Type: Amps Features: Built-in, 12v/2.7amp Hour Rechargeable Gel-Cell Battery, with Up to 8 Hours of Play Life (Battery Recharges Completely in 4 Hours) One Professional, Dynamic Cardiod Microphone 3' Coiled Mic Cable 1/4" Input Jack Molded Carrying Handle 1/8" Auxiliary Input Jack for Connecting CD, Cassette or Other Audio Line Output Shoulder Strap Mic Stand Adapter Specifications: 27 Watts. One 5", Full Range, 4 ohm Speaker. Additional 1/8" "Line In" for Plugging in Multi-media Sound Sources. Intelligent Charger 90-260v AC Input, 18vDC+2.5amp Output (Inner Contact is Positive). Battery is 12v/2.7amp Hour Rechargeable Gel-Cell. Height: 7" Width: 6.3" Depth: 11.2" Weight: 6.5 lbs.