See all parts that fit your 1991 944
270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
Choose from any of our many bundles that include this product for even more savings!
Polk Audio DB402 DB+ with Installation Accessories
90W RMS 4" 2-way Car & Marine Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit
(148)
$126.36
List price $171.70
Bundle Savings of $45.34
10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wired Android Auto (SiriusXM Ready)
$798.00
List price $999.99
Single DIN Digital Media Receiver with Bluetooth, Built-in Alexa (Sirius XM Ready)
$199.00
List price $250.00
Single DIN Digital Media Receiver with Bluetooth and Amazon Alexa
$129.99
List price $150.00
Single DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)
$199.00
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Single DIN CD Receiver with Bluetooth, HD Radio and SiriusXM Ready
$249.99
List price $280.00
Single DIN CD Receiver with Bluetooth and Built-in Alexa (SiriusXM Ready)
$179.00
List price $200.00
Single DIN CD Receiver with Bluetooth, Built-in Alexa, and HD Radio Tuner (SiriusXM Ready)
$219.00
List price $270.00
This offer cannot be combined with any other coupons or offers.
Polk Audio DB402 (DB 402)
30% off
Priced separately $132 99
Promo Savings of $12 90
Total price:
$120 09
This offer cannot be combined with any other coupons or offers.
Polk Audio DB402 (DB 402)
30% off
Priced separately $155 99
Promo Savings of $19 80
Total price:
$136 19
This offer cannot be combined with any other coupons or offers.
Polk Audio DB402 (DB 402)
30% off
Priced separately $114 99
Promo Savings of $7 50
Total price:
$107 49
This offer cannot be combined with any other coupons or offers.
Polk Audio DB402 (DB 402)
30% off
Priced separately $145 99
Promo Savings of $16 80
Total price:
$129 19
This offer cannot be combined with any other coupons or offers.
Polk Audio DB402 (DB 402)
30% off
Priced separately $137 99
Promo Savings of $14 40
Total price:
$123 59
This offer cannot be combined with any other coupons or offers.
Polk Audio DB402 (DB 402)
20% off
$90 00
$29 99
Priced separately $119 99
Promo Savings of $6 00
Total price:
$113 99
This offer cannot be combined with any other coupons or offers.
Polk Audio DB402 (DB 402)
20% off
$90 00
$11 98
Priced separately $101 98
Promo Savings of $2 40
Total price:
$99 58
Get 40% Off NVX SDSK2 Sound Dampening Speaker Kit with your Speaker purchase! Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.
Polk Audio DB402 (DB 402)
40% off
$90 00
Priced separately $104 99
Promo Savings of $6 00
Total price:
$98 99
• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
Upgrade your Car, Boat, Motorcycle, or ATV’s factory speaker set with the DB+ Series to get that legendary Polk sound wherever life takes you. You’ll get loud, crystal clear sound with effortless bass from a marine certified speaker that’s easy to install and built to last.
The DB+ Series is IP56 rated so they are dirt- and water-resistant. They also have been tested for salt-fog, UV and humidity. A big part of that marine certification also means that each speaker has a non-corrosive plastic grille, a polypropylene UV tolerant cone, waterproof inner and outer surrounds, and stainless steel mounting hardware, ensuring that they are fully protected against the elements.
Priced Per Pair
Polk Audio DB402 owner’s manual
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(newest, current model)
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(previous model, replaced by Polk Audio DB402 (DB 402))
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(previous model, replaced by Polk Audio db401)
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Manufacturer:
Model Number:
DB402
Weight:
3.50lbs
Internal SKU:
db402
Internal Product ID:
112173
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Great speaker
10 out of 10 great sound out of these little speaker and tweeter are very crisp and detail...
33 found this helpful
Sound good
These speakers sound pretty good on my Electra glide. They are not as loud as I would like, but they are louder than I expected. Pretty good sound for only 4".
31 found this helpful
Polk Audio DB 402
Bought these speakers to replace Merrill speakers that kept shorting out they didn't last a year. I was blown away by the sound quality of these over the Merrill and these were about 20 dollars cheaper, they are now a year old and sound as good as when I bought them.
I am now a Polk audio fan!
30 found this helpful
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
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