Style:6 channel andnbsp;|andnbsp; Configuration:Single Features: 6-channel amplifier system compact desktop audio receiver design built-in Bluetooth for wireless audio streaming FM radio tuner with digital LCD display front panel button control center audio source input mode selector connect and playback audio from external devices headphone jack with independent volume control (2) 1/4'' Microphone input jacks built-in microphone talk-over function (Mic1 only) MP3 Digital Audio File Support USB flash drive and SD Memory Card readers push-type speaker connectors aux (3.5mm) input jack REC + Subwoofer output RCA (L/R) Connectors audio input RCA (L/R) Connectors short circuit and over voltage protection audio Configuration settings: treble, bass, Master volume, echo, mic volume, mic tone convenient audio source control for home or office use