WIRELESS MICROPHONE: The Pyle Dual Channel Stereo Amplifier is perfect for your karaoke and home theater acoustic sound system. Gives you 200W power and accommodates 2 sets of speakers for high quality amplified audio. Includes a UHF wireless microphone.Impedance: 1 ohm.Power source type:Corded Electric.Speaker size:5 inches 9 INPUTS: This personal digital amp box supports various external sources - 2 RCA audio input for tuner, CD player, tape deck, 1 RCA video input for camcorder or VCR, 2 1/4" microphone IN, USB, SD, 3. 5mm AUX IN jack, and FM radio antenna BLUETOOTH CONNECTIVITY: The sound amplifying mixer device is equipped w/ Bluetooth wireless music streaming. Works w/ today’s latest devices including smart phones, tablets, iPhone and computer w/ hassle-free receiver pairing EQ CONTROLS: The improved professional compact bookshelf sound amplifier features crisp, responsive buttons for mode controls. Rotary knob controls for mic echo / volume, balance, bass, treble, master volume, input source and the unique folder/track DISPLAY METER: The compact and integrated indoor AV receiver has a built-in digital blue LCD screen showing track and folder name. FM antenna and remote control are also included in the package for distant audio adjustments