The Turbosound M18B is a high-powered 18" bandpass powered subwoofer designed for portable PA and installation applications. With 2200 Watts of Klark Teknik Class-D technology, high-excursion drivers, and versatile controls, it delivers powerful and accurate bass reinforcement in a durable enclosure.
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The Turbosound M18B is engineered to provide exceptional low-frequency performance in portable PA and installation settings. This bandpass powered subwoofer combines robust construction with advanced Klark Teknik technology to deliver clear, impactful bass reproduction with minimal distortion.

Featuring a high-excursion 18″ low-frequency driver with a 4″ voice coil and double suspension, the M18B is capable of handling high-power input levels with ease, ensuring deep and tight bass response across the frequency spectrum. The subwoofer’s bandpass design optimizes efficiency and output, delivering impressive low-end extension and impact.

With 2200 Watts of Klark Teknik Class-D technology, the M18B provides ample power for demanding applications, delivering consistent and reliable performance even at high volumes. The subwoofer offers versatile controls including level, polarity, bass boost, and boost frequency adjustment, allowing users to tailor the sound to suit their specific requirements and system configurations.

Constructed from durable birch plywood and finished with a hard-wearing semi-matte black paint finish, the M18B is built to withstand the rigors of professional use. A rugged powder-coated perforated steel mesh grille protects the driver while allowing for optimal airflow, ensuring efficient cooling and extended component life.

The subwoofer features integrated plated steel castors with rubber tires for easy transport and positioning, while a 36 mm pole mount enables convenient mounting of satellite speakers above the subwoofer for enhanced sound coverage and dispersion.


  • Model: M18B
  • Configuration: Bandpass powered subwoofer
  • Power: 2200 Watts
  • LF Driver: 18″ with 4″ voice coil and double suspension
  • Frequency Range: 40 Hz–100 Hz ±3 dB, 30 Hz–150 Hz -10 dB
  • Max SPL (peak): 134 dB (half space)
  • Controls: Level, Polarity, Boost, Boost Frequency
  • Input Connectors: 2 x female XLR (Input), 2 x male XLR (Thru)
  • Construction: Birch plywood
  • Dimensions: 590 x 640 x 530 mm (23.2 x 25.2 x 20.9″)
  • Net Weight: 48 kg (105.6 lbs)

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