Rockville SINGMIX 5 2000w Bluetooth DJ/Pro/Karaoke/Home Amplifier Mixer Receiver. SD card playback will play music files stored on a memory card, Precision tuning with metal knobs, Mic mixer: 3 front microphone inputs with volume, tone, and echo control, Additional 2 rear mic inputs, Adjustable bass and treble music control, Adjustable bass, mid, and treble mic controls, Delay and repeat effect controls, Sets of RCA line/REC outputs, Set of RCA mic outputs, Removable 19? Rack mount brackets make this perfect for tabletop use or for rack mount applications. Full function remote gives you easy access to all the important features, Built in pre-amplifier, Built in FM radio with manual tuning, and auto-scan, Built in quiet cooling fan, Bright blue.