Teenage Engineering EP-136 Sidekick 2 Channel Stereo MixerK. O.SIDEKICK is a two channel mixer, audio interface and fx processor. Offering three EQ styles, individual compressors on both input channels, six motion control fx and beat matching per channel. The ideal companion for any setup. Running on just 2x AAA batteries or usb c. Use it standalone, in the studio, on stage or link multiple units together to expand channels as needed. Key Features: Two 3. 5 mm stereo inputs 3. 5 mm stereo aux input 3. 5 mm