Offering three EQ styles, individual compressors on both input channels, six motion-control fx and beat matching per channel, the teenage engineering EP-136 K.O. SIDEKICK is a two-channel mixer, audio interface and fx processor that's the ideal companion for any setup. The unit runs on just 2 x AAA batteries or USB-C. You can use it standalone, in the studio, or onstage. Multiple units can be linked to expand the channel count as needed.