PA Amplifier -4 channel matrix mixer audio amplifier with 4x120W outputs. All inputs and outputs can be matrix selected and mixed - integrated 4 channel PA audio solution with Mp3 player for hotel, shopping mall, warehouse, factory, entertainment and conference venues, etc.  Paging system, PA audio, public address and sound systems.

Each input can be easily routed to different zones via the front panel selector, and each input is provided with separate bass, treble and volume control for precise sound control for each zone. Three Combo Mic/Line inputs with selector and phantom power support both phone jack and XLR connection. Two RCA type line inputs, built-in Mp3 player on the front panel, one telephone system input and one RJ45 port for a remote PA paging microphone T-4012 are also provided.

RS232 serial communication port is supplied for third party system integration. A priority input can be used to override all other inputs so PABX paging can be incorporated. A built in monitor is included for room monitoring use. 4 separate channels of line inputs and speaker outputs are provided for easy wiring. 70V, 100V and 4ohm speaker outputs all are supplied for versatile loudspeaker matching. Extensive protection from thermal, short-circuit, clip and Overload and a 3 year guarantee backed up in Auckland, New Zealand by Edwards


  • Four channel PA audio amplifier in a 3U 19” rack mount design
  • All source inputs matrix assignable to 4 zones of outputs simultaneously
  • 5 input channels & Mp3 input have separate bass, treble and volume control
  • Three microphone/line inputs have phantom power and gain control
  • Two aux inputs via RCA with gain control
  • Mp3 player with SD and USB inputs, separate power supply
  • One 4 zone remote microphone input via RJ45 port
  • Four line inputs and speaker outputs
  • Versatile speaker outputs for all four channels: 70V, 100V and 4 ?
  • RS232 serial control port for third party system communication
  • Priority input overrides other inputs
  • Input priority level from high to low: remote mic, priority input &Tel input & Mic1
  • Built-in monitor with volume control
  • Extensive protection of thermal, short-circuit, clip and overload with indicators
  • Ground lift switch
120 watt x 4 100V/4ohm Mixer / PA Audio Amplifier with USB

4 channel audio amplifier matrix solution with Mp3 player for a variety of sound reinforcement and public address situations.




Power Output



Speaker output

70V, 100V &  4Ω

Monitor output

1W /8Ω

Input Sensitivity & Impedance

CH1, 2, 3: ±2.5mV/600Ω - 175mV/10KΩ, (Balanced)

CH5-6: 350mV/10KΩ, (Balanced)

TEL: 350mV/10KΩ


Tone Control

Bass: ±10dB at 100Hz

Treble:±10dB at 10KHz

S/N Ratio


LINE1-4 Output

1V/ 600Ω (Balanced)

Frequency Response

80-16KHz (0/-3dB )


Support MP3 format, max capacity of 32GB

SD Input

FAT16 & FAT32, support disk one zone, does not support folders.  Supports up to 2G-1 bytes file size

The maximum number of playable files is 65534

Sorts and plays up to 100 files in the order of UNICODE

Mp3 Format

Supports MPEG audio 1, 2 and 2.5. Supports Layer 1, 2and3 Supports sample rates 8k, 16k, 32k, 11.025k,22.05k, 44.1k, 12k, 24k and 48kHz

Supports bit rate 8 to 320 kbps and VBR (Variable Bit Rate).Except free format



Power Consumption




Power Supply








For shipping: Each carton 21.5kg, 54 x 54 x 22cm


4 Channel Matrix Amplifier, 120w x 4 mixer

  • Product Code: T-4120MP
  • U.O.M: ea
  • Was: $2,495.00 Now: $2,150.00 (GST Excl.)

Need any help or advice?

We're always available to offer advice on any of your requirements or orders.
Just drop us a line, or leave us your: