The AmpliVox SW505A wireless executive adjustable height sound column lectern is great in Boardrooms, Meeting rooms, and auditoriums for audiences up to 1,500 in rooms up to 15,000 sq. feet. It adjusts from 39" to 45" with pneumatic dial control. It includes a built-in 50 Watt multimedia stereo amplifier with a built-in receiver and 3 mic inputs, a line in for CD, Computer, a line out to record, and extra speaker jacks. The SW505A has an elegant, stylish high-pressure Light Oak laminate finish. It also features 2 built-in Jensen-designed speakers. The lectern has a transmitter and wireless headset mic and professional cardioid dynamic mic with a 15' cord, flexible gooseneck, and shock mount mic holder. The also lectern has 4 casters (2 locks).