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Amazon.com: TOA P-912MK2 Modular Single Channel Power Amplifier, 120W Output Power, Master Volume Control, Direct Low-Impedance Output Mode Bypasses Output Transformer, Proven TOA Quality and Reliability : Musical Instruments
Monoprice 300-Watt Rotary Impedance Matching Speaker Volume Control with Color Kit, Connect Multiple Speaker Pairs to a Single Power Amplifier or Receiver, Model Number: 138166 : Electronics
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Amazon.com: Audio Impedance Converter, Car Stereo Adjustable Speaker High To Low RCA Lineo Impedance Converter fit for Car Power Amplifier Subwoofer Signal Input : Electronics
Amazon.com: AD603 Adjustable Gain Wideband Amplifier Module DA Control Programmable 90M AGC Amp Low Distortion : Electronics
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Amazon.com: Car audio Amplifier,Universal 12V 4 Channel Car Amplifier High-Power Hi-Fi audio Stereo Sound Amplifier : Electronics
Amazon.com: RDL RU-ADA4D Audio Distribution Amplifier 1/3 Rack, 10 k937 Balanced or Unbalanced Input Impedance - No Power Supply Included : Electronics
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Amazon.com: 50W×4 Car Four Channel HiFi Power Amplifier Board TDA7850 50W4 DIY : Electronics
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