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2. Non-iPod Hardware > 27. Buy or Build a Headphone Amplifier

Buy or Build a Headphone Amplifier

If the tunes from your iPod seem to lack punch or drama, the solution might be to add a headphone amplifier. You can buy one or build your own.

A question often raised in audio forums is whether the iPod benefits from boosting its output with an external headphone amplifier. When Apple redesigned the iPod back in 2002, among the upgrades was a new 30-mW-per-channel headphone amplifier circuit that is still the standard today. 30 mW is a hefty figure compared to that of other energy-conscious portable audio players (a paltry 5–10 mW per channel), and many iPod owners have appreciated the extra power for driving their favorite power-hungry headphones.

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