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Ne5532 To-10a Stereo Music Audio Signal Pre-amplifier Amp Headphone Amplifier Board Rca 3.5mm Treble Bass Volume Control Tone - Home Theater Amplifiers - AliExpress
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5 Tone control (bass mid treble) circuits using NE5532, 4558, LF353 | Circuit diagram, Audio amplifier, Electronic schematics
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Amazon.com: 160W+160W Amplifier Board with Treble and Bass Control, DC 12-36V, BT and AUX Inputs, 2.0 Channel Stereo AMP Board for DIY Wireless Speakers, Password Free (T160HS) : Electronics
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Pyle HiFi 60W Powered Bluetooth Bookshelf Monitor Speaker Set, Optical RCA in, Bass/Treble Adjustable, Deep Bass, 3 Audio Mode, Studio Computer Desk Stereo System, Remote Control, White - PBKSR40WT - Walmart.com
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Hogans Stereo Bass Treble Board, Model Name/Number: Bt-2.0, 20-0-20vdc Max at Rs 130/piece in Kozhikode
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Stereo Preamplifier Tone Board Audio 3 Channels Bass Treble Control Equalizer Board at Rs 130 in Delhi
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