HI-RES AUDIO CERTIFIED Go beyond CD audio quality LISTED INPUTS RCA, AUX, USB, OPT, COA, and Bluetooth TITANIUM-LAMINATE TWEETER High quality tweeter produces crisp clear highs METAL DIAPHRAGM BASS UNIT Big booming lows with this metal diaphragm 2-YEAR WARRANTY Purchase with confidence with our 2-year warranty for both USA and Canada