The OSC-PRA-8000 Professional Audio Public Address System is a powerful 40-watt wireless UHF unit which can convert any venue, large or small, into an amplified hall for audiences up to 10,000 listeners. It comes complete with a 10" speaker and 4" tweeter, plus a handheld wireless microphone which offers freedom of movement of up to 200 feet! Impressive features include a durable casing of multi-density fiberboard (MDF) with rugged carpet exterior, retractable carrying handle, a rechargeable internal 7-8 hour battery, AC/DC power cord and easy-roll casters to enable simple transport and set-up. A built-in CD/DVD player and recordable cassette player lets users employ music and multimedia sound effects during presentations, made simple with a user-friendly remote control. The PRA-8000's amplifier options include input jacks for additional mics or speakers, line-in, line-out, base/treble and volume controls for multiple microphones, USB port and an iPod docking station. An optional tripod (Model OSC-PRA-TRD) is available from OS, sold separately.