For sale is our Mastering Demo unit of. 1 x Focusrite Blue 315 Isomorphic EQ. 1 x Focusrite Blue 330 Compressor & Limiter. Hard to get, very rare items. Lucky to have a pair. People who know what items this are. You can make serious offers. The item “Focusrite Blue 315 Isomorphic EQ & Blue […]... Read More