Self-powered subwoofer system of high performance, equipped with two (2) speakers of 18" in a tuned enclosure. GTA 218 B 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.

It is excellent to be combined with GTA 2X8 L.A. GTA 1X12 L.A. or IT-A 212 P.A. which allows different configurations of high performance and SPL. 

It incorporates a Class D amplifier module of last generation Pro DG Systems GT 2.5, to amplify itself. Click here to see more information about GT 2.5.


Power Handling: 2400 W RMS (EIA 426A Standard) / 4800 W program / 9600 W peak.  

Nominal Impedance: 4 Ohm  

Average Sensitivity: 102 dB / 2.83 V / 1m (average of 50 - 1000 Hz wideband)  

Calculated Maximum SPL: / 1m 134 dB continuous / 137 dB program / 140 dB peak.  

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

Nominal Directivity: Omnidireccional.  

Low Frequency Driver: two (2) Beyma speakers of 18", 8 Ohm,1200 W, 485 mm in diameter with high temperature, glass fiber voice coil.  

Recommended Amplifier: Pro DG Systems GT 2.5 into the cabinet.  

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

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

Finish: Standard black paint job.  

Dimensions: (HxWxD); 520x1230x680mm (20,47”x48,43”x26,77”)

Weight: 92,9 Kg (204,81 lbs) net / 94,2 Kg (207,68 lbs) gross.