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.
Speaker Type: Active Bassreflex Subwoofer
Frequency Response [-10dB]: 42 – 120 Hz
Max SPL: 138 dB
LF: 2x 18 ”
Voice Coil LF: 4 ”
Amp Technology: Digipro® G3
Amp Class: Class D
PRG Power: 2700 W
Limiter: Peak, RMS, Thermal
Crossover Frequency MF-HF: 90-100 Hz (Switchable)
LF-Xover out slope: 24 dB/Octave
Signal Input: 2x XLR
Signal Output: 2x XLR X-Over Out/ Link Out