Gemini Sound Gd-115Bt 1000 Watt 15 Inch Woofer Linkable Bluetooth 2-Way Pa Speaker With Onboard 3 Channel MixerActive PA speaker with an integrated 3-channel mixer The gD-115BT features BluetoothA playback, dual XLR, 14A mic line, RcA, and AUX inputs Each channel has independent level controls and clip LED Master level with bass and treble controls..