About the AudioControl ACR-U

Volume control at your fingertips
Volume control at your fingertips
Ever wish you had an easily accessible volume knob for your car stereo? No distracting hold-down buttons or smartphone arrows, but a physical control knob you can grab and turn to whatever volume you want without having to look away from the road. AudioControl's ACR-U universal wired remote level controller lets you adjust your stereo or subwoofer volume easily in almost any vehicle. The ACR-U is a line-level device with RCA inputs and outputs that connects between your receiver and amplifier. It doesn't boost power, but it does let you turn the volume down from full blast to off (0 to -97dB).
2-piece device
The package includes the ACR-U Hub, which connects between your receiver or processor's RCA outputs and your amplifier's inputs. From the hub, the included 16-inch Cat5 cable runs to the ACR-U Remote, which you can mount anywhere you want, using its integrated brackets or without the case for a customized flush-mount installation. For longer runs, an optional 20-foot extension cable is available from AudioControl, or you can use any Cat5e cable up to 300 feet long for your installation. Warranty 5 years.
What's in the box:
AudioControl ACR-U owner's manual
- ACR-U wired remote control
- ACR-U Hub
- 16" Remote cable (RJ-45 plug on both ends)
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More details on the AudioControl ACR-U

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Features
Compatibility: As the "U" in the part number suggests, the ACR-U is universal, and compatible with virtually any analog pre-amp level signal. The stereo input and output are female RCA jacks. Depending on installation, the remote can control volume for the entire system, a specific zone, a subwoofer, etc.
Mounting Options: The ACR-U consists of two parts; the hub, which can be hidden anywhere you have space, and the remote, which must be accessible. If you need more distance between them, the included 16" cable designed to connect the two can be replaced by another Cat5e cable, up to 300 feet long. The remote can be surface mounted using the flange of its housing, or the housing can be disassembled and the remote custom mounted.
- Surface Mounting: The remote's housing has four points for mounting screws, and is typically attached to the underside of the dashboard. The knob extends approximately ¾" from the housing. (Mounting screws are not included.)
- Custom Installation: The remote control can be removed from the housing, and flush mounted through a hole (approximately 9/32") in the dash, or another surface.
Dimensions:
- Remote:
- Width: 1.75"
- Height: 1"
- Depth: 1⅜" (3⅜" including knob and wiring)
- Hub:
- Width: 2⅝" (3¼" including mounting flange)
- Height: 1"
- Depth: 1½" (4" including wiring)
Specifications:
- Insertion Loss: 0.017 dB
- Max. Attenuation: -97 dB
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