RADIO SHACK 40 Watt PA Power Sound Speaker Amplifier with Equalizer Stereo Audio / Runs on AC and DC Power / Features Built-in AC Outlet to Power other Equipment and Musical Instruments 40W amplifier runs on AC and DC power, so you can address the masses anywhere you like Features 2 1/4" mic inputs plus aux and turntable inputs, each with their own volume controls Built-in AC outlet allows you to power other PA equipment or musical instruments Easy plug-and-play operation makes your setup quick and hassle-free 1/4" headphone output jack for monitoring