Self-powered subwoofer system of high performance, equipped with two (2) speakers of 21" in a tuned enclosure. GTA 221 B is an excellent low reinforcement for all the systems from the GTA Series. It is 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 2X12 L.A. or GTA 2X15 L.A. to create different configurations of high performance and SPL.

GTA 221 B incorporates a Class D amplifier module of last generation Pro DG Systems GT 4.0. 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 221 B is available.


Power Handling: 3000 W RMS (EIA 426A Standard) / 6000 W program / 12000 W peak. Nominal Impedance: 4 Ohm Average Sensitivity: 102 dB / 2.83 V/1m (average of 50 - 1000 Hz wideband) Calculated Maximum SPL: / 1m 135 dB continuous / 138 dB program / 141 dB peak. Frequency Range: +/- 3 dB from 30 Hz to 100 Hz. Nominal Directivity: Omnidirectional. Low Frequency Driver: two (2) Beyma speakers of 21", 8 Ohm, 1500 W, 540 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 18 / 24 mm made from birch wood plated on the exterior. Finish: Standard black paint job. Box Dimensions: (HxWxD); 635x1465x840mm (25,00”x57,67”x33,07”)

Weight: 115,6 Kg (254,85 lbs) net / 116,9 Kg (257,72 lbs) gross.