4/3/2 CHANNEL POWER AMPLIFIER KAC-6402 INSTRUCTION MANUAL © B64-3047-00/00 (MV) B64-3047-00_00_M_English.indd 1 04.12.
Safety precautions 2WARNING To prevent injury or fire, take the following precautions: • When extending the ignition, battery, or ground wires, make sure to use automotive-grade wires or other wires with a 5 mm² (AWG 10) or more to prevent wire deterioration and damage to the wire coating. • To prevent a short circuit, never put or leave any metallic objects (such as coins or metal tools) inside the unit.
Installation Self-tapping screw (ø4 × 16 mm) Installation board, etc. (thickness : 15 mm or more) 2CAUTION • Do not install in the below locations; (Unstable location, In a location that interferes with driving, In a location that gets wet, In a dusty location, In a place that gets hot, In a place that gets direct sunlight, In a location that gets hit by hot air) • Do not install the unit under the carpet. Otherwise heat build-up occurs and the unit may be damaged.
Controls / Indicator 5 1 2 3 1 FILTER switch (A.ch/B.ch) This switch allows to apply high-pass or low-pass filtering to the speaker outputs. • HPF (High-Pass Filter) position: The filter outputs the band of higher frequencies than the frequency set with the FILTER FREQUENCY control. • OFF position: The entire bandwidth is output without filtering. • LPF (Low-Pass Filter) position: The filter outputs the band of lower frequencies than the frequency set with the FILTER FREQUENCY control.
English 5
Connection 6 English
■ Installation procedure ■ Wiring Since there are large variety of settings and connections possible according to applications, read the instruction manual well to select the proper setting and connection. 1. Remove the ignition key and disconnect the negative - terminal of the battery to prevent short circuits. 2. Set the unit according to the intended usage. 3. Connect the input and output wires of the units. 4. Connect the speaker wires. 5.
System examples L R L R 10 English
C L L R R L C L L R R English 11
Troubleshooting Guide What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. PROBLEM POSSIBLE CAUSE SOLUTION No sound. • Input (or output) cables are • Connect the input (or output) (No sound from one side.) disconnected. cables. (Blown fuse.) • Protection circuit may be activated. • Check connections by referring to . • Volume is too high.
Specifications Specifications subject to change without notice. Audio Section Max Power Output ...............................................................................................................................................................................................400 W Rated Power Output Normal (4 Ω) (20 Hz – 20 kHz, 0.08 % THD) ...................................................................................................................................
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