Product info: mono subwoofer amplifier 350 watts RMS x 1 at 4 ohms 600 watts RMS x 1 at 2 ohms Class D amp technology variable low-pass filter (32-320 Hz, 12 dB/octave) variable bass boost (0-12 dB at 45 Hz) phase switch (0, 180 degrees) wired remote bass control module included More Info: preamp and speaker-level inputs bare wire to RCA adapters included for high-level input wiring and hardware not included with amplifier 8-gauge power and ground leads recommended fuse rating: 30A x 2 Infinity's Reference 6001A mono subwoofer amplifier will add some bass muscle to your music without breaking a sweat, and it'll look good doing it. This powerhouse delivers 600-Watts RMS to your subwoofer, and its Class D design ensures the amp's high output will put minimal strain your vehicle's electrical system. Speaker-level inputs allow this amplifier to work in almost any system, even if you're hanging on to your factory radio. You can use the low-pass filter and variable bass boost to maximize the performance of your subwoofer and enclosure, while a phase switch ensures that the bass will blend well with your full-range speakers. Specifications Specification Details Power Output 350W RMS × 1 (4 ohms), 600W RMS × 1 (2 ohms) Max Power 1200W MAX Amplifier Class Class D Low-Pass Filter Variable (32–320 Hz, 12 dB/octave) Bass Boost 0–12 dB at 45 Hz Phase Switch 0° / 180° Inputs Preamp and speaker-level inputs Fuse Rating 30A × 2 Recommended Wiring (Option 1) 8-gauge power and ground (not included) Dimensions (Option 1) 220 × 55.5 × 180 mm (8-11/16" × 2-3/16" × 7-1/8") Recommended Wiring (Option 2) 4-gauge power and ground (not included) Dimensions (Option 2) 360 × 55.5 × 180 mm (14-3/16" × 2-3/16" × 7-1/8")