Home Audio Power Amplifier System - 2x75W Dual Channel Theater Power Stereo Receiver Box, Surround Sound w/ USB, RCA, AUX, LED, Remote, 12V Adapter - For Speaker, iPhone - Pyle PCAU35A 2x75 WATT POWER: The Pyle Dual Channel Audio Amplifier gives your entertainment system a boost! Offers low distortion w/ acoustically accurate audio reproduction. Supports speakers w/ 4 ohm impedance allowing you to enjoy high quality audio 4 INPUTS: The professional amp supports various external devices. Connect smart phone, iPhone, computer, MP3, CD player to the 3.5mm AUX or RCA input to enjoy surround acoustic amplified sound w/ the speaker. It also has USB, SD slot LCD DIGITAL DISPLAY: The small personal integrated indoor stereo receiver features a built-in LCD control display which shows all the functions and input used. A 12V adapter and remote control are included in the package for distant audio adjustments PUSH TYPE SPEAKER TERMINAL: It lets you easily connect speaker wires directly to the amplifier. The speaker impedance is 4 Ohms for the general stereo output. The total speaker impedance must be at least 4-Ohm per channel at stereo mode EQ CONTROLS: This multi purpose 2-channel compact home theater digital stereo amplifying box features crisp buttons and rotary knob controls for audio adjustment. It also has a blue LED volume knob which also serves as a power indicator