dB Technologies
DB Technologies SUB 918 18″ 900W Active Subwoofer
DB Technologies SUB 918 18″ 900W 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.
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 neighboring countries (Lesotho, Zimbabwe, Mozambique, Namibia, Botswana, Eswatini). Order via checkout; invoices settle in ZAR via standard cross-border bank transfer.
- Wire Transfer — For international customers outside the SADC region. Complete checkout to generate a proforma invoice with Swift routing details. Payments are processed in ZAR value.
Orders are confirmed once payment reflects. Banking details are provided in your order confirmation email. View payment details →
- All products are genuine, brand new, and include applicable manufacturer or supplier warranty.
- Warranty periods vary by brand and product — typically 1 to 2 years. Contact us to confirm specific brand coverage.
- 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 DB Technologies SUB 918 18″ 900W Active Subwoofer by dB Technologies. Engineered to complement full-range systems with deep, controlled low-frequency output that moves crowds and fills venues.
The dB Technologies SUB 918 is a powerful 18" active subwoofer with a 900W RMS amplifier. It delivers deep, precise low frequencies with a maximum SPL of 134 dB. Designed for both portability and performance, this subwoofer features RDNet compatibility for remote control, making it ideal for live events and installations.
Active Bass-Reflex Subwoofers: The dB Technologies SUB 918 features an active bass-reflex design that delivers impressive sound quality and efficient low-frequency response. This design maximizes airflow, ensuring deep, full-bodied bass reproduction that enhances any audio setup.
900W RMS Digipro G3 Amp: Equipped with a powerful 900W RMS Digipro G3 Class D amplifier, the SUB 918 guarantees high efficiency and minimal distortion. This amplifier allows the subwoofer to achieve exceptional sound pressure levels, ensuring that your audio remains clear and impactful even at high volumes.
Up to 134 dB SPL: With a maximum sound pressure level of up to 134 dB, the SUB 918 is capable of delivering powerful bass in various environments. This high SPL rating makes it ideal for both live performances and permanent installations, providing the necessary impact for professional audio applications.
Real-Time Control via RDNet: The SUB 918 supports real-time monitoring and remote control through RDNet protocol. This feature allows users to make adjustments on the fly, optimizing the subwoofer’s performance to match the specific requirements of the venue or event.
On-Board Delay Control: On-board delay control allows users to set a delay of up to 4.5 milliseconds in 0.5-millisecond increments. This feature ensures precise synchronization with other speakers in the system, enhancing overall sound clarity and cohesion.
On-Board Crossover Point Control: The subwoofer features adjustable crossover point control, allowing users to select frequencies between 70 Hz and 110 Hz. This flexibility helps achieve seamless integration with full-range speakers, ensuring an optimal audio experience across the frequency spectrum.
Designed to Work Vertically or Horizontally: The versatile design of the SUB 918 enables it to be used in both vertical and horizontal configurations. This adaptability makes it suitable for various setups and environments, catering to the needs of different applications.
Integrated Top-Edge Handles: For enhanced portability, the SUB 918 includes integrated handles on the top edges of its cabinet. These handles make it easy to transport the subwoofer, ensuring that setup and breakdown at events are efficient and hassle-free.
2x M20 Threads on Top and Side: The subwoofer features two M20 threaded pole mounts on the top and side panels. These threads allow for secure mounting of full-range speakers, providing additional flexibility in system design and ensuring stability during operation.3
Specifications:
Technical Data:
- Speaker Type: Active Subwoofer
Acoustical Data:
- Frequency Response ([-10dB]): 42 Hz to cut frequency (Xover dependent)
- Max SPL (1 m): 134 dB
- LF (Low Frequency Driver): 18″
- LF Voice Coil: 4″
Amplifier:
- Amp Technology: Digipro G3
- Amp Class: Class D
- RMS Power: 900 W
- Peak Power: 1800 W
Processor:
- Controller: 28/56 bit DSP
- AD/DA Converter: 24 bit / 48 kHz
- Limiter: Peak, Thermal, RMS
- Crossover Frequency: Variable (70Hz, 80Hz, 90Hz, 100Hz, 110Hz)
Controls:
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Controls Include:
- 1x Subwoofer Attenuation Control
- 1x Delay Rotary Control
- 1x Crossover Rotary Control
- 1x Polarity Switch
Input/Output:
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Signal Input:
- 1x XLR female
- 1x USB (data service)
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Signal Output:
- 2x XLR male
Mechanics:
- Housing: Plywood
- Handles: 2 (1x side)
- Pole Mount: 2x M20 (1 on top + 1 on side)
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Dimensions:
- Width: 720 mm (28.3 in)
- Height: 530 mm (20.8 in)
- Depth: 690 mm (27.1 in)
- Weight: 41.8 kg (92.1 lbs)
VisionSounds — South Africa's specialist in premium camera and audio gear. Fast delivery nationwide. Genuine warranty included.
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