Mackie SR18S 18" Active Subwoofer

MackieSKU: 003071

Sale price£955.00
Pre Order - Stock Due Soon


Feel every beat. The Mackie SR18S 18" Active Subwoofer adds depth and detail to your live sound system. With 1600W peak power on board, you can explosive volumes without ever compromising on clarity. That means smooth, articulate bass that everyone can enjoy.


Built for maximum performance. The SR18S boasts deep, responsive low-end all the way down to 33Hz. Thanks to a custom high-efficiency 18" woofer, you've got maximum punch for every type of performance. Add to that three voicing presets, and you've got perfectly tuned audio fit for any occasion.


Take centre stage with confidence. The SR18S takes the hassle out of live sound so you can concentrate on what you do best. With stereo/mono summing, variable crossover frequency, and polarity invert controls on board, flawless optimisation is a guarantee. All you have to do is plug in and play.

Fine tune every detail

From concert halls to bars and clubs. Every venue is different. So you need a system that adapts. That’s why the SR18S lets you fine-tune your sound at the touch of a button. Three built-in voicing presets allow you to fine-tune the sound of your speaker. Choose ‘Flat’ for natural balance, ‘Deep’ for emphasised low-frequencies, or ‘Punch’ for the highest possible output level. However you perform, wherever you are, you’ve got the best sound possible.

Completely protected

When you’re performing with passion, it’s easy to overdo it. But with the SR18S, you’ll never have to worry about high-output signals damaging your speaker. A dedicated processing module monitors and protects the amplifier in real-time. That means that even if you’re sending audio that’s too hot, the speaker will correct it automatically. The result is balanced tone without the worry.


  • Professional sound quality – perfect for gigging and live performances
  • Explosive output with 1600W power onboard
  • Reliable and consistent performance from Class-D amplification technology
  • Deep, articulate bass all the way down to 33Hz
  • Clear, accurate low-end response from a custom, high-efficiency 18” woofer
  • Capable of huge volumes without distorting thanks to max SPL handling of 133dB
  • Fine-tune your low end at the touch of a button with three custom voicing presets on board
  • Optimise your system with a variable crossover frequency network
  • Correct phase alignment with a polarity invert switch
  • Stereo or mono-summing for single or dual subwoofer deployment
  • Total control of your output with a variable level control (-6dBU t0 +6dBU)
  • Protected against peaks and clipping with a dedicated processing module
  • Keeps your source signal in check with input limiting
  • Pristine signal integrity from stereo XLR inputs and outputs
  • Mount satellite speakers with ease thanks to an integrated pole cup
  • Built-like-a-tank construction stops knocks and drops getting in the way


  • Power: 1600W
  • LF Driver: 18”
  • Frequency response: 33 – 200Hz
  • Max SPL: 133dB
  • Inputs: Stereo XLR
  • Outputs: Stereo high-pass XLR, Stereo full-range XLR
  • Circuitry: Class-D
  • Presets: Flat, Deep, and Punch
  • Crossover frequency: Variable
  • Power supply: 100 -240V AC
  • Dimensions: 592mm x 584mm x 686mm
  • Weight: 33.8kg
  • Product code: 2051880-03


Free Delivery on all orders of any size to UK Mainland only.
Delivery times do vary depending on the Supplier, Lead times can be:

  • 2-3 working days
  • 3-4 working days
  • 7-10 working days

At checkout, our delivery times are stated so you know when your order will be approximately arriving.

Next Day Delivery is available on certian products at checkout which is an extra cost of £7.99.

If any product in your order states Back Order then the product is not in stock, however, you can place your order and we will ship as soon as the stock arrives into our warehouse.

All in-stock orders placed before 2 pm will be processed the same day, and dispatched as soon as possible, if you place an order after this time or on a weekend or bank holiday then we will process the following working day.


You can buy something from us, and return it within 30 days for a full refund, as long as the item is returned with all the packaging and is in a brand new and unused condition.

All products come with a standard 1 years manufactures warranty. If your product is faulty within 30 days of purchase, DYProAudio will cover the cost of postage. If your item is faulty after the 30 day period, it will be down to you to cover the returns postage.

If you would like to return any item please contact us before sending the item back to obtain an RMA Number or for more information, please see our returns policy.

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