Amazon.com: Orion Cobalt CBT2000.1D Monoblock 1-Channel Class D Amplifier for Car Subwoofer, 2000W Max, 1-Ohm Stable, Adjustable Low Pass & Subsonic Filter with Bass Boost, MOSFET Power Supply, Bass Knob Included :
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Orion CBT3000.1D Cobalt Series Class D 3000W Max 1 Ohm Compact Car Aud — The Wires Zone
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Orion Cobalt CO800.1 Mono subwoofer amplifier — 400 watts RMS x 1 at 2 ohms at Crutchfield