Alpine KTX-H10 Motorcycle Audio Accessories Power Handling: The S2-SB12 can

Power Handling: The S2-SB12 can handle up to 600W RMS (1800W peak)

Enclosed Subwoofer System with Single 13TW5v2-2 Subwoofer

compatible with SiriusXM's aftermarket satellite radio tuner (sold separately

@ 4 ohms 60 W RMS x 6 @ 2 ohms 90 W RMS x 6 Bridged @ 4ohms 180 W RMS x 3

Alpine KTX-H10 Motorcycle Audio Accessories Power Handling: The S2-SB12 canAbout the Alpine KTX H10 Linking Kit When it comes to bass, two is always better than one. Alpine's KTX H10 Linking Kit allows you to join together two Alpine S SB10V or R SP10V 10 inch subwoofer enclosures to double your bass. The kit includes heavy duty steel front and rear linking brackets to securely connect the enclosures as well as all the hardware you'll need. The front bracket's silver finish is made to coordinate with the enclosures' design,