DB Drive WDX15G2R.4 : 15 in. Dual 4-Ohm Subwoofer Motorcycle Source Units the head unit's Black rear-panel

the head unit's Black rear-panel USB-A port (labeled "USB1 2

12" Shallow-Mount Subwoofer - 1500 W Max Power (400 W Nominal)

Power: The Alpine SS-SB10 enclosed subwoofer can handle 300W RMS (600W peak)

or to 3/4 if you have a 4-channel source

DB Drive WDX15G2R.4 : 15 in. Dual 4-Ohm Subwoofer Motorcycle Source Units the head unit's Black rear-panelFeatures 3. 0? Anodized aluminum high temperature voice coil Non Pressed paper cone Double stitched reinforced foam surround Dual poly cotton dampeners Die cast aluminum vented basket Rubber gasket trim ring Large gauge compression terminals Protective magnet cover Specifications Dynamic Power Handling: 2500 Watts Nominal Power Handling: 1250 Watts Impedance: Dual 4? Voice Coil Resonant Frequency (fs): 31. 202 Hz D. C. Voice Coil Resistance (Re): 2 x