Home Audio Power Amplifier System - 2X40W Mini Dual Channel Mixer Sound Stereo Receiver Box w/ AUX, Mic Input - For Amplified Speakers, PA, CD Player, Theater via RCA, Studio Use - Pyle PTA2 2X40 WATT POWER: The Pyle Dual Channel Stereo Amplifier is perfect for your PA and home theater acoustic sound system. Gives you 2x40 watts power which can be used for multi speakers w/ 4 ohm impedance, enjoy high quality amplified audio 4 INPUTS: This personal digital amp box supports various external sources - 3 pairs RCA audio input for tuner, CD player, tape deck, camcorder or VCR, 1/4" microphone IN, 1/4" headphone jack input. Also features a REC output for recording PAGER/MIXING MODE: The mini integrated indoor AV receiver features pager and mixing switch. In pager mode, the signal from the microphone will override to auto talkover, use for hosting and meetings. Switch to mixing mode for a fun karaoke session PUSH TYPE SPEAKER TERMINAL: The sound amplifying mixer device lets you easily connect speaker wires directly to the amplifier. The total speaker impedance must be at least 4 Ohm per channel at stereo mode EQ CONTROLS: The improved professional compact bookshelf sound amplifier features crisp and responsive button for power switch and rotary knob controls for mic volume, balance, bass / treble, master volume, and input source