Garage
Shop

See all parts that fit your 2016 Commander Max 1000 XT

Polk Audio db804

Single 4 ohms 8" db Series Subwoofer (Marine Certified)

Product videos
highlight-star-icon

8" Single 4 Ohm db Series Subwoofer • 180W RMS • 360W Peak • Kapton Voice Coil • Single 4 Ohm Voice Coil • Suitable for Marine use • Santoprene Rubber Surround

Learn more about the db804

Good news and a little bad...

This item has been discontinued

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

db842svc thumbnail

Polk Audio DB 842 SVC (DB842SVC)

OUR PRICE: $100.00

View item

Loading...
RVM-35V1 main

MB Quart RVM-35V1

3.5" Touchscreen Multi-Zone Digital Multimedia Receiver with Bluetooth for RV's

-10.38%

$189.99

List price $211.99

RV.R1 main

DS18 RV.R1

Multi-Zone Digital Audio Receiver with Bluetooth Audio Streaming for RV's

RVDVD3.0 main

MB Quart RVDVD3.0

Multi-Zone DVD Receiver with Bluetooth for RV's

1
-10.10%

$257.99

List price $286.99

MB Quart RVM2.0

Multi-Zone Digital Audio Receiver with Bluetooth Audio Streaming for RV's

-10.29%

$156.99

List price $174.99

RVM-10V1 main

MB Quart RVM-10V1

10" Touchscreen Multi-Zone Digital Multimedia Receiver with Bluetooth for RV's

-9.09%

$250.00

List price $275.00

PRO-1.5KP10.4 main

DS18 PRO-1.5KP10.4 (Sold Individually)

3000W Peak (1500W RMS) 10" PANCADÃO Series 4-ohm Mid-bass Speaker

49ST9MR4 main

Kicker ST9MR4 (49ST9MR4)

1200W Peak (600W RMS) 9" Street Series Pro Midrange 4-ohm Speakers

-9.09%

$199.99

List price $219.99

US2-C65A-175 main

SSV Works US2-C65A-175

120W Peak (60W RMS) Cage Mount Speaker Pods with 1.75" Clamp

US2-C65A-200 main

SSV Works US2-C65A-200

120W Peak (60W RMS) Cage Mount Speaker Pods with 2" Clamp

49ST9MR8 main

Kicker ST9MR8 (49ST9MR8)

1200W Peak (600W RMS) 9" Street Series Pro Midrange 8-ohm Speakers

-9.09%

$199.99

List price $219.99

Product Highlights


8" Single 4 Ohm db Series Subwoofer • 180W RMS • 360W Peak • Kapton Voice Coil • Single 4 Ohm Voice Coil • Suitable for Marine use • Santoprene Rubber Surround

Description


Polk Audio brand icon

Authorized dealer

  • 8" Single 4 Ohm db Series Subwoofer
  • Power Handling:
    • Peak: 360 watts
    • RMS: 180 watts
  • Impedance: Single 4 ohm
  • Polypropylene cone woofer
  • Santoprene rubber surround
  • Suitable for marine use
  • Triple-vented Kapton voice coil former
  • Fire-retardant flat NOMEX spider
  • Voice coil size and type (if listed)
  • Magnet size and type (for example: "40oz. neodynium magnet structure")
  • Frequency response: 30-200 Hz
  • Sensitivity: 85 dB
  • 1-year SonicElectronix.com warranty

Product history:

Polk Audio DB 842 SVC thumbnail
(newest, current model)
Polk Audio db840 thumbnail
(previous model, replaced by Polk Audio DB 842 SVC (DB842SVC))
Polk Audio db804 thumbnail
(previous model, replaced by Polk Audio db840 (FREE Upgrade to 2017 Model))

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Polk Audio db804 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Polk Audio db804 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Polk Audio db804 Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Polk Audio db804 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


Best selling similar products

47KBRW8 small

Kicker 47KBRW8 ReFLEX™

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

(1)

$49.99

List price $59.99

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

SW-EV68D2 small

Sundown Audio E8 v.6 D2 8" (E8V6D2)

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 2 ohm
• Pressed Paper Cone
• Pressed Foam Surround
• Mount depth: 4.98"
• Sensitivity: 82.4 dB

$169.99

List price $203.99

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

R2-W8D2 small

Alpine R2-W8D2

• Peak Power: 1000 watts
• RMS Power: 350 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 4.56"
• Sensitivity: 83.6 dB

$239.95

List price $360.00

R2-W8D4 small

Alpine R2-W8D4

• Peak Power: 1000 watts
• RMS Power: 350 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 4.56"
• Sensitivity: 83.7 dB

$239.95

List price $360.00

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

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

DES84 small

Diamond Audio DES84

• Peak Power: 500 watts
• RMS Power: 250 watts
• Fiber-Reinforced High Strength Paper Cone
• Impedance: Dual 4 ohm
• Sensitivity: 82.1 dB

$239.99

List price $219.99

Specifications & Details


Subwoofer Specifications
Subwoofer Size
8"
Peak Power Handling
360 watts
RMS Power Handling
180 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
Frequency Response
30 - 200 Hz
Sensitivity
85 dB
Woofer Composition
Polypropylene
Woofer Surround
Santoprene Rubber
Recommended Enclosure Specifications
Minimum Sealed Box Volume
0.66 cubic feet
Maximum Sealed Box Volume
0.66 cubic feet
Minimum Ported Box Volume
1.25 cubic feet
Maximum Ported Box Volume
1.25 cubic feet
Top-Mount Depth (Mounting Depth)
4"
Cutout Diameter
7-1/16"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

db804

Weight:

9.00lbs

Internal SKU:

db804

Internal Product ID:

7103

Product and How-to Videos


Customer Ratings & Reviews


Polk Audio db804 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...

A KICK BASS SUB

this sub hits incredibly hard for a 8in, i have friends with much larger subs, and this one keeps up, even on my 80W amp! this sub is rated much higher and i'm sure it can keep up with all its bigger brethren. Excellent sub over all, great price. you won't be disappointed!

By Steven on July 12, 2007

30 found this helpful




HL250 small

GS Audio HL250 - Hi-Lo Adapter

High Signal to Low Signal Line-Out Converter

(16)

$7.99

List price $14.99

Related Searches


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

2003 GMC Sierra 2500 HD

2008 Chevrolet Aveo

1989 Chevrolet LLV

2023 Kia Rio

2003 Audi S8

1986 Audi 4000

2024 Ford Maverick

1982 Volkswagen Rabbit

2000 Toyota Echo

2025 Ford Transit-350 HD

Vehicle
Store
Delete

1997 Harley Davidson FLHT Electra Glide Standard

Vehicle
Store
Delete

2016 Can-Am Commander Max 1000 XT

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.