Hall Research EMX-AMP 4K HDMI Audio Extractor with Audio Amplifier and RS-232 Control

SKU: HREMXAMP MFR: EMX-AMP
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Key Features

  • Enhance your audio experience with this 4K HDMI audio extractor and amplifier.
  • Enjoy stable streaming with low latency thanks to this device's robust design.
  • Easily extract audio from HDMI sources for integration with external sound systems.
  • Achieve high-resolution audio output with multiple format support via HDMI.
  • Utilize RS-232 control for seamless integration into existing control systems.
  • Perfect for live streaming, providing reliable audio and video signal processing.
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Special Order?Estimated to Ship: 08/17/2025
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Hall Research EMX-AMP Specifications

  • Video Standards

    DVI (single link)
    HDMI 1.4 video specifications including 12 bit color depth, 3D video and4Kat 30
    HDCP 1.1

  • Video Signal Type

    TMDS

  • Video Connectors

    2x Locking HDMI

  • Video Resolutions

    DVI signal VGA (640x480) through WUXGA (1920x1200)
    HDTV signal 480i through 4K at 30 Hz

  • Audio Formats

    HDMI Embedded Audio including: LPCM (32-192kHz sample rate)

  • DDC

    DDC from HDMI receiver in the EMX-AMP to the source and from HDMI sink to the HDMI transmitter in the AMP. DDC supports EDID management and HDCP handshake

  • CEC

    Pass-Thru

  • RS-232

    2x RS-232 Ports (3 position screw terminal for each)
    RS-232 IN Baud Rate: 9600, N, 8, 1
    RS-232 OUT Baud Rate: Configurable at 1200, 2400, 4800, 9600, 19200, 38400, 57600, or 115200
    Output factory default is 9600, N, 8, 1

  • USB

    1x Mini-B

  • Encoder

    3 Terminal, 24 Detent, 15 Position Gray Code (Rotary Encoder is optional)

  • Power Supply

    100 VAC to 240 VAC, 47-63 Hz, External; 18 VDC,5A (Model: 511-PSD1850APL06)

  • Temp / Humidity

    Storage: '-40 to 185 deg. F / -40 to 85 deg. C
    10% to 90%, non-condensing
    Operating: 32 to 122 deg. F / 0 to 50 deg. C
    10% to 90%, non-condensing

  • Typical Consumption

    EMX-AMP
    ON (Video Only no audio output): 500 mADC
    ON (100% Audio volume): 3.25 ADC
    OFF: 100 mADC

  • Cooling

    Convection

  • Enclosure type

    Metal (Steel)

  • Vibration

    ISTA 1A in carton (International Safe Transit Association)

  • Safety

    CE

  • EMI/EMC

    CE, FCC Class A

  • MTBF

    90,000 hours (Calculated Estimate)

  • Dimensions (H x W x D)

    1.25 x 7 x 4.3" / 31.75 x 177.80 x 109.22mm (Depth excludes connectors)

  • Weight

    Amplifier 10oz / 283.49g

About Hall Research EMX-AMP

Are you seeking an advanced, high-quality solution for your audio and video needs Look no further than the EMX-AMP 4K HDMI Audio Extractor with Audio Amplifier and RS-232 Control. This sophisticated device, designed by the reputable Hall Research, is an all-in-one solution that efficiently combines an HDMI audio extractor, audio amplifier, and RS-232 control.

This reliable device is equipped with a built-in 50-watt audio amplifier, allowing for a direct connection of 8-ohm speakers. It also features an additional line-level stereo audio input that can be seamlessly mixed with the HDMI audio. The volume can be conveniently controlled using front panel buttons, RS-232 commands, or an external rotary digital encoder.

The EMX-AMP also boasts an independent RS-232 output port, typically used to control the power on/off state of the TV or video projector connected to its output. It offers full EDID management with the ability to learn, download, upload, emulate, or pass-thru the EDID from the connected display.

A user-friendly USB port is featured on the front panel, allowing you to configure the device operation via a free Windows GUI available from the Downloads tab. The EMX-AMP can pass commands from its RS-232 input to the RS-232 output, and it has the ability to store user-defined ON and OFF commands for controlling devices connected to its RS-232 output.

The stored RS-232 commands can be triggered automatically based on detecting HDMI input or manually by user command (RS-232) or contact closure. An IP-enabled version, the EMX-I-AMP, adds a Telnet and WebGUI, giving you the ability to control the device through a PC or smartphone using the same commands as the serial interface.

In summary, the EMX-AMP 4K HDMI Audio Extractor with Audio Amplifier and RS-232 Control is a versatile, efficient, and reliable choice for professional audio and video applications.

Hall Research EMX-AMP Features

  • 4K HDMI audio extractor with EDID management
  • Built-in 50 watt audio amp for direct connection to 8 Ohm speakers (25 watts/channel)
  • Audio input for connecting line-level inputs (e.g. wireless microphones)
  • Control via, front panel, RS-232, digital pot (rotary encoder)
  • HDMI Ducking (when Line input is detected, HDMI sound volume in the mix is automatically lowered)
  • Primary RS-232 port for device control
  • Secondary RS -232 port for auxiliary device control
  • Store separate ON /OFF RS-232 commands for the auxiliary devices
  • Supports HDMI, DVI, HDCP, 3D and Deep color
  • Stereo or Mono output
  • Priority Paging Sensor input (for automatically muting of the audio output)
  • Compact, Rugged, Reliable and Economical

Warranty Information

This product has a limited warranty of 36 months.

Key Features

  • Enhance your audio experience with this 4K HDMI audio extractor and amplifier.
  • Enjoy stable streaming with low latency thanks to this device's robust design.
  • Easily extract audio from HDMI sources for integration with external sound systems.
  • Achieve high-resolution audio output with multiple format support via HDMI.
  • Utilize RS-232 control for seamless integration into existing control systems.
  • Perfect for live streaming, providing reliable audio and video signal processing.

What's in the box:

  • Hall Research EMX-AMP 4K HDMI Audio Extractor with Audio Amplifier
  • Power Supply
  • Power Cord
  • Type A to Mini-B USB cable
  • 4x Position Screw Terminal Strip
  • 9x Position Screw Terminal Strip
  • Manual
  • Hall Research 3 Year Limited Warranty