SOUND TOWN SWM15-MAX - VERSATILE COMPATBILITY: The Sound Town SWM15-MAX features HD (TV Arc), Bluetooth, Optical (Toslink), and 3.5mm AUX inputs & outputs, ensuring it works with smart TVs, home receivers, and sound bars. It also has 1/4' mono jacks for dynamic mics and instruments such as electric guitars HD AUDIO RETURN CHANNEL: To use the HD Audio Return Channel, activate your TV's CEC and set the audio format to PCM. This function extracts audio from your smart TV to the mixer, blending music and vocals for output to sound bars or amplifiers (HDMI cable required) ENHANCED EFFECT CONTROL: The mixer offers an EFFECT MODE for selecting effects and an EFFECT LEVEL for adjustments. It supports vocal (REVERB & ECHO) and instrument (TUNE & GUITAR) inputs, plus a 'vocal cut' mode for karaoke