This product is a vintage Polk model and is not available for sale but may still be available in some stores as a close out or used products. The following text is taken from the original sales brochure for this product and does not reflect current availability. If you happen to have any question or concerns on this product or any other Polk Audio product feel free to contact our Customer Service Department at 1-800-377-7655 Monday - Friday, 9am - 5:30pm EST


C400.4 (4/3/2 Channels)

4/3/2 Channel Power Amplifier
Championship Performance

100 watts x 4

C400.4
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MSRP:
449.95 each (US)¹




Overview Specifications Customer Reviews
Power
Channels 4/3/2 (bridgeable)
Total Dynamic Power (all ch. driven) 975 watts
14.4 Volts RMS Not Bridged @ 1kHz
4 Ohms 75 watts x 4
2 Ohms 100 watts x 4
14.4 Volts RMS Bridged
4 Ohms 200 watts x 2

Electrical
Signal-to-noise (Referenced to rated power) > 105 dBA
Remote Gain 0 to -30dB
Input Impedance > 10k Ohms
Output Impedance < 0.02 Ohms
Overall Frequency Response (-3 dB Points) < 10Hz to 45kHz
Protection circuitry Power and ground reversal, Thermal and Short, Current Overdraw and Low Impedance Protection with auto stand-by mode

Dimensions
Overall Dimensions (with panels) 2-1/2" H x 16" W x 9-3/4" D
(6.35cm H x 40.64cm W x 24.77cm D)
Overall Dimensions (without panels) 2-1/2" H x 15-1/2" W x 9-3/4" D
(6.35cm H x 39.37cm W x 24.77cm D)
Product Weight 13.50 lbs.
Total Shipping Weight 15.00 lbs.

Filter Settings  
Subsonic Filter 24dB/Octave @ 15Hz
High Pass Filter frequency adjustable 50Hz - 5kHz
High Pass Filter slope 12db/oct. or 24dB/oct.
Low Pass Filter frequency adjustable 50Hz - 5kHz
Low Pass Filter slope 12db/oct. or 24dB/oct.
Customer Rating:

4.93 (from 15 users)
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Expert Reviews:

"[The C400.4] exceeds its power ratings in all categories by a significant margin...this amp is a hit."
Performance Auto & Sound, Feb. 2005

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