AmpliVox SW915 Portable Wireless Digital Travel Partner Public Address System, Black APLSW915 APL SW915, 250W dynamic output reaches an audience size of 7,500 in rooms up to 25,000 sq. ft. Includes a built-in UHF receiver with lapel mic and wireless transmitter. Full function remote control lets you control all system functions from up to 30-ft away. Features a built-in CD player with pitch control as well as RCA auxiliary inputs and a USB 1.1 port for connecting a computer or laptop. Integrated preamplifer, mixer and amplifier circuitry provide rich, intelligible sound indoors and out. Durable molded, tooled hard plastic case features retractable handles and heavy-duty wheels. Mic Input Types: Neutrik Combo; Number of Mic Inputs: 3; Speaker Type: Two 6.5 NEO Woofers; Dynamic Compression Driver; Number of Speakers: 3., UPC 734680191504