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Mackie Mackie S518S 18inch Passive SR Subwoofer

Dolphin id:94007 Product SKU:S518S

Limited Stock

The Mackie S518S Passive Subwoofer are made of wood which provides the best-possible response, as well as being sturdy and all-natural. Enjoy extended low-frequency output without annoying rattles or vibrations thanks to the substantial internal bracing, therefore delivering you exceptional sound quality.

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For added protection the S518S is covered in highly durable PVC vinyl coating that protects against the occasional ding or spilled drink, as well as edge bumpers with built in cups for safe, easy stacking.

HF Protection You Can Rely On

The protective circuitry in this subwoofer will kick in if the speaker gets driven beyond its limits, reducing the power to the HF driver, safely alerting you that it's time to turn things down, therefore protecting the HF driver from damage.

Ditch the Crossover

You can now eliminate another piece of expensive gear from the rack, thanks to the S518S's low-pass filter that strips away all highs and mids, focusing power on the low frequencies. This lets the sub do what it does best, and lets you use a single 2-channel power amp to drive a stereo rig without the need for an external crossover.


  • 1800W Peak Power
  • 18" high-output woofer
  • Rugged, professional wood enclosure with high-durability textured paint
  • Integrated low-pass filter focuses power to low frequencies for maximum punch
  • NL4 and 1/4" input and thru connections for connecting multiple units on a single amp channel
  • Wide-dispersion 90° x 50° high-frequency horn
  • HF protection circuitry reduces high-frequency output to protect against driver damage
  • Precision, high-output transducer
  • Pole Mount on Top


  • Power Handling: 450-Watts Continuous, 1800-Watts peak
  • Internal Low Pass Filter: 120Hz
  • Frequency Response: 37Hz - 220Hz
  • Nominal Impedance: 8 ohms
  • LF Driver: 15" Woofer
  • HF Driver: 1" Tweeter
  • H x D x W: 607mm x 541mm x 516mm
  • Weight: 32Kg

£ 499.00 Web price, inc VAT

Ex Vat:
£415.83, VAT at 20.00%
x £ payments + £ deposit
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Price Matching

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