dB Technologies
dB Technologies SUB 615 15″ 600W Active Subwoofer
dB Technologies SUB 615 15″ 600W Active Subwoofer
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Johannesburg & Pretoria: 2-3 business days
Cape Town: 2-3 business days
Durban: 3-4 business days
Other major cities: 3-5 business days
Remote & rural areas: 5-7 business days
Timeframes are measured from dispatch, not from order placement. Stocked items are dispatched within 1 business day of payment confirmation. Specialist and indent items are confirmed with a written dispatch date before your order is processed. Free nationwide delivery via insured courier.
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- 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 →
Supplied as an independent parallel import. Warranty is provided directly by VisionSounds — warranty claims are handled by us, not the manufacturer. This is in addition to your rights under the Consumer Protection Act, including the six-month implied warranty of quality.
Returns accepted within 30 days of receipt in the condition supplied, with all original packaging and accessories.
Faulty or incorrect items: free return shipping covered by VisionSounds.
Change of mind returns: customer responsible for return shipping costs.
No restocking fees. Refunds processed within 7 business days of inspection.
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Feel every bass note with the dB Technologies SUB 615 15″ 600W 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 615 15" 600W Active Subwoofer delivers powerful, precise low-end sound in a compact design. Featuring a robust 600W RMS Class D amplifier and a 15” transducer, it achieves an impressive maximum SPL of 131 dB. Its lightweight plywood cabinet ensures portability, while integrated controls allow for flexible configurations. Ideal for live performances and fixed installations, the SUB 615 provides exceptional audio quality, making it a valuable asset for any sound system.
600 W RMS Class D Amplifier: The dB Technologies SUB 615 is powered by a high-performance 600 W RMS Class D amplifier. This amplifier technology ensures high efficiency, allowing the subwoofer to produce impressive sound levels while minimizing heat generation. This means you can enjoy powerful bass without compromising on reliability or performance.
Selectable Stereo Balanced Input: The SUB 615 features selectable stereo balanced inputs that provide flexibility in connecting to various audio sources. This allows for seamless integration into existing sound systems, accommodating different setups such as mono or stereo configurations. Users can easily switch between input options, ensuring optimal performance tailored to their specific needs.
Link or Xover Balanced Stereo Output Mode: With the link or crossover balanced stereo output mode, users can connect multiple subwoofers or full-range speakers without the need for additional processing equipment. This functionality simplifies the setup process, enabling easy daisy-chaining of units while ensuring a coherent sound across all connected devices.
Compact and Sturdy Wood Cabinet: The SUB 615 boasts a compact yet robust plywood cabinet design. This construction enhances durability while keeping the subwoofer lightweight and easy to transport. The cabinet is built to withstand the rigors of live performance, ensuring longevity and consistent performance in demanding environments.
Lightweight Design: Weighing in at only 25.5 kg (56.22 lbs), the SUB 615 is designed for portability without sacrificing sound quality. Its lightweight structure allows for easy transportation and setup, making it an excellent choice for mobile DJs, live events, and installations.
Polarity Switch: The built-in polarity switch provides users with the ability to invert the phase of the subwoofer. This feature helps to achieve optimal sound coherence and integration with other speakers in the system. By adjusting the polarity, users can fine-tune the audio experience to fit the acoustics of their environment.
FLAT or BOOST Mode Switch: The FLAT or BOOST mode switch allows users to customize the low-frequency response based on their specific audio needs. In FLAT mode, the subwoofer delivers a natural sound profile, while BOOST mode enhances low-end frequencies for added punch and depth. This versatility makes the SUB 615 suitable for various musical genres and performance settings.
Specifications:
- Speaker Type: Active Subwoofer
Acoustical Data
- Frequency Response: [-10 dB] 42 – 124 Hz
- Max SPL (1 m): 131 dB
- Directivity: Omnidirectional
- LF Driver Size: 15″
- LF Voice Coil Diameter: 2.5″
Amplifier
- Amplifier Technology: SMPS digital amplifier
- Amplifier Class: Class D
- RMS Power: 600 W
- Peak Power: 1200 W
Processor
- Controller: 28/56 bit DSP
- Limiter: Peak, Thermal, RMS
Controls
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Controls:
- Subwoofer level
- Outputs mode
- Polarity
- Subwoofer mode (FLAT or BOOST)
Input/Output
- Signal Input: 2x XLR (balanced)
- Signal Output: 2x XLR (balanced)
Mechanics
- Housing: Plywood
- Grille: Full metal grid
- Pole Mount: M20
- Width: 430 mm (16.92 in)
- Height: 580 mm (22.83 in)
- Depth: 600 mm (23.62 in)
- Weight: 25.5 kg (56.22 lbs)
VisionSounds — South Africa's specialist in premium camera and audio gear. Fast delivery nationwide. Genuine warranty included.
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