Clarion Mobile Electronics CZ401 - CD/HD/USB Receiver CD/USB/HD Radio/MP3/WMA Receiver.Built-in HD Radio Tuner.3.5mm Audio Auxiliary Input (Front).Bluetooth Interface Ready with Optional BLT370.Front USB Port with iPod Direct Connect Capabilities.Sirius Direct Connect Ready. 50 Watts x 4 Built-in Amplifier6-Channel/4 Volt RCA OutputSubwoofer Volume ControlBuilt-in High and Low-Pass FiltersMagna Bass EX Dynamic Bass EnhancementParametric Equalizer Beat EQ for Sound Adjustment.OEM Steering Wheel Remote Ready.Wireless Remote Control Included.CD/USB/MP3/WMA Receiver. Single-DIN HD Radio, AM/FM Radio, CD, CD-R/RW, WMA/MP3, USB, iPod Receiver 50W x 4 MOSFET internal amplifier with six channels of 4V preamp outputs Front-panel USB port with direct iPod control, WMA/MP3 playback; 3.5mm auxiliary input Embedded HD Radio tuner with iTunes tagging, multicasting, PSD One-year manufacturer's warranty