Two-Way Complex Conic Loudspeaker System

TRX Series loudspeakers employ advanced technology and application-driven engineering to bring live sound closer to the ultimate reference point: reality. Cutting-edge driver technology and unique innovations like our Complex Conic horns deliver natural sounding music and intelligible speech.

Versatile enclosure designs, combined with a wide range of mounting options and associated hardware, provide unrestricted flexibility for both portable and installed applications. Wherever audiences and operators demand superior performance and ease of use, TRX Series loudspeakers are the choice for unequalled value.


Two-Way Complex Conic Loudspeaker System

The TRX121 features a 15-inch Heavy-Duty LF driver with carbon fiber cone and a 1-inch Extended Range Titanium HF Driver.
All TRX Series systems are non-powered.

Key Features

• Compact Multi-Function Design
Outstanding, full-range 50 Hz to 18 kHz performance in a compact, multi-function enclosure.
• Exclusive Complex Conic Design
Complex Conic Horn provides superior pattern control with low distortion.
• Choice of Coverage Pattern
Complex Conic Horn provides smooth 60º by 40º or 90º by 40º coverage, may be rotated 90º within cabinet.
• 1″ Extended Range Titanium HF Driver
Provides smooth, low distortion high frequency performance to 18 kHz and beyond.
• Heavy-Duty 15-inch Woofer
With carbon fiber cone easily handles 700 Watts of program power.
• Built-in Crossover
Eliminates need for a separate electronic crossover and bi-amplification.


• Virtually any application where size is a critical issue and high output and outstanding sonic performance is required.

• Ideal for multi-channel playback systems in dance clubs (with optional subwoofers).

• Distributed sound reinforcement systems in sport arenas and stadiums.

• Side fill loudspeakers in sound reinforcement systems.

• High output floor monitors in live sound venues.


Technical Information

Sensitivity: 99 dB (1W/1m) @ 500 Hz
Max SPL: 127 dB Pgm, 130 dB Peak
Dispersion: (TRX151/6) 60° H x 40° V*
(TRX151/9) 90° H x 40° V*
Freq. Response: 50 Hz to 18 kHz
HF Driver: 1″ SSD202-8 driver, 40 W RMS, 80 W Pgm
LF Driver: 15″model SSL15-13 woofer, 3″ VC, treated fiber cone; 350 W RMS, 700 W Pgm
Crossover Point: 1.8 kHz
Power Rating: 700 W Pgm @ 8 Ohms
Enclosure: Multi-ply hardwood, perforated metal grille
Connectors: Screw terminals or Neutrik 4-pin connectors
Finish: Black, White or Natural (unfinished) paint
Custom color optional
Weather resistant optional (TuffTex (black only) or Fiberglass (custom colors available))
Hardware: 12-point Universal Mounting Hardware
Omnimount Series 120 nut-plate
Tripod socket & handles
Dimensions: 29 1/4″ H x 17 1/4″ W x 14 1/2″ D
(74.3 cm x 43.8 cm x 36.2 cm)
Weight: 53 Lbs (20 Kg) Net