Features of Kenwood KAC9104 / KAC-9104D:

• Mono subwoofer amplifier
• 500 watts RMS x 1 at 4 ohms (900 watts x 1 at 2 ohms)
• 1-ohm stable (no power ratings available)
• CEA-2006 compliant
• Variable low-pass filter (50-200 Hz at 24 dB per octave)
• Bass boost (0-18 dB at 40 Hz )
• Subsonic filter (15/25 Hz, 18 dB/octave )
• Class D design
• Speaker-level inputs with signal sensing turn-on
• Preamp-level inputs and outputs
• Fuse rating: 30A x 2
• 4-gauge power and ground leads recommended — wiring and hardware not included with amplifier
• Dimensions: (WHD) 13-13/16 x 2-5/16 x 9-3/8 In.
• Warranty: 1 year