Paradigm X-300 AMP Ultra Class D Subwoofer Amplifier 2 Channel

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James Loudspeaker M1000 1000W Subwoofer Amplifier

Wireless Paradigm PW Amp Stereo Streaming Amplifier w Anthem room correc G2U

Boston Acoustics SA-1 Subwoofer Amplifier

SONOS AMPG1US1BLK Stereo Power Amplifier 250W Black

Hafler TA1100 Stereo Power Amplifier 100 Watts Trans 2 Channel

TRU-S500DSP Mono-Channel subwoofer amplifier with onboard DSP, 500W, 4-8Ω. NIB