KAC-8404
4/3/2 Channel Power Amplifier

The KAC-8404 4-channel amplifier is 44% smaller than our previous year model and still cranks out 600 Watts of pure power. This tiny but mighty amp will fit in tight places and is ideal for bumping up the performance of front and rear speakers.

General Features
600 Watts of Power with 44% Smaller Chassis Size
CEA Rated: 50W (1.0% THD+N) (4Ohm/4Ch)
CEA Rated: 75W (1.0% THD+N) (2Ohm/4Ch)
High Quality Speaker Level Input and Blue Illumination
High-pass (12 dB per octave) and low-pass (24 dB per octave) filters variable from 50 to 200Hz
Variable Bass Boost control (0-18 dB at 40 Hz)
Cooling fan
MOSFET power supply
Speaker-level inputs with signal sensing turn-on
Fuse rating: 40A x 1
11-1/16"W x 2-5/16"H x 9-7/8"D

Specifications
Amplifier Type Class-AB
Band Reject Filter -
Band Reject Filter Frequency -
Bass Boost Circuit / +18 dB
Bass Boost Frequency40Hz
Channel Design 4-Channel
Cooling System Silent Fans
Current Consumption40A
Delay Control -
Frequency BAND 1 (Front, Rear) -
Frequency BAND 2 (Front, Rear) -
Frequency BAND 3 (Front, Rear) -
Frequency BAND 4 (Front, Rear) -
Frequency BAND 5 (Front, Rear) -
Frequency Response5K - 50Hz
Gain (Boost or Cut) -
High-Pass Filter Frequency (-24 / -12 dB/oct.)Low Range50-200Hz (Variable)
High Range50-200Hz (Variable)
Infrasonic FilterHz, Hz, -12dB/oct
Input Impedance10 Ohm
Inputs2 x RCA & High-Level
Installation Size (W x H x D)11" x 2-5/16" x 9-3/8"
280 mm x 59 mm x 238 mm
Installer Memory¨
LED Information DisplayVoltage, Current, Temperature
Low-Pass Filter Frequency (-24 / -12 dB/oct.)Low Range50-200Hz (Variable)
High Range50-200Hz (Variable)
Maximum Output Power Watts
Operating Voltage600V DC
Output1-channel RCA
Power Supply Single Power Supply
Power Wire Gauge 4-Gauge
Protection CircuitYes
Quality Factor BAND 1 - BAND 3 -
Quality Factor BAND 4 - BAND 5 -
Rated Output PowerRated Power Output(12.0V)
4Ω -W x -
2Ω -W x -
Bridged4Ω -W x -
1Ω -W x -

Rated Power Output(14.0V)
4Ω 50W x 4
2Ω 75W x 4
Bridged 4Ω 180W x 2
1Ω -W x -
Remote Bass Control -
RMS Watts Per Channel @ 4 Ohms, 1% THD+N50W x 4
Signal-to-Noise Ratio100dB
80dBA (Ref: 1 Watt into 4Ohm)
Speaker Wire Gauge 12-Gauge
Terminal LayoutOne-Sided
WARRANTY1 - Year Parts & Labor
Weight6.2 lbs (2.8 kg)