Power Home HiFi Stereo Amplifier - 90 Watt Portable Dual Channel Surround Sound Audio Receiver w/ 12V Adapter - For Subwoofer Speaker, MP3, iPad, iPhone, Car, Marine Boat, PA System - Pyle PFA300 90 WATT POWER: The Pyle Dual Channel HiFi Audio Amplifier gives your entertainment or PA system a boost! Offers low distortion & acoustically accurate audio reproduction. Supports speakers w/ 2-8 ohm impedance allows you to enjoy high-quality audio CUSTOMIZABLE SOUND: It features tone & direct switch which allows adjustment of how much bass & treble get through to be amplified. By switching to direct the filters are removed from circuit & the signal coming in is amplified w/o any filtering SUPPORTS MULTIPLE DEVICES:The professional class-T amp support various external devices. Connect android phone, iPhone, iPod & MP3 to the 3.5mm jack input & enjoy surround acoustic audio w/ the speaker. It also has microphone & AUX input for karaoke EQ CONTROLS: This multi-purpose portable 2-channel compact home digital stereo receiver box features crisp buttons & rotary knob controls for audio adjustment. It also features a blue LED illuminated volume knob which also serves as a power indicator Please refer the user manual below for better use