High Fidelity 90 Watt Class T Mini Stereo Amplifier with Power Supply for Dayton Audio , Dual , Pioneer , Polk , Sony and Much More - Includes Accessory Bag and Microfiber Cloth! Compact size and profile allow for easy integration into any entertainment system; sturdy all-metal construction Supports microphone connectivity; just plug your microphone into the amplifier's input jack State of the art design for reduced signal interference, long operational life, low distortion, acoustically accurate audio reproduction 3.5mm input jack allows you to play music from your Smartphone, Mp3 player, tablet, and more Enjoy a custom audio experience with full control over your audio's bass and treble settings