Kicker 47KEY500.1 Compact mono subwoofer amplifier with automatic tuning DSP — 500 watts RMS at 1 ohm at Crutchfield
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TXD10001 EZ-AMP plug and play 1000 watts mono subwoofer amplifier - Taco Tunes - Toyota Audio Solutions
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MTX THUNDER1000.1 Mono subwoofer amplifier — 1,000 watts RMS x 1 at 1 ohm
Kicker 46CXA800.1T CX Series mono subwoofer amplifier * 800 watts RMS x 1 at 1 ohm - Breakers Stereo and Performance
lc-1.1500 high-power mono subwoofer amplifier with accubass® - All Star Car Audio