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Polk Audio db804

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

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8" Single 4 Ohms 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 DB842SVC (DB842SVC)

OUR PRICE: $89.00

View item

Product Highlights


8" Single 4 Ohms 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 Ohms db Series Subwoofer
  • Power Handling:
    • Peak: 360 watts
    • RMS: 180 watts
  • Impedance: Single 4 ohms
  • 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 DB842SVC (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

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 ohms
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



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

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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

21

found this helpful.

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