Raspberry Pi valve amp add-on goes on sale for $159 – Electronics Weekly (blog)

Electronics Weekly (blog) Raspberry Pi valve amp add-on goes on sale for $159 Electronics Weekly (blog) The 503HTA, designed and manufactured by Pi2Media, is an I/O shield for Raspberry Pi designed to provide “valve sound” audio for the single board computer. This HAT allows the Raspberry Pi to drive headphones from 32 – 300ohm. The on-board ..