(TWO) ALPINE SWS-10D4
Type-S 10" subwoofer with dual 4-ohm voice coils
GENERAL FEATURES:
(2) 10" subwoofers with dual 4-ohm voice coils
Kevlar reinforced pulp cone with HAMRS Santoprene rubber surround
frequency response: 28-200 Hz
power handling: 150-500 watts RMS (250 watts per coil)
peak power: 3000 watts total
sensitivity: 85.5 dB
top-mount depth: 5-9/16"
sealed box volume: 0.54-0.89 cu. ft.
ported box volume: 0.79-1.34 cu. ft.
grille not included
warranty: 1 year
 
Bring on the bass
You can tell that Alpine's bass pedigree runs deep in their latest line of Type-S subwoofers. Using technology found in their higher end subs, this sub will rock your system and add depth to your favorite tracks. You'll love the detail it brings to a bass guitar and the impact you'll feel when a kick drum hits. Throw a couple of these in your ride and prepare to be amazed by unrelenting bass.
 
Advanced materials
The SWS-10D4 can handle up to 500 watts of RMS power, so you can drive it hard and it'll keep up. The tough 10" Kevlar® treated cone stays rigid under pressure, while its rubber HAMRS surround allows for maximum excursion. Its dual 4-ohm voice coils allow for wiring flexibility which helps if you plan on adding another subwoofer down the line. Also, it rocks in both sealed and ported boxes, so you can choose an enclosure that suits your tastes.
 
Note: If you are wiring this DVC sub for lower impedance, make sure that your amp is compatible.