Sherwood RX4503 2.1-Channel Stereo Receiver with Virtual Surround Sound: * 100W RMS per channel with 0.1 percent THD * Frequency response: 20Hz - 20kHz * Totally discrete amplifiers for all channels * Dolby virtual speaker, Dolby headphone * Subwoofer preout * Bluetooth audio receiver input * 5.1-channel direct inputs * Tone direct * 4-gang FM front end * 5 audio input including tuner * Digital encoder volume control * Headphone jack * AM/FM with 30 presets * Includes 43-key remote control * Dimensions: 5" x 17.38" x 13"