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Crystal CMoy Freeform Headphone Amp « Adafruit Industries – Makers, hackers, artists, designers and engineers!
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Electric Bass / Guitar headphone amp with stereo auxiliary input schematic diagram. | Headphone amp, Headphone, Electronic circuit projects
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3rd Avenue 10W Guitar Amplifier with Headphone Output, Overdrive Switch, Tone Control – Portable Compact Practice Amp – Black : Amazon.co.uk: Musical Instruments & DJ
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