Marantz Professional Voice Rover | 10" Portable AC/Battery-Powered PA System with Bluetooth and UHF Wireless Mic Bluetooth-enabled, battery-powered PA system lasts up to 12 hours between charges Two-way active speaker (10-inch low-frequency driver, 1-inch high-frequency driver) Mic 1&2 combo inputs with Mic/Line-level switch, plus included 16-channel UHF wireless microphone Pole-mount socket, telescoping handle, and transport wheels built in Two-band EQ and reverb effect