Product Description

Package includes one Alpine R-W12D4 12” subwoofer, R-A75M amplifier, and 2.25 ft³ optimized ported enclosure

Alpine R-W12D4 12" Type R-Series 750W RMS Dual 4-ohm Subwoofer

• R-Series 12" Subwoofer with Dual 4-Ohm Voice Coils
• Power Rating:
  • Peak: 2250 Watts
  • RMS: 750 Watts
• Frequency Response: 24 Hz - 200 Hz
• Sensitivity: 84.7 dB at 1 Watts
• Cutout Diameter: 10-7/8"
• Kevlar Reinforced Pulp Cone HAMR Santoprene Rubber Surround
• Grille Not Included
• 1-Year Warranty

Alpine R-A75M Type R-Series 750W RMS Mono Power Subwoofer Amplifier

• Mono subwoofer amplifier
• Power Output:
  • 500 watts RMS x 1 at 4 ohms
  • 750 watts RMS x 1 at 2 ohms
• CTA-2006 compliant
• Variable low-pass filter (50-400 Hz, 24 dB/octave)
• Variable bass boost (0-12 dB at 50 Hz)
• Variable subsonic filter (min-40 Hz, 24 dB/octave)
• Preamp and speaker-level inputs
• Speaker wire to RCA adapter required for speaker-level input
• Preamp outputs
• Wiring and hardware not included with amplifier
• 4-gauge power and ground leads
• Fuse rating: 40A x 2
• Dimensions: 9"W x 2-1/16"H x 7-1/8"D
• 1-Year Warranty

LAB SlapBox™ 2.25 ft^3 Ported MDF Enclosure for Single Alpine 12" Type-R Subwoofer

• Alpine® Type-R 12-inch vented woofer enclosure
• Designed and optimized for a single 12" Alpine® Type-R sub (R-W12D2 / R-W12D4 / SWR-12D2 / SWR-12D4 / SWR-1223D / SWR-1243D)
• 2.25 cu. ft. tuned @ 33Hz
• Constructed of 0.75" CNC-cut high-grade MDF
• High-grade automotive carpet
• Heavy-duty speaker terminal
• Made in California, U.S.A.
  
  
• Enclosure volume: 2.25 ft^3 (net internal)
• Peak tuning frequency: 33Hz
• Port size: 13.50" x 2.25"
• Sub cutout diameter: 10.88" (10-7/8")
• Dimensions: 30"W x 15"H x 15"D
  
  

sku: 6444
upc: 649862801716