Alpine R2-SB12V Motorcycle Audio KTA-30F-WRA Amplifier: The KTA-30F-WRA is

KTA-30F-WRA Amplifier: The KTA-30F-WRA is a 4 channel amplifier providing 50 watts per channel into a 4Ω load

Designed for the ultimate performance

7” Color TFT Speaker Impedance 2-Ohms Fuse Rating 15 A Speaker Outputs Yes Multi-Zone/Multi-Source Yes Apple®/Android™ Compatible Yes AUX Input Yes USB Charging Yes Clock No FM Tuner Frequency Range 87

differential-balanced inputs help eliminate noise

Enclosure: Alpine recommends mounting the RS-W12D2 sub in a sealed box with a volume (gross) of 0

Alpine R2-SB12V Motorcycle Audio KTA-30F-WRA Amplifier: The KTA-30F-WRA isAbout the Alpine R2 SB12V Twice the bass Alpine's Halo Series subwoofer enclosures make it simple to add bass (and more bass) to your system. You'll get great bass response from a single box, and when you're ready to expand your system you can add a second enclosure and the optional linking kit to create a two speaker system with double the impact. Laying it down The R2 SB12V comes loaded with Alpine's updated R2 W12D4 subwoofer wired for 2 ohm