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Ocean Way Audio S12A MKIII Subwoofer - Single

Two way self-amplified sub monitoring system including a magnetic grill cloth, rubber feet, and balanced stereo IN and OUT


Product Description

The Ocean Way Audio S12A MKIII Subwoofer is a two-way, self-amplified 700 watt, side-ported 12 inch studio monitoring sub. And the MKIII now includes balanced stereo in and out, a magnetic grill cloth and comes with rubber feet.

Hear the deep yet clearly defined bass you know is there with Ocean Way Audio's S12A powered studio subwoofer. Designed with professional recording and cinema applications in mind, the S12A also makes a stunning addition to your home theater. Hear what your full-range monitors can't and feel the action you're missing in movies and games.

Standard XLR I/O connections provide for easy integration into most studio and listening environments. The S10A is an ideal companion for the OWA HR4 full-range speaker or any high-quality mid-to-far field monitor system. Complete with gain, low frequency, crossover, and delay controls, the S12A is an equally good choice for new or existing systems. With a frequency range of 30 - 125 Hz and a 700 W onboard amplifier, you'll have all the knee-buckling low end you can handle.


  • Balanced stereo in and out
  • Rubber feet
  • Magnetic grill cloth
  • Excellent for professional music studios, cinemas, home theater and more
  • Powerful 700 W Performance
  • Single 12″ Low Frequency Driver
  • 30 Hz-125 Hz Frequency Range with 114 dB Maximum SPL
  • Selectable RCA and XLR Inputs
  • Flexible controls for Gain, LF Adjust, Crossover, Delay and more

Product Specifications

Condition New
Width 18 in
Depth 21 in
Height 18 in
Unit Weight 78 lb
Active or Passive Active
Speaker Configuration Single speaker
Driver Sizes 12 in (sub)
Number of Speakers Single
Input Connectors Analog XLR
Output Connectors Analog XLR
Amp Wattage 700 W
Frequency Range 30 Hz – 125 Hz
Max. SPL 114 dB

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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!
Robby T.
I would recommend Vintage King to any one looking for top-class gear, unbeatable customer service and the best prices on the map!
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.
I am a new customer of yours. You guys provided me the absolute best deals in ordering all the equipment to power my brand new recording studio. Your customer service is amazing and i will always deal with you from here on out.
Rob M.
Thanks for your great service and getting this out today. You guys really are the Kings!
Alan B.
Better than expected! Truly impeccable service. Your team was professional, knowledgeable, provided speedy delivery above and beyond standard. Vintage King Audio is definitely my go to for all of my audio and information needs.
James O.