MP-A250B is a compact-size digital amplifier (Class-D) with 3 inputs (1 L+R stereoaudio, 1 analog audio, 1 optical fiber audio). It features switchable stereo or mono output, and boasts complete EQ adjustment and intuitive work status display, making it an ideal addition to a classroom or conference room application.

  • 3 audio inputs: 1 L+R stereo, 1 analog, 1 optical fiber
  • Switchable stereo / mono output
  • Complete EQ management: including LINE, BASS, TREBLE
  • Easy volume adjustment via a rotary knob
  • Audio loop output
  • Intuitive LED indicators for input source, control and volume setting
  • Controllable via RS232, IR, TCP/IP (optional)
  • Web-based GUI
  • Power off memory
Input Output
Input Signal 1 x L+R stereo audio
1 x 3.5mm analog audio
1 x Optical Fiber audio
Output Signal 1 x LOOP
2 x Stereo audio/ 1 Monoaudio
Connectors 2 x RCA
1 x 3.5mm TRS plug
Connectors 1 x 3.5mm jack
1 x 4-pin 5.08mm connector
Control Ports 1 x RS232 (3-pin pluggable terminal block)
1 x IR IN (3.5mm female)
1 x TCP/IP (RJ45 female, optional)
Panel Control Front panel buttons& rear panel switcher
SNR 80dB THD+ Noise 1%@1KHz 50W
Separation 75dB 20Hz~20KHz Damping
Voltage Gain 32dB Output Power 1×100W@4Ω/2×50W@8Ω
Power Supply DC 33V 4A Power Consumption 1.48W
Work Temperature 0~50℃ Reference Humility 10%~90%
Dimensions (W*H*D) 148 x44 x165 mm Weight 0.72kg