SINGLE-DIN CD/USB/MP3/WMA/AAC RECEIVER. 45W X 4 BUILT-IN AMP. LINKS TO PANDORA INTERNET RADIO. FRONT USB PORT WITH IPOD DIRECT CONNECT CAPABILITIES. SUBWOOFER VOLUME CONTROL. BUILT-IN LOW-PASS FILTER. 3-BAND PARAMETRIC EQUALIZER. OEM STEERING WHEEL REMOTE READY. 3.5MM FRONT AUDIO AUX INPUT. 4-CHANNEL/2V RCA OUTPUT (FRONT + REAR/SUBWOOFER).