Adjust the level while listening to the sound. This control is preset to MIN when the unit is shipped.

Input LEVEL controller

The input level can be adjusted with this control when this unit is connected to other source equipment. Adjust the level while listening to the sound. This control is preset to MIN when the unit is shipped.

CROSSOVER filter switch

OFF: Normally, set to this position. The switch is preset to this position when the unit is shipped.

LPF: Set to this position when you want to turn on the LPF (Low-Pass Filter) switch (the Low-Pass Filter transmits frequencies lower than the cutoff frequency).

HPF: Set to this position when you want to turn on the HPF (High-Pass Filter) switch (the High-Pass Filter transmits frequencies higher than the cutoff frequency).

CROSSOVER frequency controller

Turning this adjusts the cutoff frequency within the range of 50 Hz to 400 Hz. Adjust the level while listening to the sound. This control is preset to 50 Hz when the unit is shipped.

Information for Users on Disposal of Old Equipment

This symbol indicates that the product with this symbol should not be disposed as general household waste at its end-of-life. If you wish to dispose of this product, please do so in accordance with applicable national legislation or other rules in your country and municipality. By disposing of this product correctly, you will help to conserve natural resources and will help prevent potential negative effects on the environment and human health.

This symbol is only valid in the European Union.

Dear Customer,

This apparatus is in conformance with the valid European directives and standards regarding electromagnetic compatibility and electrical safety.

European representative of Victor Company of Japan, Limited is: JVC Technology Centre Europe GmbH

Postfach 10 05 52

61145 Friedberg Germany

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