Kinter MA-100 Multi-Sources mall and powerful Audio Amplifier with Tuner and Remote Incredible options for audio playback (see below) AUX in (Stereo RCAs), FM Tuner, SD Card Slot and USB 2 Channel Audio Amplifier with 20W output (4 Ohm) Digital-style display (screen for radio tuner, SD track details) Bass, treble and volume controls allow sound tailoring