The battery-powered Mackie Thump GO portable speaker provides full and balanced projection in a lighter package for easier use on the go. The 8-inch high-performance subwoofer with 1-inch compression driver delivers powerful sound with incredible dynamic range and delivers full bass sound with fixed treble. Thump GO is powered by a replaceable lithium-ion battery lasting up to 12 hours; the three-color battery life indicator ensures that you can reliably let the music play all day long. With Bluetooth, you can stream music from any device, connect another Thump GO, and control everything with Thump GO Connect. Intelligent options for the Thump GO dual-channel digital mixer with XLR outputs, including "Music Ducking" mode to automatically lower channel 2 when channel 1 receives a signal. With four application-specific speaker modes and voice modes for indoor / outdoor use, as well as a built-in pole holder, you can also take your Thump GO outside. Lightly place it on the ground at a 45-degree angle as a buckle, while you can be sure that a durable molded cover and a robust powder-coated steel grille will protect it. Whether you want to stream music or set up a PA, Thump GO is your lightweight and portable speaker solution for any larger indoor or outdoor space.