3000 WATT POWER: The 4 Channel Pre-Amplifier is perfect for your karaoke and home entertainment sound system. It gives you 3000W peak power to be used for multi speakers with 2-8 ohms impedance allowing you to enjoy high-quality audio. 7 INPUTS: The personal digital amp box supports headphone, USB, iPod or MP3, FM tuner, AUX, with front loading CD DVD player, 2 microphone inputs w/ an echo effect for karaoke, 1 RCA preamp output and 2 mono RCA dedicated for subwoofer. BLUETOOTH-COMPATIBLE: The professional integrated indoor house stereo receiver is equipped w/ Bluetooth wireless music streaming. Works w/ today's latest devices including smartphones, tablets, laptops, and computers with hassle-free receiver pairing.EQ CONTROLS: The speaker sound amplifying device has crisp buttons for the audio sources and selectors, rotary knob for equalization and master volume adjustments. It also features blue LED illuminated buttons and knobs for high visibility. DISPLAY METER: The compact and rack mount amplifier has a built-in digital fluorescent display meter which displays all the functions and input used. Remote control is also included in the package for distant audio adjustments.