Alpine R-SB12V Pre-Loaded R-Series 12-inch Subwoofer Enclosures, with Alpine S-A60M 600 Watt Mono Amplifier - This bundle includes a Alpine R-SB12V Pre-Loaded R-Series 12-inch Subwoofer Enclosure, a Alpine S-A60M Mono Digital Subwoofer Amplifier - 600 Watts x 1 @ 2-Ohms & 330 Watts x 1 @ 4-Ohms, and an Alpine coozy.

Alpine R-SB12V Pre-Loaded R-Series 12-inch Subwoofer Enclosure
Unique to Alpine, the subwoofer 10-inch and 12-inch enclosures are available as a single or “linked” format with an optional mounting bracket. This innovative design allows the sound consumer the option to easily add more bass to their system.

The ported enclosure design delivers a higher total sound output for deep, powerful bass, reliable sound reproduction and overall great sound quality. This enclosure is tuned to 35 Hz for optimized sub-bass performance.

Includes R-W12D4 wired in parallel
750W RMS power handling
2Ω Impedance
Ported enclosure design
Frequency response: 24-200 Hz
Vent tuning frequency: 35 Hz
Dimensions 17-inch W x 14.625 H x 15-inch

Alpine S-A60M Mono Digital Subwoofer Amplifier - 600 Watts x 1 @ 2-Ohms & 330 Watts x 1 @ 4-Ohms
Specifications:
Power output 4-Ohm @ 14.4 Volts: 330 W RMS X 1
Power output 2-Ohm @ 14.4 Volts: 600 W RMS X 1
THD 10 W into 4 Ohms: Less Than 0.03%
THD 10 W into 2 Ohms: Less Than 0.05%
THD Rated Power 4 Ohms: Less Than 0.02%
THD Rated Power 2 Ohms: Less Than 1.0%
S/N Ratio: 1 W into 4 Ohms: >85dB
Frequency Response:+0/-3 dB 10Hz - 400Hz
Frequency Response:+0/-1 dB 20Hz - 300Hz
Input Sensitivity: Hi (0.5 - 10V), Low (0.2 - 4