Line Array Series

Line Array Series

The Beta Three® line array series is a series of outstanding rental and touring solutions for live entertainments, sports events, speech reinforcement, and other venues where a line array system is desired. The line array series contains various models consisting of active and passive models for horizontal and vertical deployment complemented by reliable flying equipment. Selected models are also available in the weatherproof version, making them ideally suited for any outdoor application requiring a line array system with state-of-the-art sound performance and optimal scalability.

TLA-121 - Dual 12" 2-way Line Array Speaker


Dual 12" 2-way Line Array Speaker

The Beta Three® TLA-121 is a large line array loudspeaker that can be utilized in applications includes sound reinforcement for Events, Theme Parks, Multifunctional Auditoriums, Schools etc. It is excellent for live show, rental applications.

The TLA Series line array loudspeaker delivers extraordinary performance where high quality is required at unmatched value.



  • Weatherproof version(TLA-121F) available(IP46)

  • High output SPL and sensitivity

  • 2 x 12” high power Neodymium transducers

  • 2 x 3” Neodymium compression drivers

  • Bi-amp configuration

  • Patented waveguide design

  • 2 x NL4 connectors

  • Computer aided design to optimise frequency and phase response

  • Cabinet design for FOH use

  • Suitable for use as a main system with or without sub speaker augmentation

  • 12 x TLA121 can be arrayed in a single vertical column

  • Trapezoidal cabinet with integrated flywear and locking pins makes assembly and disassembly easy

  • Rigging allows adjustment from 0°-10° in 1° increments

  • Powder coated grill

  • Durable Polyurethane textured base paint

  • For optimum performance use with a Beta Three® a digital speaker management processor


Acoustical specifications
Frequency Response(-3db):
LF: 90Hz-4kHz; HF: 900Hz-15kHz
Max SPL @ 1m:
LF: 131dB/137dB(PEAK); HF: 134dB/140dB(PEAK)
Dispersion (H x V):
LF: 110° x 90°; HF: 90° x 20°
Compression driver:
2 x 3" HF
2 x 12" LF
Input/Output section
Input Connectors:
2 x NL4 @ LF:1+ 2- HF: 3+ 4-
Sensitivity (1W @ 1m):
LF: 102dB; HF: 110dB
Power section
Total Power:
LF: 500W, HF: 100W(RMS); LF: 1000W, HF: 200W(MUSIC); LF: 2000W, HF: 400W(PEAK);
Nominal Impedance (Ohm):
Physical specifications
Cabinet/Case Material:
15mm 11 layers birch plywood
Appropriate frame with 3/4"shackle
2 x Wooden handles
Weather resistant polyurethane finish, black powder coating for grille.
Dimension (W x D x H):
960 x 372 x 523mm / (37.8 x 14.6 x 20.6in)
Package Dimensions (W x D x H):
700 x 1080 x 440mm / (27.6 x 42.5 x 17.3in)
Net Weight:
37 kg / 81.6 lb
Gross Weight:
43 kg / 94.8 lb

TLA-121 Application

    TLA-121 Installation

      TLA-121 Parts

        TLA-121 Collocation



            TLA-121β3 TLA-121 Datasheet 1.0TLA-121  200KB 2022-05-22 08:55:34
            β3_TLA-121_PA_Chinese_Manualβ3_TLA-121_PA_Chinese_Manual 1β3_TLA-121_PA_Chinese_Manual  5472.99KB 2018-07-12 02:25:39
            β3_TLA-121_PA_English_Manualβ3_TLA-121_PA_English_Manual 1β3_TLA-121_PA_English_Manual  3686.69KB 2018-07-12 02:25:39