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Studiomaster DX400 Power Amplifier

Product ID: 220756

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£209.00

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  • Compact and lightweight
  • Small size 1U rack space
  • XLR, Jack and Phono inputs
  • Switchable limiter

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The Studiomaster DX400 Power Amplifier is a robust, one rack space amplifier suitable for the smaller PA system and studio monitoring. The steel enclosure houses the reliable bi-polar amplifiers that are cooled by twin variable speed fans. Signal inputs are via XLR, Jack and RCA phono connectors whilst the outputs have binding posts and industry standard 4 pole connectors. Signal status employs SIG and cCLIP LEDs and volume is controlled by individual level controls. Its small size and low weight make it a great full-range amplifier that sounds great both for live PA and for studio monitoring.

As well as Hi-pass filters, stereo crossovers and twin cooling fans, their biggest asset is their sound. For three decades, Studiomaster has been building superb amplifiers. What has always set them apart from the others is their exceptional sound quality. The AX continues this tradition… you can concentrate on the performance, with no need to worry about the amps!

The AX amplifiers are perfect for stereo or bridged mono application and with the onboard two-way crossover, will suit virtually any application. The crossover frequency can be set at either 100Hz or 150Hz. Each channel can be assigned to a high or low-frequency signal. The output from each crossover is also available on 1/4″ jack sockets to connect more amplifiers.


  • Input Sensitivity: XLR/Jack: 0dBu, RCA: 6dBu
  • Input Impedance: 10k ohm Balanced 20k ohm Unbalanced
  • Frequency Response: 5Hz – 20kHz (+0/-1dB)
  • Voltage Gain:31dB
  • Distortion: 1kHz 0.01%
  • Signal to Noise Ratio: 95dB
  • Damping Factor: 150
  • Cooling: Twin variable speed fans, back to front airflow
  • Protection: D.C. short/open circuit, thermal
  • Status LEDs: Power, Signal, Peak
  • Input Connections: XLR, Jack, RCA Phono
  • Output Connections: 4 pole industry standard sockets, Binding posts
  • Power Requirements: 220-240V ~ 50/60Hz
Model CodeDX400
BrandStudiomaster
Fulfilled By SupplierYes
Product TypeAmps
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