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JBL MRX528S – No Longer Available

Dual 18” portable subwoofer system
MFR# MRX528S
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Product Description

The JBL MRX528S is a portable dual 18" subwoofer speaker system.

Features:

  • Dual 18", 2044H drivers for extended low-frequency output
  • Large vents for reduced distortion
  • Vertical orientation for convenient ground stacking
  • Tough DuraFlexT enclosure finish

Specifications:

  • Power rating: 1000 W / 2000 W / 4000 W
  • Frequency range: 35 Hz - 250 Hz
  • Dimensions (H x W x D): 1095 mm x 535 mm x 700 mm (43 x 21 x 27.5")
  • Sensitivity: 97 dB SPL; 103 dB SPL
  • Frequency response: 40 Hz - 250 Hz
  • Nominal impedance: 4 ohms
  • Rated maximum SPL: 133 dB SPL (139 dB SPL)*Calculated on half space condition
  • Coverage pattern: 70º x 70º nominal
  • Weight: 55 kg (121 lbs.)
  • Low frequency driver: 2 x JBL 2044H 457 mm (18") woofers

Product Specifications

ConditionNew
Active or PassivePassive

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
James P.
Thank you so much! Vintage King has been so fair and easy to work with. I can't thank you enough. It feels good to trust such a hefty purchase to folks who are so helpful and knowledgeable. Vintage King is a sound designers dream store.
Noa L.
You guys have excellent customer service and I am excited about the next upgrade I complete on my fifth recording facility. I've been in the studio business for forty plus years. The salesman I worked with at Vintage King was the best of the best. You all rock!
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Jake D.
My experience with Vintage King was excellent. The order was here fast considering it was out of stock. The sales person had SKB send it to me directly and I couldn't have been more pleased.
Michael D.
From the minute I placed my order I was kept well-informed through each step in your process. Even though I was buying a comparatively modest piece of gear, your attention to detail made me feel like I was purchasing a six-figure mixing desk.
Thomas W.
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