Behringer MA400 Monitor Headphone Amplifier

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  • Compact Headphone Amplifier Designed For Studio & Stage
  • Personal Mixer Allows For Microphone & Monitor Signal Mixing
  • Ideal For Vocalists Wanting To Monitor Their Own Performance
  • Flexible Mic In & Through Connectors Plus Ground Lift Switch
  • Powerful Headphone Output With Both 1/4'' 1/8'' Jack Connectors

Behringer MA400 Monitor Headphone Amplifier

The Behringer MA400 Monitor Headphone Amplifier is designed to increase the presence of vocalists and is ideal for both studio and stage applications. The amplifier allows users to mix a microphone and a monitor signal and be able to hear them through headphones with either a 1/4-inch or 1/8-inch jack. With mic in and mic through connectors, there may be some hum or unwanted noise but this is eliminated via an integrated ground lift switch. The MA400 also includes dedicated monitor level controls and a mono/stereo switch so vocalists can control their sound.

Product Ref: 21931

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Full Description

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  • Ultra-compact monitor headphone amplifier ideal for studio & stage applications
  • Personal mixer with mic mixing & monitor signal
  • Flexible mic in & mic through connectors plus ground lift switch
  • Stereo monitor input with dedicated monitor level control & mono/stereo switch
  • High-power headphone output on 1/4'' & 1/8'' jack connectors
  • Includes DC 12 V adaptor


  • Mic Input
    • Type: XLR Connector
    • Impedance: Approx 2kΩ (Balanced)
    • Max Input Level: -18 dBu
    • CMRR: Typically 40 dB, >50 dB @ 1kHz
    • Gain: 40 dB
    • Bandwidth: 15Hz - 25kHz
  • Mic Thru
    • Type: XLR Connector
  • Monitor Input
    • Type: 1/4'' TRS or 1/4'' TS Connector
    • Gain: 10 dB
    • Bandwidth: 10Hz - 80kHz
  • Phones Output
    • Type: 1/4'' and1/8'' TRS Connectors
    • Impedance: Min. 30Ω
    • Max Output Level: Approx +10 dBu (60 mW) @ 100Ω Load
  • System Specifications
    • THD: 0.005 Percent Typ. (100Ω Loading)
    • Signal-To-Noise Ratio: -90 dBu @ 0 dBu, A-Weighted
  • Power Supply
    • USA/Canada: 120V, 60Hz
    • China/Korea: 220V, 50Hz
    • UK/Australia: 240V, 50Hz
    • Europe: 230V, 50Hz
    • Japan: 100V, 50/60Hz
  • Power Consumption: Approx 2W
  • Weight: 380 g
  • Dimensions
    • Height: 47 mm
    • Width: 64 mm
    • Depth: 103 mm
Your order may contain items that use a 240V UK plug
Any electrical items in your order may have been designed to work with a 240V circuit, using a United Kingdom G type plug connection. An adapter or transformer may be required for these items to work properly and safely in your country. Some items work with a range of voltages, or have a switchable voltage control built in. Please refer to the specific product details for further information.