Enclosed Subwoofers 101

An enclosed subwoofer is a box with a subwoofer already installed. The advantage to buying an enclosed sub is that the manufacturer made the sub, then designed and built the box as a perfect match, so you'll get the best possible performance. Every enclosed sub has a maximum RMS power handling rating, so pair it with an amp with a similar RMS power rating to get the best performance.

Our take on the Rockford Fosgate R2S-1X10

by John Pollard

Big bass in a tight space
Rockford Fosgate's Prime Series R2S-1X10 shallow sub enclosure lets you have big bass in your vehicle without taking up much space. Coming in at 5-1/4" deep, this box was made with the regular cab truck owner in mind. Rockford Fosgate built each enclosure with 5/8" thick medium-density fiberboard protected by rugged black carpeting so they're tough too.

Powerful woofer
The enclosure comes loaded with one Prime R2SD4 10" sub that handles up to 200 watts RMS, wired for 2-ohm impedance. The sub features a mica-injected polypropylene cone with a poly-foam surround for accurate bass that you can feel. The package includes two mounting brackets and four self-tapping screws.

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Highlights:

sealed truck-style enclosure with one 10" Prime subwoofer
5/8" medium density fiberboard construction covered with heavy-duty carpet
2-ohm total impedance
power handling: 100-200 watts RMS (400 watts peak power)
frequency response: 38-250 Hz
sensitivity: 83 dB
19-1/8"W x 13-1/2"H x 5-1/4"D1 x 3-1/4"D2
warranty: 1 year
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Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and specs chart | What’s in the box? | In-depth notes

Features and Specs

General
Woofer Size (inches) Loading...	10
Woofer Material Loading...	Mica injected poly
Enclosure Type Loading...	Sealed
Color Loading...	Black
Pieces in System Loading...	1
Width (inches) Loading...	19-1/8
Height (inches) Loading...	13-1/2
Depth (inches) Loading...	5-1/4
Second Depth (inches) Loading...	3-1/4
Connector Type Loading...	Spring post
Frequency Response Loading...	38-250 Hz
Power Range (Watts RMS) Loading...	100-200
Maximum Wattage Loading...	400
Sensitivity Loading...	83 dB
Impedance Loading...	2 ohms
Parts Warranty Loading...	1 Year
Labor Warranty Loading...	1 Year

Product Research

What's in the box?

Download owner's manual

Sealed enclosure loaded with one 10" woofer
2 Mounting brackets
Four 3/4" Self tapping screws
Installation and operation instructions

Our Product Research Team

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Features

Enclosure: The Rockford Fosgate Prime R2S-1X10 houses a single R2SD4 10" subwoofer. The sealed enclosure is constructed of 5/8" Medium Density Fiberboard (MDF) and covered with black high density carpet. There is a pair of high current spring posts on the right side (when facing the subwoofer); the terminal will accommodate pin connectors, single or dual banana plugs, or bare wire up to 10 gauge. The subwoofer's dual voice coils are wired in parallel and present a 2-ohm load to your amplifier.

Voice Coil Former: The R2SD4-10's voice coil former is made of anodized aluminum to provide superior heat dissipation. Unlike traditional plastic, aluminum acts as a heat-sink to quickly dissipate thermal build-up on the voice coil. This keeps the subwoofer cool and improves durability.

Stitched Tinsel Leads: The multipoint, periodic stitched technique of attaching the tinsel lead wires to the spider spreads stress and strain over a greater area, reducing fatigue and the possibility of shorting. This significantly improves the reliability and performance of the subwoofer.

Stamped Steel Basket: The R2SD4-10 subwoofer features a stamped steel basket for added rigidity.

CEA-2031 Compliant: The power handling specifications for the R2SD4-10 subwoofer conform to CEA-2031 industry standards. This means the subwoofer has the capacity to handle power under continuous demand, not instantaneous power handling, that over time, can damage voice coils.