The Turbosound TQ18B is a powerful single 18" reflex loaded subwoofer designed for both touring and installation applications. With 1000 Watts continuous and 4000 Watts peak power, seamless integration with Lab Gruppen amplifiers and Lake DSP, and flexible cardioid configurations, it delivers superior low-frequency extension and pattern control.
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The Turbosound TQ18B sets a new standard in subwoofer performance, offering exceptional low-frequency extension and pattern control for both touring and installation applications. With its cardioid-arrayable design, advanced transducer technology, and seamless integration with Lab Gruppen amplifiers and Lake DSP, the TQ18B delivers powerful, precise bass reproduction in any environment.

At the heart of the TQ18B is its 18″ neodymium low-frequency transducer, capable of handling 1000 Watts continuous and 4000 Watts peak power. This high-performance driver is specifically designed for low-frequency extension of the TQ series, ensuring seamless integration and optimal performance.

The TQ18B features flexible cardioid configurations and electronic delay steering, providing superior rear rejection and pattern control. This allows users to tailor the subwoofer’s output to suit the acoustic characteristics of any venue, ensuring optimal sound quality and coverage.

The subwoofer is optimized for extended low-frequency impact and accurate transient response, thanks to its advanced tuning and design. The low-distortion diverging lens port (DLP) design maximizes sound pressure level while minimizing distortion, ensuring clear, powerful bass reproduction.

Constructed from 15 mm (5/8″) and 18 mm (3/4″) plywood with an extremely durable semi-matte black paint finish, the TQ18B is built to withstand the rigors of touring and installation environments. Integral feet secure ground stacking, while dual integral M20 (3/4″ / 20 mm thread) pole mount sockets support satellite speaker configurations for added flexibility.

The rear panel features a Neutrik SpeakON NL4 connector for input connection, while a front-mounted NL4 connector facilitates rear-firing cardioid operation, further enhancing pattern control and rear rejection.


  • Model: TQ18B
  • Configuration: Single 18″ reflex loaded subwoofer
  • Power: 1000 Watts continuous, 4000 Watts peak
  • Transducer: 18″ neodymium low-frequency
  • Enclosure Material: 15 mm (5/8”) & 18 mm (3/4″) plywood
  • Finish: Semi-matte black paint
  • Connectivity: Neutrik SpeakON NL4 rear panel connector, front-mounted NL4 connector
  • Cardioid Configurations: Yes
  • Pole Mount: Dual Integral M20 (3/4″ / 20 mm thread) sockets
  • Applications: Touring, installation

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