dB Technologies Sigma S218 active double 18 inch subwoofer.
The SIGMA series is a fully integrated range of products for professional use, setting a new standard in the field of live amplification
The new SIGMA S218 is an active bass reflex subwoofer that comes as the perfect matching for SIGMA S115 F, ensuring the best behaviour as a full-range cluster both for live and installed applications.
It is equipped with two 18″ woofers (4″ voice coil) and a CLASS D Digipro G3 2700 W PRG Power. The double input and output allows a mono or stereo configuration.
On-board Phase and Delay controls allows to precisely configure the system in every situation to make the most of a powerful yet precise PA system.
Technical Data
Speaker Type: Active Bassreflex Subwoofer
Acoustical data
Frequency Response [-10dB]: 42 – 120 Hz
Max SPL: 138 dB
Directivity: omnidirectional
LF: 2x 18 ”
Voice Coil LF: 4 ”
Amplifier
Amp Technology: Digipro® G3
Amp Class: Class D
PRG Power: 2700 W
Processor
Controller: Analog/Digital
Limiter: Peak, RMS, Thermal
Crossover Frequency MF-HF: 90-100 Hz (Switchable)
LF-Xover out slope: 24 dB/Octave
Input
Signal Input: 2x XLR
Signal Output: 2x XLR X-Over Out/ Link Out
