The TRx2121 is a compact high Q sub-subwoofer design to add extended ultra-low frequencies to any system. Effective for both permanent and portable applications, coupled with the TRx3210 Line array elements provides very powerful extended full range system. The TRx1121 features added foot holes for stacking up to four and dual pole mounts for suspending up to two TR3210s. And third centered pole mount for a TRX12 or TRX115.
The TRx2121 is our finest single 21-inch Subsubwoofer system. The high power, larger format 21-inch woofer features a 4-inch voice coil with high peak power capacity. The box is designed with four large corner located ports producing a coherent sub frequency output vertically and horizontally. This makes the idea low frequency coupling in multi box clusters both in the horizontal and vertical directions.
The TRX2121 features foot locating holes on top for stacking another TRx2121 and for stacking up to 4 TRx3210 line array elements without hardware. Three top pole mounts feature 16" spaced dual pole system for suspending two TRx3210 speakers, and a single centered pole mount for suspending a TRx115 or TRx12.
The enclosure is constructed of CNC machined 13-Ply Premium Russian Baltic Birch with heavy gauge steel powder coated front grills. The crossover includes 4 pin NL4 Speakon connectors mounted on FR4 double sided circuit boards for solid construction and durability.
- Theme parks
- House of worship and concert halls
- Medium-to-large theaters and clubs
- Outdoor concerts and street festivals
Made in the USA.
System Type: 21-inch Sub, bass-reflex
Frequency Response: 20 Hz - 1.5K Hz (-10DB); 30 Hz - 1k Hz (-3 dB)
Coverage Pattern: Omni
Crossover: none internal
Crossover Frequency: recommended 80-120 Hz
Power (Full Range): 1000W Continuous / 2000W Program / 4000W Peak
Recommended Amplifier Power: 1100W - 2400W
Sensitivity (1w @ 1m): 97dB
Maximum SPL: 127dB Cont/ 133dB Peak
LF Driver: 21-inch, 4-inch VC, woofer
Nominal Impedance Full Range: 4 ohms
Enclosure: 13-Ply Russian Baltic Birch
Suspension/Mounting: Top: 3 x 1-3/8-inch Pole Mount Cups, Foot receivers for TRx3210
Finish: Black DuraTex™
Transport: 2 Recessed Handles
Grill: Black powder coated steel, Acoustically Transparent Foam Backing
Connectors: Two NL-4 Neutrik Speakon
Dimensions: 23.5" high x 23.5" wide x 23.5" deep (600mm x 600mm x 600mm)
Net Weight: 80 lb (37 kg)
Made in San Diego, California