Best Car Subwoofers

Alpine Swr-843d 8-Inch 2000 Watt Dual 4 Ohm Type R Subwoofers is a high-quality product and worth the investment. Owner of the Alpine Swr-843d 8-Inch 2000 Watt Dual 4 Ohm Type R Subwoofers are very satisfied with their purchase of the product. Please read our review before you decide to buy this product.

• Sales Rank: #403370 in Car Audio or Theater
  
• Brand: Alpine
• Dimensions: 21.60 pounds
  

Features

• 8" Dual 4 ohm Type R Subwoofer
• Kevlar reinforced pulp cone woofer
• 2-Piece Structural Parabolic diaphragm design
• Injection molded Santoprene rubber surround
• Alpine exclusive High Amplitude Multi-Roll (H.A.M.R) surround for impressive excursion and clean, accurate bass

(2) Brand New Alpine SWR-843D 8" 2000 Watt Dual 4 Ohm Type R Subwoofers
Features:

* 8" Dual 4 ohm Type R Subwoofer
* Kevlar reinforced pulp cone woofer
* 2-Piece Structural Parabolic diaphragm design
* Injection molded Santoprene rubber surround
* Alpine exclusive High Amplitude Multi-Roll (H.A.M.R) surround for impressive excursion and clean, accurate bass
* FEA Optimized progressive NOMEX spider
* Radial vented VC head sink
* Concealed mount gasket system
* Reinforced layer spider integration tinsel leads
* Oversized 2-1/2" Voice coil
* 4-Layer dual voice coil design
* Voice coil made from 180°C high temperature wire on spiral cut aluminum former
* Single-piece cast aluminum frame with Alpine Patent Pending Airflow Management System for efficient cooling
* Airflow Management system controls the temperature of the voice coil by directing the air across the heatsink
* One sided push terminals make installation and wiring fast and simple
* Each terminal accepts up to 8 AWG wire for high power signal transfer
* Concealed gasket mounting system hides the screw holes and makes for a clean install
* Integrated grill technology allows for a seamless installation of a grill
* US Patented Compound Radius Curve (CRC) design with integrated short sleeve configuration
* CRC Machined motor structure creates a symmetrical magnetic field for less distortion and improves power handling
* High-power, double-stacked strontium magnet structure
* Newly redesigned for a 20% depth reduction

Alpine Swr-843d 8-Inch 2000 Watt Dual 4 Ohm Type R Subwoofers

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