Home Audio Power Amplifier System - 2X40W Mini Portable Dual Channel Surround Sound Stereo Receiver Box w/ LED - For Amplified Subwoofer Speakers, CD DVD Player, Theater via 3.5mm RCA - Pyle PCA2 2x40 WATT POWER: The Pyle Dual Channel Audio Amplifier is perfect for your home theater acoustic surround sound system. Gives you 2x40 watts peak power which can be used for speakers w/ 4-8 ohms impedance, enjoy high quality music and movies MULTIPLE SOURCES: This small personal portable digital amp box lets you connect external audio sources such as tuner, CD DVD player, tape deck, camcorder, VCR to the RCA (L/R) LINE input and enjoy enhanced amplified acoustic audio reproduction LED INDICATOR: The mini professional integrated stereo receiver features LED indicator light above the power switch to indicate power is turned ON. The unit also offers built-in short circuit and power surge protection for safe usage PUSH TYPE SPEAKER TERMINAL: It lets you easily connect speaker wires directly to the amplifier. The speaker impedance ranges from 4 to 8 Ohms for the general stereo output. The total speaker impedance must be at least 4 Ohm per channel at stereo mode EQ CONTROLS: The improved indoor smart compact bookshelf speaker sound amplifier features crisp and responsive buttons for the power switch. It also features rotary knob controls for the master volume, bass, treble adjustments