- 1300w max power output
- 370w x 1 - rms 4?
- 550w x 1 - rms 2?
- Class d amp technology
- Variable low-pass filter (32-320 hz, 12 db/octave)
Infinity Reference REF-551A Mono Subwoofer Amplifier
(Infinity REF551A)
We Think You Should Know
1300W Max Power Output
370W x 1 - RMS 4Ohm
550W x 1 - RMS 2Ohm
Class D amp technology
Variable low-pass filter (32-320 Hz, 12 dB/octave)
Variable bass boost (0-9 dB at 45 Hz)
Overview
Infinity's Reference 551A mono amp will add some bass muscle to your music without breaking a sweat, and it'll look good doing it. This potent powerhouse will send up to 550 watts RMS to your subwoofer, and its Class D design ensures the amp's high output will put minimal strain on your vehicle's electrical system.