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Mackie SRM 1850

1600W 18′′ Powered Subwoofer
MFR# SRM1850

Product Description

The Mackie SRM 1850 is an active 18" subwoofer delivering 1600 W of intense power in an ultra-high output design that can shake the room. The professional-grade, interlay-braced all-wood enclosure provides tour level road-worthies with maximum low-frequency extension and punch.

SRM subwoofer features stereo XLR inputs, full-range and high-ass outputs plus a variable digital crossover that induces presets for SRM top boxes.

The Smart Protect DSP is also in place to protect your investment when things get used a little too hard. Get the high-output, air-moving lows you demand in a rock solid subwoofer.


  • 1600 W of intense power paired with custom high-output 18" woofer for room-shaking, chest-pounding low end performance
  • "Built-like-a-tank" all-wood, internally-braced cabinet delivers professional-grade road-worthiness and near-zero distortion, even at high volume
  • Front ported for maximum low-frequency extension and punch
  • Stereo XLR inputs plus stereo XLR full-range and high-pass outputs
  • Integrated digital crossover with variable control and presets from SRM loudspeakers
  • Smart Protect DSP kicks in to protect your investment when things get pushed a little to hard
  • Built-in cup for easy pole-mounting of full-range loudspeakers

Product Specifications

Width22.2 in
Depth23.9 in
Height22.5 in
Unit Weight64 lb
Active or PassiveActive
Speaker ConfigurationSingle speaker
driver_sizes18" with 3" voice coil
Number of SpeakersSingle
Input ConnectorsAnalog XLR
Amp Wattage1600 W peak
Frequency Range40 Hz - 120 Hz (-3 dB)
Max. SPL132 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.
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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.
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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.
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