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power supply - Modification of Speaker-System to operate at 12VDC (Logitech Z903) - Electrical Engineering Stack Exchange
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Amazon.com: Pyle 5.1 Channel Amplifier Speaker System - 300W Bluetooth Wireless Surround Sound Home Theater Audio Stereo Power Receiver Box Set w/Built-in Subwoofer, 5 Speakers, Remote, FM Radio, RCA PT589BT.5 : Electronics
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