Self-powered subwoofer system of high performance, equipped with one (1) speaker of 18" in a tuned enclosure. It is an excellent low reinforcement for all the systems from the GTA Series. The perfect solution for P.A. in outdoor events and permanent installation where it is necessary high performance and SPL. Since it is a subwoofer system, the transducer configuration generates an omnidirectional audio projection.

GTA 118 B SW incorporates a Class D amplifier module of last generation Pro DG Systems GT 4.0 to amplify itself and another passive unit GT 118 B in addition to two (2) GT 2X8 L.A. / two (2) GT 1X12 L.A. / two (2) IT 1M6 L.A. / two (2) IT 112 P.A. or up to four (4) IT 2M6 L.A. passive in slave mode.

Click here to see more information about GT 4.0.  

DSP Software is available. Click here to redirect to the download link of this software. Consult our Technical Service for more information.

Dolly board and protection cover for transport 2 units GTA 118 B SW is available. 


Power Handling: 1200 W RMS (EIA 426A Standard) / 2400 W program / 4800 W peak..  

Nominal Impedance: 8 Ohm  

Average Sensitivity: 100 dB / 2.83 V / 1m (average of 50 - 1000 Hz wideband)  

Calculated Maximum SPL: / 1m 131 dB continuous / 134 dB program / 137 dB peak.  

Frequency Range: +/- 3 dB from 40 to 100 Hz.  

Nominal Directivity: Omnidirectional.  

Low Frequency Driver: One (1) Beyma speaker of 18", 8 Ohm, 1200 W, 485 mm in diameter with high temperature, glass fiber voice coil.  

Recommended Amplifier: Pro DG Systems GT 4.0 into the Cabinet.  

Connectors: 2 X XLR + 1 NL4MP speakon connectors. USB-Ethernet + 2 X Powercom.  

Acoustic Box: CNC model, 18 mm made from birch wood plated on the exterior.  

Finish: Standard black paint job.  

Dimensions: (HxWxD); 520x715x605mm (20,47”x28,15”x23,82”)

Weight: 54,5 Kg (120,15 lbs) net / 55,8 Kg (123,08 lbs) gross with packaging.