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Amazon.com: PRV Audio QS3000 1 Ohm Car Audio Amplifier Full Range HD Sound Monoblock 3K Car Amp with Built-in HPF and LPF Controls for PRO Audio Systems : Electronics
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Amazon.com: PRV Audio QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - Stereo 12 Volts Amp Class D Full Range Bridgeable : Electronics
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