1000 WATT POWER: The Pyle 4 Channel Pre Amplifier is perfect for your karaoke and home entertainment sound system. It gives you 1000W 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 headphones, USB, iPod or MP3, FM tuner, AUX, with front loading CD DVD player, 2 microphone inputs with 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 with bluetooth wireless music streaming. Works with today’s latest devices including smartphones, tablets, laptops and computers w/ hassle free receiver pairing