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dBTechnologies SUB 615 - Active Subwoofer
The dBTechnologies SUB 615 is a professional active bass-reflex subwoofer, equipped with a 15-inch low-frequency driver with a 2.5" voice coil and a 600W RMS Class D amplifier (1200W peak). The device generates a maximum sound pressure level of 131 dB, ensuring powerful and precise reproduction of low frequencies. The subwoofer offers balanced Xover outputs with the option to select True Bypass or Xover mode, a polarity switch, and a Sub Mode that boosts low frequencies. The lightweight plywood enclosure (25.5 kg) with a metal grille and M20 thread for mounting speakers makes it an ideal solution for PA systems, concert sound reinforcement, and stage installations.
Product available: 5 pcs
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EUR578.53
Product attributes
Model :
SUB 615
SKU :
SUP_nj10
Warranty :
2 years
Producent :
dB Technologies
Weight without package:
35.5 kg
Bluetooth :
NO
XLR Input :
YES
Power Amp :
600 W
LF Driver Size :
15"
Color :
Czarny
Powered :
active
Power configuration :
basowy: klasa D
Effects :
DSP, limiter
Enclosure material :
18mm plywood
Mounting options :
Boczne uchwyty do przenoszenia, Fly Points
Frequency response From (Hz) :
42
Frequency response to (Hz) :
124
Product Description
Details
dBTechnologies SUB 615 — Active Subwoofer for Professional Sound Reinforcement Systems
The dBTechnologies SUB 615 is a technologically advanced active stage subwoofer that combines impressive output power with a compact bass-reflex enclosure. Equipped with a 15-inch low-frequency driver featuring a 2.5-inch voice coil and a modern 600W RMS Class D SMPS amplifier (1200W peak), this subwoofer delivers a maximum sound pressure level of 131 dB. This combination makes the device perform excellently in both small clubs and large concert stages, providing clean, deep, and dynamic bass sound that enhances every musical performance.
Product Features
The dBTechnologies SUB 615 subwoofer stands out with a range of professional features that make it a versatile tool for live sound reinforcement:
- 600W RMS / 1200W Peak — powerful Class D amplifier with SMPS technology ensures high energy efficiency
- 131 dB Max SPL — impressive sound pressure level in a compact enclosure
- 15-inch LF driver with 2.5" voice coil — precise reproduction of low frequencies from 42 Hz
- Balanced Xover outputs — built-in crossover eliminates the need for external processors
- Sub Mode — EQ switch for boosting the lowest frequencies
- Plywood enclosure — lightweight (25.5 kg), durable with a scratch-resistant coating
- Full metal grille — protects the driver in challenging stage conditions
- M20 thread — allows full-range speakers to be mounted on the subwoofer
Professional Capabilities for Demanding Audio Productions
The SUB 615 subwoofer was designed with professional PA systems in mind, where reliability and sound quality are paramount. Thanks to the built-in crossover with balanced Xover outputs, the user can build a complete sound reinforcement system consisting of one subwoofer and two full-range speakers — without the need for additional processors or external crossovers. The amplifier panel offers intuitive control: Mono/Stereo mode switch, polarity inversion, and output mode selection (True Bypass or Xover). The built-in 28/56-bit DSP processor with limiters (Peak, Thermal, RMS) protects the driver from damage, ensuring long-term and trouble-free operation of the device under the most demanding conditions.
Applications
- PA Systems — stage subwoofer for concerts, events, and corporate parties
- Live sound reinforcement — professional sound reinforcement for vocals and instruments
- Subwoofer stacks — capability to stack subwoofers for larger systems
- Fixed installations — clubs, bars, conference rooms requiring powerful bass
- Mobile DJ — portable sound reinforcement with strong low-frequency support
- Large concert systems — in combination with dBTechnologies full-range speakers
Detailed Technical Specifications
- Type: Active bass-reflex subwoofer
- LF Driver: 1x 15" (2.5" voice coil)
- Amplifier Technology: SMPS digital amplifier
- Amplifier Class: Class D
- RMS Power: 600 W
- Peak Power: 1200 W
- Frequency Response [-10dB]: 42 — 124 Hz
- Max SPL (1 m): 131 dB
- Directivity: Omnidirectional
- Processor: DSP 28/56 bit
- Limiter: Peak, Thermal, RMS
- Audio Inputs: 2x XLR (balanced)
- Audio Outputs: 2x XLR (balanced)
- Control: Subwoofer level, Outputs mode, Polarity, Subwoofer mode
- Mounting Thread: M20
- Dimensions (WxHxD): 430 x 580 x 600 mm
- Weight: 25.5 kg
Materials and Construction
The enclosure of the dBTechnologies SUB 615 subwoofer is made of high-quality plywood, which provides excellent acoustics while maintaining a lightweight structure. The surface is covered with a scratch-resistant black finish, protecting the subwoofer from daily stage wear and tear. The full metal grille effectively protects the 15-inch driver from mechanical damage. Side transport handles facilitate moving the device, and the specially designed top enclosure profile allows for safe stacking of subwoofers in larger system configurations.
Package Contents
- dBTechnologies SUB 615 Active Subwoofer
- Power cable
- User manual
Summary
The dBTechnologies SUB 615 is a subwoofer that proves that professional sound reinforcement does not have to be a compromise between power and mobility. The compact enclosure, advanced Class D amplifier, powerful 15-inch driver, and built-in crossover features make it an ideal choice for sound engineers, DJs, and rental companies looking for a reliable stage subwoofer. Whether you are building a compact mobile system or an elaborate concert installation — the SUB 615 will deliver powerful, precise bass that adds depth and impact to your productions.
Shipment
Product delivery details dBTechnologies SUB 615 - Active Subwoofer
Shipment from Warsaw, Poland.
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Product faq
dBTechnologies SUB 615 - Active Subwoofer - Frequently asked questions.
What is the amplifier power of the dBTechnologies SUB 615 subwoofer?
The subwoofer is equipped with a 600W RMS SMPS Class D amplifier, ensuring powerful and clean bass sound.
What is the maximum sound pressure level (SPL) of this model?
The device achieves an impressive maximum sound pressure level of 131 dB, despite its compact enclosure.
What size low-frequency driver does the SUB 615 have?
The system is equipped with one 15-inch low-frequency (LF) driver with a 2.5-inch voice coil.
Does the subwoofer require an external processor or crossover?
No, thanks to the built-in balanced crossover output (Balanced Xover), you can build PA systems with one subwoofer and two full-range speakers without needing external devices.
What are the operating frequency ranges of this subwoofer?
The operating frequency range (at -10dB drop) is from 42 Hz to 124 Hz.
Does the device have a low-frequency boost function?
Yes, the SUB 615 is equipped with a Sub Mode switch that allows for low-frequency boost.
What signal connectors are on the rear panel?
The subwoofer has two balanced XLR inputs and two balanced XLR outputs.
Is the enclosure easy to transport?
Yes, the enclosure is made of lightweight plywood, which, combined with compact dimensions, facilitates transport.
What protections does the amplifier have?
The amplifier is equipped with peak, thermal, and RMS limits to protect the device from damage.
Can a full-range speaker be mounted on this subwoofer?
Yes, the enclosure has an M20 thread for mounting a full-range speaker on a pole.
What is the directivity of the sound radiation?
The subwoofer features omnidirectional (all-direction) directivity.
Does the device contain a DSP processor?
Yes, the system uses a 28/56-bit DSP processor to optimize sound.
What is Balanced Xover?
This is a balanced crossover signal output that allows full-range speakers to be connected directly to the subwoofer, eliminating the need for an external crossover.
What are the main applications of this subwoofer?
The device is ideal for PA systems for concerts, clubs, and events requiring precise and powerful bass.
How many full-range speakers can be connected to one SUB 615?
The manufacturer recommends building a system with one subwoofer and two full-range speakers.
What is the enclosure type?
The subwoofer has a bass-reflex design, which improves low-frequency performance.
Does the speaker have a metal protective grille?
Yes, the enclosure has a full metal grille, ensuring speaker protection.
