MP-A3B
The MP-A3B is a 40W Class-D power amplifier supporting selectable 70V or 100V outputs for flexible installation across different regions. It features 2 stereo inputs, 1 digital input, and 1 balanced microphone input. Advanced functions include ducking, EQ control, and microphone mixing, while the MIC input supports condenser mics, dynamic mics, and line-level audio. It is ideal for commercial, educational, meeting, and public-address applications.
- Mono audio output at 40 watts
- Switchable between 70V and 100V.
- Ducking function
- 16 ID codes for controlling different MP-A3B amplifiers.
- 3-level MIC input; supports condenser microphone, dynamic microphone, and wireless microphone.
- MIC port can support balance/unbalance signal, suppress the external noise effectively
- Two stereo audio inputs and one digital audio input, switchable by button, IR remote & RS232
- Volume/Bass/Treble controllable by buttons, IR remote & RS232.
- Fast switching speed for good performance
| Input | 2 stereo audio, 1 MIC, 1 Digital fiber audio |
| Input Connector | 2 RCA 1 3.5mm jack 1 3-pole 3.81mm captive screw connector 1 SPF fiber connector |
| Input Impedance | >10KΩ |
| Audio General | |
| Frequency Response | 120Hz ~ 20KHz |
| SNR | 80dB (Max) |
| Rated Power Output | 40Watt @8Ohms |
| Voltage Gain | 26dB |
| Control Function | |
| RS232 Control | 1 3-pole 3.81mm captive screw connector |
| ID Code Control | 16 ID codes for control. |
| Optional | IR remote & TCP/IP controlled by PTNET(PTN's programmable interface) |
