Mackie SRM1850 Active Subwoofer

Product ID: 207170

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  • Premium performance 800W RMS, 1600W peak active subwoofer
  • Ultra-efficient Class-D amplifier for maximum efficiency
  • Outstanding 40 Hz to 180 Hz frequency range for deep bas punch
  • Precision crossover design with selective high-pass mode selection
  • Built-in limiter to protect against unwanted signal clipping
  • Smart protect circuitry to maximise efficiency and reduce operating temperature
  • Polarity switch enables the signal to be inverted to match the requirements of your PA set-up
  • Designed to be placed on the floor or stage
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Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight and Channel Islands is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland* FREE on orders over £75 £4.45 on orders under £75 1-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands £12.95 – any order value up to 30kg Over 30kg - please call 1-3 working days
Overseas Please call for details Please call

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The Mackie SRM1850 Active Subwoofer offers the ideal combination of power, performance, and portability. Wherever your music takes you, the SRM1850 is on hand to give your bass the tight low-end response it deserves. The wizards at Mackie have included a range of features to ensure that everything you need is built-in to make setting up a breeze.

Power on the go

In order to deliver a fluid response from the 18-inch transducer, the SRM1850 is powered by an economically designed Class-D Fast Recovery amplifier, which works alongside Mackie's active electronics to ensure that the relationship between the amp and transducer is a harmonious one. The highly efficient circuitry is tasked with handling the crossover signal at 115Hz, guaranteeing a consistent and smooth transition.

Delivering 1600 Watts of peak power, the internal circuitry carries out its duties immaculately, delivering a sweet response no matter how aggressively you push it. In order to protect your signal from going too far - and eliminating the chance of overheating the amplifier - the SRM1850 is equipped with overload protection circuitry, which reduces the signal to an appropriate level.

Get connected

The Mackie SRM1850 is equipped with a pair of XLR inputs, as well as two stereo XLR outputs per channel – High Pass and Full Range -, which enables you to use this sub in a wide range of PA arrangements. You can connect the outputs to another sub, a pair of loudspeakers, with a level switch to control the signal level at the input to the built-in power amplifier. Depending on your loudspeaker arrangement, there is also a Polarity switch that allows you to invert the signal polarity to meet your set-up’s requirements.

As we've come to expect from Mackie, the SRM Series speakers are built to take the punishment that comes with life on the road. The solid 18mm poplar plywood enclosure protects all internal components, with textured black, catalysed polyurethane paint to protect and preserve the finish. The perforated front metal grille prevents unwanted damage occurring to the transducer. Loading in and out of venues is a breeze thanks to the addition of heavy duty handles.

ModelSRM1850 Active Subwoofer
Dimension (H x W x D)572 x 565 x 608mm
Weight 29kg
Voice Coil Diameter3-Inch
Diaphragm MaterialPaper
Magnet MaterialFerrite
Safety Features Protection: Low-frequency Dynamic Bass Protection, Power Supply, and Amplifier Thermal Protection
Display LEDs: Signal, Power, Limit
Connectivity Input: XLR Full Range Output: XLR Hi-Pass Output: XLR

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