TOA A2120D

120W Class D Mixer Amp, 100V only output. 3x MIC inputs, Mic 1 VOX, 2x line.


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SKU: A2120D Categories: , Tag:


The TOA A2120D is a high performance mixer power amplifiers suited for broadcasting paging or background music in houses of worship, schools, offices, shops and factories. Equipped with balanced microphone inputs for better isolation from external noise, compared to unbalanced inputs, the TOA A2120D is suitable for AC operation and comes with 120W rated power output and 34W power consumption. It is finished with a scratch and fingerprint-resistant surface for easy handling as well as quick volume control with master volume knob.


  • 3 microphone inputs, 2 AUX input and 1 recording output
  • Speaker output of constant voltage distribution system (100 V)
  • Independent tone control of boost and cut type for both high and low frequency
  • MIC 1 with phantom power and mute function
  • Current limiter to prevent damage due to current overload
  • Excess heat limit to protect the transistor and power transformer
  • Finished with a scratch and fingerprint-resistant surface for easy handling

Use MB25B (sold seperately) for rackmounting.

Note this is the new Class D model with the following differences over the analogue models;

  • VOX muting on mic 1
  • High (100V line) output only – no low impedance output
  • 240VAC operation only


Power Source 220 – 240 V, 50/60Hz
Rated Output 120 W
Power Consumption 34 W (AC operation at 1/8 maximum output without clip)
Frequency Response 50 – 20,000 Hz, ±3 dB
Distortion Under 1% at 1 kHz, 1/3 rated power
Input MIC 1-3: -60 dB*, 600 Ω, balanced, 3P XLR
AUX 1-2: -20 dB*, 10 kΩ, unbalanced, RCA pin jack
Output Speaker out: Balanced (floating)
High impedance: 83 Ω (100 V)
Rec out: 0 dB*, 600 Ω, unbalanced, RCA pin jack
Phantom Power DC +21 V (MIC 1)
S/N Ratio Over 60 dB
Tone Control Bass: ±10 dB at 100 Hz
Treble: ±10 dB at 10 kHz
Muting MIC 1: Mutes other input signals by 0-30 dB attenuation
Indicator Power LED, peak LED, signal LED
Finish Panel: ABS resin, black
Case: Steel plate, black
Dimensions 420 (W) × 100.6 (H) × 280.3 (D) mm (16.54″ × 3.96″ × 11.04″)