World's Loudest iPod

iBump crossover lets you crank it up without distortion.

From the column DIY: Music

By Tom Anderson, Wendell Anderson

Build the iBump circuit yourself with this schematic. Or to go directly to "Freshman Volume" without passing go...learn about the completed iBump box for sale here.

Media

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20 Hz Test Tone

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1000 Hz Test Tone

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