Turbosound
Turbosound TQ-18B : 18″ Active Subwoofer
Turbosound TQ-18B : 18″ Active Subwoofer
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- Johannesburg, Cape Town, Durban, Pretoria: 2–4 business days after payment confirmation.
- Secondary cities and towns: 3–6 business days.
- Outlying and remote areas: 5–7 business days.
- Nationwide delivery options and terms are listed in our shipping policy.
Delivery timelines begin once full payment has been confirmed. All orders are shipped via fast, insured courier. You will receive a tracking number by email once your order is dispatched. View full shipping policy →
- EFT (Electronic Funds Transfer) — Direct bank transfer from any South African bank account. No additional fees. Orders confirmed within 1 business day of payment reflecting.
- Cross Border Transfer — For customers in SADC neighbouring countries (Lesotho, Zimbabwe, Mozambique, Namibia, Botswana, Eswatini). Invoices settle in ZAR; direct delivery is within South Africa only, and cross-border orders are handled on a collection/freight-forwarder basis.
- Wire Transfer — For international customers outside the SADC region. Proforma invoices are processed in ZAR value; direct delivery is within South Africa only, with collection/freight-forwarder arrangements required for export orders.
Orders are confirmed once payment reflects. Banking details are provided in your order confirmation email. View payment details →
- This item is listed as new, genuine, and includes VisionSounds warranty support.
- Warranty terms vary by product and are handled by VisionSounds. Contact us to confirm the exact coverage before ordering.
- Returns accepted within 7 days of receipt in original, unused condition with original packaging.
- Faulty or incorrect items: VisionSounds covers return shipping costs.
Feel every bass note with the Turbosound TQ-18B : 18″ Active Subwoofer by Turbosound. Engineered to complement full-range systems with deep, controlled low-frequency output that moves crowds and fills venues.
The TQ18B is a compact passive single 18″ 4,000 Watt (peak) subwoofer that is ideally suited for a broad range of speech and music sound reinforcement applications in both fixed, portable and touring audio systems. The TQ18B is designed to work in conjunction with Lake DSP and Lab Gruppen amplification, providing optimal FOH performance, as well as considerable flexibility to readily adapt to varying venue requirements. Multiple bass array configurations and all pre-sets are available to download.
Key Features
Cardioid-arrayable, reflex loaded single 18″ subwoofer for touring and installation applications
1000 Watts continuous, 4,000 Watts peak power
18″ neodymium low Frequency transducer
Designed for low frequency extension of TQ series
Seamless integration with Lab Gruppen amplifiers and Lake DSP for a complete system solution
Flexible cardioid configurations and electronic delay steering provide superior rear rejection and pattern control
Optimized tuning for extended low frequency impact and accurate transient response
Low distortion diverging Lense port (DLP) design for maximum sound pressure level
Integral feet secure ground stacking
Dual Integral M20 (3/4″ / 20 mm thread) pole mount socket to support satellite speaker configurations
15 mm (5/8”) & 18 mm (3/4″) plywood enclosure with extremely durable semi matte black paint finish
Neutrik SpeakON NL4 rear panel connector for input connection
Front-mounted NL4 connector for rear-firing cardioid operation
Specifications
Frequency response (±3 dB)¹ : 40 Hz – 120 Hz
Frequency response (-10 dB)¹ : 32 Hz – 200 Hz
Nominal dispersion (@ -6 dB points) : Omni
Power handling (IEC)⁴ : 1000 W continuous
Sensitivity (1 W @ 1 m) : 96.5 dB
Maximum SPL : 138 dB peak
Impedance : 8 Ω
Components : 1 x 18″ (460 mm) Neo LF driver
VisionSounds — South Africa's specialist in premium camera and audio gear. Fast delivery nationwide. Genuine warranty included.
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