Factory Audio Upgrade
Ultra-Durable
Marine Certification
Multiple Configurations
50 Year Heritage
Engineered in Baltimore
25 Products
25 Products
Super Efficient Class D Bridgeable 4-Channel Mobile Audio Amplifier
$379.00
6.5" Component Speaker System with Ultra-Marine Certification (Pair)
$279.00
6x9" Three Way Speakers with Ultra-Marine Certification (Pair)
$229.00
12" Dual Voice-Coil Subwoofer with Ultra-Marine Certification
$179.00
5.25" Component Speaker System with Marine Certification (Pair)
$179.00
5x7" Coaxial Speakers with Ultra-Marine Certification (Pair)
$179.00
6.5" Component Speaker System with Marine Certification (Pair)
$179.00
5.25" Coaxial Speakers with Ultra-Marine Certification (Pair)
$179.00
12" Subwoofer with Ultra-Marine Certification
$179.00
10" Dual Voice-Coil Subwoofer with Ultra-Marine Certification
$169.00
10" Subwoofer with Ultra-Marine Certification
$169.00
8" Dual Voice-Coil Subwoofer with Ultra-Marine Certification
$149.00
8" Subwoofer with Ultra-Marine Certification
$149.00
6x9" Coaxial Speakers with Marine Certification (Pair)
$129.00
12" Dual Voice-Coil Subwoofer with Marine Certification
$119.00
12" Subwoofer with Marine Certification
$119.00
5x7" Coaxial Speakers with Marine Certification (Pair)
$99.00
10" Dual Voice-Coil Subwoofer with Marine Certification
$99.00
Marine or Ultra-marine certification
You'll experience great sound whether you're on the road or on the waves. Polk DB Plus and MM1 speakers feature Marine or Ultra-marine certification for long-lasting protection against virtually anything mother nature can dish out.
60 days risk-free
Try any product for 60 days and if you don’t love it, return it for a full refund. We’ll even pay for shipping.
Free Shipping
Free and fast shipping on all products, direct from Polk.
50 Year Legacy
For over 50 years we've been providing exceptional sound experiences.
Engineered in Baltimore
We're proud to be part of Baltimore for over five decades.