JBL - PRX418S - 18" Subwoofer

Marsoni

M251S

$530.00

Get it in 3 business days with 1 day shipping. Friday, May 29

JBL - PRX418S - 18" SubwooferThe JBL PRX418S is a compact 18" passive subwoofer system delivering powerful extended low frequency output to complement PRX Series full range speakers. The PRX418S contains a JBL Selenium 18" woofer optimized for high output bass reproduction, making it an ideal partner for PRX412M and PRX415M speakers in club, DJ, and live sound applications. JBL Selenium 18" LF driver for extended, powerful bass output Compact enclosure for easy transport and

Easy Shipping

Quick Dispatch:

Your JBL - PRX418S - 18" Subwoofer 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 JBL - PRX418S - 18" Subwoofer ships.

Need Help?
Questions about JBL - PRX418S - 18" Subwoofer, 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 JBL - PRX418S - 18" Subwoofer in your area.

Get Shipping Estimates

Country Zip/Postal Code

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

Added this to my evening Magnesium Glycinate about 2 or 3 weeks ago. My difficulty getting a full nights sleep gradually started to improve. I am now averaging 7 or more hours straight, up from 2.5 - 3hrs. Waking feeling refreshed and more alert, not tired and groggy now. No more mid morning slump. Just keeps getting better... it's not instant but, continues to improve. These improvements alone are well worth the cost. Also, seems to have added an extra kick to the other reason I take Magnesium... my hip pain and lack of flexibility has also improved. Almost no pain now and flexibility has gone from zero to at least 50% now. I can bend at the hip now and look forward to being able to put on socks, tie shoe laces, scrub feet and trim toenails without assistance! I have always been physically active until the years of unconsciously favoring my left leg after breaking my right leg in several places ...twice when I was younger began to take a toll on my flexibility. Starting gradually in my mid sixties until now at 68, the list of immobility problems had become very annoying. So, this improvement is is most exciting! My thanks to Teraputics Pure Life for making an excellent product!

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on September 16, 2020

Verified Purchase

Debra D.

Houston, US

★★★★★ 5

Great Product

I purchased "Magnesium L Threonate, Magtein™, Brain Supplement for Memory, Focus, Sleep and Cognitive Support". I added this to my evening regimen and my difficulty getting a full nights sleep gradually started to improve. I am waking up feeling refreshed now. No more mid morning slump. These improvements alone are well worth the cost. This improvement is is most exciting! My thanks to Teraputics Pure Life for making an excellent product!

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on September 17, 2025