Yamaha SC-02 SessionCake Portable Battery-Powered Audio Mixer for Vocal and Instrument Inputs (Blue)
AMERICAN RECORDER 4 Channel, Battery Powered Mini Mixer — AMERICAN RECORDER TECHNOLOGIES, INC.
Muslady SK300 Live Sound Card External Voice Changer Audio Mixer Built in Rechargeable Battery Multiple Sound Effects for Live|Electric Instrument Parts & Accessories| - AliExpress
TX–6 is a portable mixer and multi-channel audio interface - DesignWanted : DesignWanted