Sanwa Supply Loudspeaker Speaker with Wireless Microphone MM-SPAMP7

[Frequency characteristics]: 180Hz~15000Hz [Speaker format]: Bass reflex full-range speaker system (magnetic shield design) [Speaker size]: 3 inches (diameter 77.8mm) [Load impedance]: 8Ω [Power supply]: AC power supply (12V/2A), battery powered (uses 6 AA batteries) [External dimensions]: W297 x D133 x H152mm [Weight]: Approx. 3500g [Included items]: Speaker body x 1, wireless microphone x 2, instruction manual x 1, storage bag, AC adapter x 1, instruction manual x 1 Please check the Sanwa Supply website for product support and details.