Alpine Type-R SWR-12D4 (Open Box)

General Features:

• 12" Fifth-Generation Type-R Series Car Subwoofer
• Power Handling:
• Peak: 3000 watts
• RMS: 250-1000 watts
RMS Notification: The objective rated wattage for the SWR-12D4 Subwoofer is 750W RMS. Alpine historically labeled this subwoofer as "up to" 1000W RMS so it would line up versus other brands that at times unscrupulously overrated their subwoofers. The new R-W12D4 from Alpine (which we can upgrade you to for a limited time) is built on an improved platform, with a more efficient design and will outperform the SWR-12D4 across the board. Enjoy!
• Recommend power range: 250 - 750 watts RMS
• Impedance: Dual 4 ohm
• Kevlar treated pulp cone
• Reinforced parabolic cone structure with Poly-Mica dust cap
• Durable High Amplitude Multi-Roll santoprene surround
• Progressive Conex spider with reinforced layer tinsel lead
• Concealed mount gasket
• Cast aluminum frame with integral shorting sleeve
• Radial vented heat sink
• Compound Radius Curve pole geometry
• Oversized 2.6", High-Temperature, 4-Layer Dual Voice Coil
• Spiral cut, black anodized aluminum former
• Airflow Optimized dual flare pole vent
• High-grade strontium ferrite segmented magnet assembly
• Integrated 8 AWG push terminals with VC jumpers
• Top-mount depth: 6-3/8"
• Cutout diameter: 10-7/8"
• Frequency response: 24 - 200 Hz
• Xmax: 20mm
• Sensitivity: 84.9dB
• Magnet weight: 127oz
• Protective 2-Piece Grille Available, sold separately: Alpine KTE-12G
• Recommended sealed enclosure: 0.55 - 1.00 ft³
• Recommended ported enclosure: 1.00 - 1.50 ft³
• Authorized Internet Dealer
• 1-year Manufacturer's Warranty

Priced Individually