SW232 Features: -Auxiliary input stereo jack with separate volume and tone controls for a CD player, tape player or LCD computer projector.-Line out jack for a tape recorder.-Three mic inputs (dynamic, condenser with phantom power, wireless) can be used at the same time.-Two speaker jacks can drive 4 to 16 ohm speaker loads.-Standby mode when jack is empty reduces power drain and prolong battery life. Specifications: -Powerful 50 watt multimedia stereo amplifier with built-in receiver and 3 mic inputs.-Two Dual Module 50 Watt Wireless Powered Speakers and transmitter.-Power all 3 components with 10 D-cell alkaline batteries (not included) for up to 200 hours; S1460 International AC Adapter and recharger; or S1465 Rechargeable Nicad Battery Pack (requires S1460). Dimensions: -Overall Dimensions: 17" H x 30" W x 12" D (When packed in case). Warranty: -6 Year Warranty.