Digital Trends Pair this kit with a Raspberry Pi for the DIY headphone amp of your dreams Digital Trends The 503HTA Hybrid Tube Amp by Pi 2 Design looks similar to other kit-based tube amps, but this one has a trick up its sleeve: it uses a Raspberry Pi — supplied by the user — for its brain. The kit itself is HAT — hardware-on-top — compliant in size … Raspberry Pi tube amp lets you use $1300 headphones with your $35 computer The Verge Hybrid Tube Amp for Raspberry Pi is an audio fans dream SlashGear Getting started with the Raspberry Pi 3 Gadgette T3  – HardOCP (press release) all 6 news articles »

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Pair this kit with a Raspberry Pi for the DIY headphone amp of your dreams – Digital Trends