gsp audio's fully featured kits let you know what's under the hood while giving you the sound quality we're famous for.
Two of Graham Slee's designs are available as kits for the DIY enthusiast.
Our two do-it-yourself kits allow you to build versions of our Novo headphone amplifier and Communicator phono stage. Not only do you save a bit of money, you have the satisfaction you built it yourself.
Also available, for Solo headphone amp users, is a fit-it-yourself upgrade board to lift the performance of your Solo to the latest flagship Ultra Linear Diamond Edition specification.