Skip to content

YORKVILLE - Synergy 2x 21” Powered Subwoofer Dual 21" Bass Reflex Powered Subwoofer: 6000 watts (program), 17,000 watts (peak) 2 x 21-inch LF woofers with 4.5-inch voice coils. Exceptionally high output and deep bass.

Marsoni M251S
Sale price$3449.50
Pay 4 payments of $862.38 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
YORKVILLE - Synergy 2x 21” Powered Subwoofer Dual 21" Bass Reflex Powered Subwoofer: 6000 watts (program), 17,000 watts (peak) 2 x 21-inch LF woofers with 4.5-inch voice coils. Exceptionally high output and deep bass.This powerful dual 21 inch subwoofer offers the highest peak power and deepest bass response of any speaker in the Synergy series, Yorkville Sounds largest and most powerful point source system. The SA221S can be combined with an SA153 as an independent system, or with the SA153 and SA315S as a 5 way system. If it were any more powerful, it would have to be measured on the Richter scale. Features 17000 W Peak Power (6000 W Program) 2x 21 Neodymium
Easy Shipping

Quick Dispatch:

Your YORKVILLE - Synergy 2x 21” Powered Subwoofer Dual 21" Bass Reflex Powered Subwoofer: 6000 watts (program), 17,000 watts (peak) 2 x 21-inch LF woofers with 4.5-inch voice coils. Exceptionally high output and deep bass. orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your YORKVILLE - Synergy 2x 21” Powered Subwoofer Dual 21" Bass Reflex Powered Subwoofer: 6000 watts (program), 17,000 watts (peak) 2 x 21-inch LF woofers with 4.5-inch voice coils. Exceptionally high output and deep bass. ships.

Need Help?
Questions about YORKVILLE - Synergy 2x 21” Powered Subwoofer Dual 21" Bass Reflex Powered Subwoofer: 6000 watts (program), 17,000 watts (peak) 2 x 21-inch LF woofers with 4.5-inch voice coils. Exceptionally high output and deep bass., sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for YORKVILLE - Synergy 2x 21” Powered Subwoofer Dual 21" Bass Reflex Powered Subwoofer: 6000 watts (program), 17,000 watts (peak) 2 x 21-inch LF woofers with 4.5-inch voice coils. Exceptionally high output and deep bass. in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 1739 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
Jeyadharshan
Fort Morgan, US
★★★★★ 5
Good Fit for 2020 Honda Odyssey
Color: CA12061, Color: CA12061
The air filter fits my 2020 Honda Odyssey perfectly. Easy to install and works well. No issues at all. Happy with the purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 16, 2025
D
Verified Purchase
Don
Bozeman, US
★★★★★ 5
High Quality
Good price for a great product. Changed oil and fuel filter today. Looks exactly like oem and no leaks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
O
Verified Purchase
ODSteve
Lake Worth, US
★★★★★ 5
Amazing fit and price
Works great every time!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 10, 2025
C
Verified Purchase
Colin W.
Battle Creek, US
★★★★★ 5
Great replacement filters
I’m onto round 2, almost due for round three of filter and oil changes on my eco diesel JL and so far these have worked great because i refuse to pay $50 for just an oil filter. No oil pressure issues with the oil filters and fuel filters prime and work as they should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2025
K
Verified Purchase
kelly clark
Massapequa, US
★★★★★ 5
Perfect fit for 2020 jeep eco diesel
Send set 8 have used, on my 2020 Jeep Wrangler Rubicon with Eco Diesel.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026

recommand products