Alpine 12" X-Series subwoofer (4 ohm + 4 ohm)

12′′ (30 cm) X-Series Subwoofer (4Ω + 4Ω) - X-W12D4
Alpine introduces the all-new X-Series of high-grade speakers, subwoofers and amplifiers. These products have been engineered and tuned to create a perfect match for extraordinarily dynamic, realistic sound reproduction and a spatial sound impression. With Alpine X-Series subwoofers, you get the top of Alpine’s subwoofer technology for massive and accurate bass output. These flagship subs have been engineered and tuned with highest precision and use highest grade materials.

Peak Power: 2700 Watts
RMS Power: 900 Watts
Frequency Response: 23 Hz - 200 Hz

Diaphram

• Material: Kevlar Rohacell® Layered Composite
• Design: 1-Piece Parabolic with Vented Force Transfer Assembly

Surround

• Material: Injection Molded Santoprene®
• Design: High Amplitude Multi-Roll (HAMR Surround)

Spider

• Material: Nomex®
• Design: Dual Progressive with Integrated Tinsel Leads

Voice Coil

• Material: Aluminum Former
• Design: 2.6" (65.5mm) Voice Coil

Motor Structure

• Pole Geometry: Airflow Optimized Dual Flare Pole Vent
• Configuration: Triple-Stacked High Power Strontium Ferrite Magnets

Frame

• Material: Cast Aluminum

Terminals

• Layout: One Side
• Design: 8mm² Insert Terminals with Series/Parallel Jumper Plug

Tinsel Leads

• Design: Reinforced Layer Spider Integration

Gasket

• Design: Grille/Trim Ring Twist-Lock System

Power Handling

Power Range: 650W-900W
RMS Power Handling: 900W
Peak Power Handling: 2700W
Dimensions

Mounting Depth: 7-1/4′′ (184mm)
Mounting Diameter: 11-1/16′′ (281mm)
Displacement: 0.122 cu. ft. (3.5 l - Front Mount)
Added Volume: 0.035 cu. ft. (1 l - Reverse Mount, Magnet Out)