dBTechnologies SIGMA Series

Digital Active Speakers & Subwoofers

SIGMA S215

Quasi 3-Way Active Speaker

A dynamic stage setup with elaborate lighting structures and a live audience.

Many venues demand high SPL and low-ranging response. However, a fullrange enclosure is often the only viable option for some of these applications. Loaded with two 15" woofers designed to handle considerable loads, the S215 is the solution of choice for such scenarios.

Technical Data

Speaker TypeQuasi 3-Way Active Speaker
Frequency Response [-10dB]42 - 20,000 Hz
Max SPL139 dB
HF Driver1.4" Titanium Compression driver, 2.8" Voice Coil
Directivity60 x 40°
HornCD Horn
LF Drivers2x15" (with phase plug), 3" Voice Coil
Amplifier TechnologyDigipro® G2
Amplifier ClassClass D
Power PRG1400 W
Peak Power2800 W
Processor ControllerDSP 24bit/48kHz
System PresetsFlat, Boost
LimiterDual Active Peak, RMS, Thermal
Crossover Frequency MF-HF1100 Hz
Slope MF-HF24 dB/Octave
HousingMultiplex with H.E.T coating, reinforced
Width509 mm (20.36 in)
Height1215 mm (48.6 in)
Depth533 mm (21.32 in)
Weight50 kg (110.23 lbs)

H.E.T™ Housing

Exceptionally light and remarkably rugged. Developed by dBTechnologies, H.E.T (Hybrid Enclose Technology) housings are made of premium quality multiply wood with a hardwearing, durable, and scratch-resistant coating. Tough, rugged plastic side panels provide excellent protection for the housing as well as integrated grips and electrical connectors for utmost handling convenience and safety.

Diagram showing the SIGMA S215 speaker configuration.

Illustration of SIGMA S118 subwoofer stacked with SIGMA S215 speaker.

SIGMA S115

2-Way Active Speaker

This active 15"/1.4" two-way system is musicians and DJs' first choice in a fullrange FOH speaker. The S115's reach is remarkable thanks to its assertive midrange, prominent top end, and constant directivity at high sound pressure levels.

Technical Data

Speaker Type2-Way Active Speaker
Frequency Response [-10dB]46 - 20,000 Hz
Max SPL133 dB
HF Driver1.4" Titanium Compression driver, 2.8" Voice Coil
Directivity60 x 40°
HornCD Horn
Rotable HornYES
LF Driver15", 3" Voice Coil
Amplifier TechnologyDigipro® G2
Amplifier ClassClass D
Power PRG1000 W
Peak Power2000 W
Processor ControllerDSP 24bit/48kHz
System PresetsFlat, Boost
LimiterDual Active Peak, RMS, Thermal
Crossover Frequency MF-HF1100 Hz
Slope MF-HF24 dB/Octave
HousingMultiplex with H.E.T coating, reinforced
Width509 mm (20.36 in)
Height765 mm (30.6 in)
Depth533 mm (21.32 in)
Weight33 kg (72.75 lbs)

Digital processing for professional sound

The integrated digital sound processor allows the final touches to be made to your sound, rounding it out to a warm, natural tone with powerful bass and sparkling high frequencies. A variety of signal processing presets allows you to achieve your perfect sound with the minimum of fuss. All in all, the SIGMA series is a fully integrated range of products for professional use, setting a new standard in the field of live amplification and quite unique amongst its competitors.

Diagram showing the SIGMA S115 speaker configuration.

Illustration of two SIGMA S118 subwoofers stacked with one SIGMA S115 speaker.

SIGMA S118

Active Subwoofer

The S118 is a powerful, active 18" subwoofer housed in a bassreflex enclosure. Designed specifically to provide low-frequency support for high-performance S115 fullrange speakers, it packs a mighty low-ranging bass punch. S118 and S115 enclosures have the same width so they are easily stacked to set up professional-grade PA systems.

Technical Data

Speaker TypeActive Bassreflex Subwoofer
Frequency Response [-10dB]32 - 110 Hz
Max SPL134 dB
LF Driver18", 4" Voice Coil
Amplifier TechnologyDigipro® G2
Amplifier ClassClass D
Power PRG1400 W
Peak Power2800 W
Processor ControllerAnalog/Digital
LimiterPeak, RMS, Thermal
Crossover Frequency80-100 Hz (Switchable)
LF-Xover out slope24 dB/Octave
Input SignalXLR
Input Sensitivity-3dBu
Signal Output1x XLR X-Over Out/ Link Out
HousingMultiplex with H.E.T coating, reinforced
Width509 mm (20.36 in)
Height815 mm (32.6 in)
Depth533 mm (21.32 in)
Weight38 kg (83.78 lbs)

Engineered for portability

Musicians and DJs who provide their own backline need a reliable sound system that sets up in a flash and is easily tweaked without a lot of fuss. It has to respond directly and predictably to every mix. Live acts need resilient speakers with lots of load handling capacity and the staying power necessary to operate at high levels for hours on end. The rig has to deliver tight, punchy bass response that gets people dancing as well as assertive mids and a sparkling top end. And it has to be easy to handle. The SIGMA line does all this and more.

Diagram showing the SIGMA S118 subwoofer configuration.

Illustration of SIGMA S118 subwoofer stacked with SIGMA S115 speaker.

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