Amplivox SW227 ( APLSW227 ): Portable Wireless Powered Speaker Voice Projector Kit Use inside or outdoors to reach audiences of up to 1,500 people in rooms of up to 15,000 sq. ft. or within a 500-ft. range. The carpeted cabinet holds a built-in 50W multimedia stereo amplifier with receiver, along with two 6 x 8 Jensen design speakers. Features include three mic inputs, two speaker jacks, line out jack for tape recorder and auxiliary input jack. Record your presentation as it is amplified; separate volume control for CD and computer projector. Ten D-Cell alkaline batteries (not included) provide up to 200 hours of talk time, or use with AC adapter/battery charger APL-S1460 (sold separately). Includes lapel mic, headset mic, 900mg transmitter, built-in tripod mount and pocket handle, audio cables for laptop and projector, two tripods, and carrying case with wheels. Black. 18w x 32d x 13h. Shpg. wt. 45 lbs