Turbosound PQ18B Passive Subwoofer 18 inch

The Turbosound PQ18B is a high-performance passive subwoofer designed for professional sound reinforcement applications. Featuring an 18" high-excursion driver and a robust birch plywood enclosure, it delivers deep, powerful bass with exceptional clarity and impact. Ideal for live sound, fixed installations, and portable PA systems, the PQ18B offers reliable performance and versatile setup options.

Advantages

High power handling of 600 W RMS (2400 W peak) ensures headroom for demanding audio content. The 18" driver provides extended low-frequency response down to 35 Hz, while the 98 dB sensitivity maximizes amplifier efficiency. Durable construction with 18 mm birch plywood and semi-matt black finish withstands the rigors of touring and installation.

Suitable for

• Live music venues and clubs
• Portable PA systems for bands and DJs
• Fixed installations in theaters, houses of worship, and conference centers
• Subwoofer arrays for large-scale events

Key specifications

• System Type: Passive Subwoofer
• Driver Size: 18" (460 mm)
• Frequency Response (±3 dB): 35 Hz - 150 Hz
• Power Handling (RMS): 600 W
• Power Handling (Peak): 2400 W
• Nominal Impedance: 8 Ohms
• Sensitivity (1W/1m): 98 dB
• Maximum SPL (Peak): 132 dB
• Connectors: 2 x Neutrik speakON NL4
• Enclosure Material: 18 mm (3/4") Birch Plywood
• Finish: Black Semi-Matt Textured Paint
• Grille: Powder-Coated Perforated Steel
• Pole Mount: 35 mm Standard Pole Socket
• Rigging Points: M10 Threaded Inserts
• Voice Coil Size: 4" (100 mm)
• Recommended Crossover: 80 Hz - 120 Hz (external processing required)
• LF Driver Type: High Excursion
• Product Series: PQ Series

Recommendations

For optimal performance, use with an external crossover and amplifier rated for 8 Ohm loads. Pair with Turbosound full-range speakers for a complete system.