If you want to get your message out, you want the Mackie Thump GO. Mackie's 8" 2-way portable battery-powered loudspeaker offers the convenience of Bluetooth connectivity along with wireless control via the Thump GO Connect app.A two-channel mixer with 1/4"/XLR combo inputs, Thump GO is ideal for singer-songwriter busking, public address, parties, and more. You can link to a second Thump GO (sold separately) by Bluetooth for more coverage in larger spaces. And you can keep it going for up to 12 hours with no AC required by using the built-in lithium-ion battery. A 4-stage battery meter relays real-time charge status so you'll never be handed a surprise ending.Sounding good was never so easy. Thump GO has 4 application-specific preset modes that have you up and running in no time so you can worry about the message. There's even a music ducking mode on channel 2 for announcements and interjections. The unique 45-degree monitor angle of the housing allows you to position Thump GO vertically or horizontally as a wedge to fit the situation.They'll hear you loud and clear with Thump GO.Mackie THUMP-GO Features:Ultra-efficient Class-D amplifier8” Custom high-output woofer1" Compression driverRemovable lithium-ion battery (included)Tri-color battery life indicatorUp to 12 hours of battery lifeBluetooth® connectivity for music streamingWireless control via the Thump GO Connect appLink to a second Thump GO via Bluetooth for music playback and control2-channel digital mixer with XLR mix output4 application-specific speaker modesMusic Ducking mode automatically lowers Ch.2 level when Ch.1 receives signalIndoor / Outdoor voicing modesPrecision digital crossover and driver alignmentSmart input and thermal limitersDurable, lightweight molded enclosure45-degree monitor angleBuilt-in pole mountRugged powder coated steel grilleMackie THUMP-GO Specifications:Weight: 17.6 lb / 8 kgDimensions (HxWxD): 18 x 9.1 x 11.2 in / 457 x 230 x 285 mm Mackie Thump GO 8 Portable Battery-Powered Loudspeaker with Bluetooth.