Garage
Shop

See all parts that fit your 2016 Flex

Alpine SWR-823D

350W 8" Type-R Dual 2 ohm Subwoofer

Alpine
Shop all Alpine
Product videos
highlight-star-icon

• 1000W Peak
• 150-350W RMS
• Kevlar Reinforced Pulp Cone Woofer
• Santoprene Rubber Surround
• Progressive NOMEX Spider
• 4-Layer Dual Voice Coil

Learn more about the swr823d

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

swr8d2 thumbnail

Alpine Type-R SWR-8D2

OUR PRICE: $169.95

View item

Loading...
VSPTW main

NVX VSPTW

450W Peak (150W RMS) 1" V-Series Silk Dome Tweeters with External Crossovers

29
-31.25%

$54.99

List price $79.99

H7683 main

Cerwin Vega H7683

720W Peak (120W RMS) 6x8" HED Series 3-Way Coaxial 4-ohm Speakers

50
-16.67%

$79.99

List price $95.99

Limited time!

JVC CS-J6820

500W Peak (60W RMS) 6x8” J-Series 2-way 3-ohm Coaxial Car Speakers

3
-36.72%

$49.99

List price $79.00

Product Highlights


• 1000W Peak
• 150-350W RMS
• Kevlar Reinforced Pulp Cone Woofer
• Santoprene Rubber Surround
• Progressive NOMEX Spider
• 4-Layer Dual Voice Coil

Description


Alpine brand icon

Authorized dealer

Product Features:

  • 8" Dual 2 ohm Type R Subwoofer
  • Power Handling:
    • Peak: 1000 watts
    • RMS: 150-350 watts
  • 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
  • Frequency response: 28-400 Hz
  • Sensitivity: 83.5 dB
  • 1-year Sonic Electronix warranty

Alpine products are warranted solely by Sonic Electronix, Inc. under the same period and terms as the original Alpine warranty. Sonic Electronix is not an Authorized Alpine Dealer and Alpine requires all merchandise purchased by Sonic Electronix customers to be returned solely to Sonic Electronix. Alpine products are also covered by our Standard Return Policy for returns on exchanges or refunds within 30 days from the date of purchase.

Product history:

Alpine SWR-8D2 thumbnail
(newest, current model)
Alpine SWR-823D thumbnail
(previous model, replaced by Alpine Type-R SWR-8D2)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine SWR-823D Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine SWR-823D Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine SWR-823D Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 Alpine SWR-823D Subwoofers

2 Channel Amp

4 Channel Amp


Loading...
REF507CF_2_MET-825601_2 main

2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates

390W Peak (130W RMS) 5.25" Reference Series 2-way 3-ohm Component Speaker System with Speaker Adapter Plates

3
-12.14%

$477.88

List price $543.88

BV850ACP main

Boss Elite BV850ACP

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera

5
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

122
-33.36%

$79.96

List price $119.99

DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

2
-16.67%

$349.99

List price $420.00

iLX-W650 main

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

123
-5.72%

$329.95

List price $349.95

Club 322F main

JBL Club 322F (SPKCB322FAM)

150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers

1
-27.29%

$79.95

List price $109.95

DMH-W4660NEX main

Pioneer DMH-W4660NEX

6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)

2
-20.00%

$599.99

List price $750.00

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95


Best selling similar products

VCW82v3 small

NVX VCW82 Version 3 (VCW82v3)

• Peak Power: 1300 watts
• RMS Power: 650 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• High Roll Foam Surround with black nylon stitching
• Mount depth: 5.31"
• Sensitivity: 83 dB (1W/1m)

(12)

$169.99

List price $203.99

47KBRW8 small

Kicker 47KBRW8 ReFLEX™

• 8" ReFLEX™ Passive Radiator
• Rubber covered plastic Cone
• Rubber Surround

(1)

$49.99

List price $59.99

DB-SA2508 D1 small

Deaf Bonce Apocalypse DB-SA2508 D1

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 1 ohm
• Mount depth: 5.22"
• Sensitivity: 84.7 dB

(1)

$229.90

List price $229.90

VCW84v3 small

NVX VCW84 Version 3 (VCW84v3)

• Peak Power: 1300 watts
• RMS Power: 650 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 5.31"
• Sensitivity: 83 dB (1W/1m)

(15)

$169.99

List price $203.99

8W3V3-4 small

JL Audio 8W3V3-4

• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Mineral-Filled Polypropylene Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 4.63"
• Sensitivity: 83.24 dB

(45)

$349.99

List price $349.99

L7S82 small

Kicker L7S82 (44L7S82)

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

(1)

$175.96

List price $239.99

SPK-8S4 small

AudioControl SPK-8S4

• RMS Power: 500 watts
• Impedance: Single 4 ohm
• Paper Fiber with Mica Coating Cone
• Rubber Surround
• Mount depth: 4.291"
• Sensitivity: 81.9876 dB

(1)

$179.00

List price $229.00

KAPPA 83WDSSI small

Infinity Kappa 83WDSSI (INFSUBKA83WDSSIAM)

• Peak Power: 1200 watts
• RMS Power: 400 watts
• Impedance: Single 2 or 4 ohm
• Glass Fiber Cone
• Rubber Surround
• Mount depth: 5.42"
• Sensitivity: 91 dB

(2)

$149.95

List price $289.95

8W1v3-4 small

JL Audio 8W1v3-4


• RMS Power: 150 watts
• Impedance: Single 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 3.86"
• Sensitivity: 84.8 dB

(10)

$199.99

List price $199.99

CWRT84 small

Kicker CWRT84 (48CWRT84)

• Peak Power: 600 watts
• RMS Power: 300 watts
• Impedance: Dual 4 ohm
• UV-Treated Polypropylene Cone
• UV-resistant Santoprene Surround
• Mount depth: 2-11/16"
• Sensitivity: 81.8 dB

(4)

$151.96

List price $209.99

Specifications & Details


Subwoofer Specifications
Series
Type-R Series
Subwoofer Size
8"
Peak Power Handling
1000 watts
RMS Power Handling
350 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Frequency Response
28 - 200 Hz
Sensitivity
83.5 dB
Xmax (millimeters)
14 mm
Subwoofer Design
Round / Circle
Main Cone Color
Dark Gray
Woofer Composition
Kevlar Fiber
Woofer Surround
Santoprene Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Bandpass
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.15 cubic feet
Maximum Sealed Box Volume
0.50 cubic feet
Minimum Ported Box Volume
0.25 cubic feet
Maximum Ported Box Volume
0.60 cubic feet
Top-Mount Depth (Mounting Depth)
4-1/2"
Cutout Diameter
6-7/8"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

SWR-823D

Weight:

10.50lbs

Internal SKU:

swr823d

Internal Product ID:

34384

Product and How-to Videos


Customer Ratings & Reviews


Alpine SWR-823D thumbnail image

5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
4.5
Value
4.5
Features
4.5
Design
4.5
Usability
4.5

Customer Reviews

Sort by:

Loading...

WOW !! CAN'T BELIEVE THESE ARE 8"

We bought 2 of these for a small truck. These are the nicest looking 8" subs. Both subs sealed and being pushed by an Alpine MRP-500 They sound like 2 10" subs! These wont rattle the car next to you but, people will wonder where you are hiding the big subs. Well worth it if you have limited space.

By cesar on February 22, 2012

18 found this helpful


solid value

took a while to break in but once they did sound is just what i want

By mitch on February 12, 2013

14 found this helpful




KAPPA503CF_2 small

Infinity Kappa 503CF (2-Pairs, 4-Total)

960W Peak (320W RMS) 5.25” Kappa Series 2-way Component Speakers System (2-Pairs)

(1)

$559.98

List price $899.90

OEM-1 small

PAC OEM-1

Factory System or Radio Replacement Interface

(2)

$24.95

List price $56.95

LA1110SL small

Legacy LA1110SL (Silver)

1100W Max, Class D Monoblock Icon Series Car Amplifier with Silver Color Chassis

(3)

$69.99

List price $149.95

XBAF8 small

NVX XBAF8

Universal 8" Waterproof Silicone Rubber Speaker Baffles (Pack of 2)

(2)

$22.99

List price $29.99

HB-1 small

Hitron HB-1

Digital Bass Processor (HB1)

(1)

$49.99

List price $119.99

S-522 small

PowerBass S-522

5-1/4" S-Series 2-Way Coaxial Car Speakers

(4)

$29.99

List price $49.99

10C84 small

Kicker Comp C84 (10C84)

100W 8" 8" Comp 4 Ohm SVCSeries Single 4 ohm Subwoofer

(36)

$59.95

List price $99.95

MRP-M350 small

Alpine MRP-M350

Class D Monoblock Amplifier

(6)

$119.99

List price $229.99

QB10SPA_BAK82BL small

NVX QB10SPA with Free BAK82BL Amp Kit

1200W MAX (350W RMS) Single 10" Amplified Ported Loaded Subwoofer Enclosure with 8 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit

(35)

$179.99

List price $325.97

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2016 Ford Flex

2011 Volkswagen Eos

2001 Mitsubishi Eclipse Spyder

2017 Cadillac Escalade

2001 Suzuki Vitara

1991 Eagle Summit

2002 Ford Explorer

2019 Genesis G70

1954 Chrysler Windsor

2021 Audi SQ5

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.