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ROLLS

ROLLS HA43 Pro 4-Channel Stereo Headphone Amplifier

$1.69 - $22.48

The ROLLS HA43 Pro is a compact 4-channel stereo headphone amplifier designed for studios, classrooms, and stage monitoring.

 Each channel offers individual volume control and delivers clean, powerful audio output for multiple listeners simultaneously.

View Product Features
  • 4 independent headphone outputs
  • Stereo input with volume control
  • Compact and portable design
  • Clean, powerful audio amplification
  • Ideal for studio and live monitoring
  • Plug-and-play operation
In stock
17 in stock

Scroll below to see our current inventory for this item.

In-Stock Inventory

  •
    92% off
    Fair

    L1111-1303

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-1304

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-1306

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-1309

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-1312

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-1313

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3000

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3001

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3002

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3003

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3005

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3006

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3007

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3008

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3009

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3010

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product
  • 92% off
    Fair

    L1111-3014

    Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier

    Cosmetic Rating

    Fair

    "Fair Condition" gear exhibits noticeable signs of use, including moderate wear, scratches, and minor cosmetic damage. While some non-essential parts may be missing, these items are fully functional for key purposes. A great choice for those prioritizing functionality over appearance.
    $1.69 $22.48
    View Product

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About the ROLLS HA43 Pro 4-Channel Stereo Headphone Amplifier

The Rolls HA43 Pro is a professional-grade 4-channel stereo headphone amplifier designed for critical monitoring applications in recording studios, broadcast facilities, and live sound environments. It provides independent volume control for four separate stereo headphone outputs, allowing multiple users to listen to the same source at their preferred listening levels—a crucial feature for recording sessions where an artist, engineer, and producer may all need to monitor the mix simultaneously. The amplifier is built for clean, transparent audio reproduction with sufficient power to drive a wide range of headphone impedances, from sensitive in-ear monitors to high-impedance studio headphones, ensuring accurate and detailed sound without coloration or distortion.

A key feature of the HA43 Pro is its flexible input and output routing. It typically includes both 1/4" TRS and XLR inputs for connection to a console's headphone output or monitor send, and it can sum a stereo signal to mono for each output if needed. Each of the four channels has its own dedicated volume knob, and many models include a global master volume control for overall level adjustment. The robust metal chassis ensures durability for both permanent installation and mobile use, while its simple, intuitive layout allows for quick setup and operation without complex configuration. This combination of multi-user capability, clean amplification, and rugged construction makes it a reliable workhorse in any professional audio monitoring chain.

In practical use, the Rolls HA43 Pro solves the common problem of distributing a headphone feed to multiple listeners with individual level control. It is commonly placed in a studio's control room for collaborative mixing, in a live room for musician cue mixes, or in a broadcast booth for production team monitoring. Its ability to drive multiple pairs of headphones without signal degradation or crosstalk ensures that every user receives a consistent, high-quality audio reference. By providing a dedicated, high-performance solution for headphone distribution, the HA43 Pro enhances workflow and communication in any professional audio production setting.

Key Features

  • 4 independent headphone outputs
  • Stereo input with volume control
  • Compact and portable design
  • Clean, powerful audio amplification
  • Ideal for studio and live monitoring
  • Plug-and-play operation

ROLLS HA43 Pro 4-Channel Stereo Headphone Amplifier Specs

General & Configuration
Manufacturer
Rolls
Model
HA43 Pro
Type
4-Channel Stereo Headphone Amplifier
Channels
4 Independent Stereo Outputs
Audio Performance
Input Connectors
Combination XLR/TRS (x2 for Stereo L/R)
Output Connectors
1/4" TRS Headphone Jacks (x4)
Power Output
Sufficient to Drive Headphones from 32Ω to 600Ω
Frequency Response
Typically 20Hz - 20kHz, ±1dB
THD
Typically <0.1%
Control & Features
Channel Controls
Independent Volume Knob per Channel (1-4)
Global Control
Master Volume Knob
Mono/Stereo
Mono Sum Switch per Channel (or Global)
Power
Internal AC or DC Power Supply (Model Dependent)
Physical & Build
Chassis
Metal Enclosure
Dimensions
Rack-mount or Desktop Form Factor
Cooling
Passive (No Fan)
Indicator Lights
Power LED, Signal/Clip Indicators (Model Dependent)

Key Features

  • 4 independent headphone outputs
  • Stereo input with volume control
  • Compact and portable design
  • Clean, powerful audio amplification
  • Ideal for studio and live monitoring
  • Plug-and-play operation
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