Turbosound PQ18B – 18″ Passive Subwoofer for Professional Applications

Turbosound PQ18B is a professional passive subwoofer featuring an 18" low-frequency driver, designed for demanding sound reinforcement systems. With a compact yet robust construction, this unit is ideal for permanent installations, live events, and rental setups. Offering up to 4000 W of peak power, the PQ18B delivers deep and punchy bass with outstanding precision and definition.

Product Features

✅ Passive bass-reflex subwoofer with 4000 W peak power and 1000 W continuous power

✅ 18″ neodymium low-frequency driver

✅ Integrated Neutrik SpeakON NL4 connectors – rear and front (for cardioid mode)

✅ Durable 15 mm and 18 mm plywood enclosure with matte black finish

✅ QFP (quad-flared port) technology for low distortion

✅ Compatible with Lab Gruppen amps and Lake DSP – factory presets included

✅ Built-in stacking feet and dual M20 pole sockets for satellite speaker mounting

Maximum Low-Frequency Performance Without Compromise

The Turbosound PQ18B is engineered to deliver powerful low-end performance with efficiency and precision. Its 18″ neodymium driver combined with bass-reflex design and QFP port technology offers excellent dynamic response and transient accuracy. Whether used standalone or in an array, the PQ18B is flexible and powerful.

Preconfigured DSP presets allow fast and reliable system setup for front-firing, cardioid, and end-fired configurations. Integration with Lab Gruppen PLM+ and IPX series amplifiers ensures consistent system tuning and full operational control.

Versatile Use in Professional Sound Systems

The PQ18B is perfect for sound rental companies, system integrators, and live audio professionals. It fits perfectly in clubs, theatres, cultural venues, and touring rigs. Thanks to its compact size and solid construction, it's easy to combine with satellite speakers and line arrays.

Technical Specifications

• Type: 18″ Passive bass-reflex subwoofer
• Continuous power: 1000 W
• Peak power: 4000 W
• Driver: 1 × 18″ neodymium LF driver
• Connectors: Neutrik SpeakON NL4 – rear and front (cardioid configuration)
• Enclosure: 15/18 mm plywood, matte black paint
• Dimensions: 700 × 560 × 580 mm (H × W × D)
• Weight: 39.5 kg

Materials and Build Quality

The PQ18B’s enclosure is built from high-quality 15 mm and 18 mm plywood and finished with rugged matte black coating. A perforated steel grille with fabric lining protects the driver from damage during transport and use. This robust design ensures long-lasting performance even in demanding stage environments.

Included in the Box

• 1 × Turbosound PQ18B subwoofer
• User documentation

Why Choose the Turbosound PQ18B?

If you're looking for a subwoofer that delivers massive bass, high durability, and versatile application – the Turbosound PQ18B is the ideal choice. Whether you're working in live sound, installations, or touring, this subwoofer provides deep, controlled low-end and seamless integration with modern DSP systems.