TWS (True Wireless Stereo) & Bluetooth: Buttons used to sync two separate HiCAST-M1 subwoofers wirelessly or link a phone, tablet, or laptop via Bluetooth.
LED Status Lights: Signifiers monitoring power status, signal presence, and the system limiter to prevent clipping and overloading
MIC / LINE Switch: A standard input sensitivity toggle to set either low-impedance microphone levels or standard instrument/mixer line inputs.
SAT VOL & SUB VOL: Dedicated dial volume knobs giving independent gain controls over the satellite line-array columns and the bottom subwoofer cabin respectively
DJ: Enhances deep bass rumbles and brilliant high frequencies for recorded music playback.