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Introducing the AudioControl ACR-U Universal Bass Knob, the perfect solution to enhance your audio system with precise level control. Whether you need to adjust subwoofer levels, manage zone volume, or control the overall system volume, the ACR-U has got you covered.

This universal remote level control can be seamlessly inserted into any line-level signal path, giving you flexibility and convenience in managing your audio setup. With its simple installation process and no power requirements, you can easily integrate it into your existing system without any hassle.

Key Features and Benefits:

  • Precise and Tactile Control: The ACR-U provides you with a responsive and accurate level control for any application, allowing you to fine-tune your audio output with ease.
  • Expandability and Versatility: Add volume control to line-level sources effortlessly, enabling you to customize and optimize your audio experience according to your preferences.

The ACR-U Remote offers the flexibility to be mounted up to 300 feet away from the ACR-U Hub, ensuring convenience and ease of use. This means you can place the remote control at your desired location while keeping the RCA connections short for excellent signal integrity and minimal noise.


  • Inputs: Line Level Inputs - 1 (2 channels)
  • Outputs: Line Level Outputs - 1 (2 channels)

Designed to deliver exceptional performance, the ACR-U boasts a negligible insertion loss of 0.017 dB and an impressive attenuation range of up to -97 dB. You can trust that this product will provide you with outstanding audio quality.

With its compact and sleek dimensions, the remote measures 1.75”W x 2.0”D x 1.0”H, while the hub (including RCA jacks) measures 3.2″W x 2.1″D x 1.0″H. The ACR-U is lightweight, weighing only 2.3oz (65.2g), making it portable and easy to handle.

Included in the box: ACR-U Remote, ACR-U Hub, 0.5 Meter Cat5e Cable, Quick Start Guide, Warranty. Everything you need to get started and optimize your audio system.

Upgrade your audio control with the AudioControl ACR-U Universal Bass Knob. Experience precise and versatile level control like never before.

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