Show – MA-4120


Show – MA-4120

  • Technical Specifications



  • 4 independent channels
  • 4 zone selectors for each output CH with LED indicator
  • 5 sets of gain, treble, bass and volume controls
  • 5 groups VU meter for output and 2 RCA inputs
  • 4 XLR+1/4 TRS combo input and 1 RCA input
  • Telephone paging function, and monitor output
  • Priority of Input 1. VOX mute function
  • Input matrix
  • Output Impedance:4Ω, 8Ω.
  • Hihg Output  Voltage: 25V, 70V, 100V
  • Power Output RMS 120W x 4 at 4Ω
  • Intelligent colling fan
  • 19″ Rack mount type (3U size)


MODEL  MA-4120
Power Supply AC 115V / 60Hz or AC 230V / 50Hz Selectable
Inputs CH1-4:MIC. / Phantom: -50dBv; Line:-10dB balance;
CH4-5:-10dB unbalance;
Telephone paging:-10dBv
Frequency Response 60-17000Hz-3dB
Tone Control Treble:±10dB at 10KHz; Bass:±10dB at 100Hz
T.H.D. ≦1%
S/N Ratio MIC≧60dB;Line>70dB; Tell.>60dB
Priority for Input 1 MUTE CH2-5
Output Impedance 4Ω, 8Ω
Output Constant Voltage 25V, 70V, 100V
Power Output RMS. 120W x 4 at 4Ω
Monitor Output 1W RMS
Phone Output 0.5W into 47Ω
Indicate LED 5VU mtrs (LED type); 1 Power indicator; 5 Mute indicators
Dimension(WxDxH) 483 x 132 x 444 mm (19″ x 5.2″ x 17.48″)
Weight (Approx.) 20.5 kg (45.2 lb)