Singtronic BT-800DSP is a powerful Pre-Amplifier with 800W Carry On Bluetooth Karaoke Speaker with Superior sound quality and Super light weigh; Thanks to its rechargeable battery and 12V DC input, you can bring the party everywhere. Built in 2 x UHF Professional Anti-feedback Wireless Microphone Karaoke and extra Microphone or Guitar Input and take the stage or stream your playlist on Youtube or any karaoke apps via Bluetooth or from USB stick. Connect two BT-800DSP speaker wireless with TWS feature or wired from one 3.5mm Aux output to another 3.5mm Aux input. Let's get the party started. Also equiped with MP3s playback. Just insert any USB Flash Drive and enjoy music; Singtronic professional DSP sound effect and Anti-Howling microphone effect.