The ACR-U is a universal remote level control that can be inserted into any line-level signal path. The ACR-U can be surface or custom-mounted to add subwoofer level control, zone level control, total system volume control, and more to your audio system. Installation is simple and no power is required.Included is a half-meter Cat5e cable. Any Cat5e cable up to 300 feet in length may be used. This means the ACR-U Remote can be mounted far from the ACR-U Hub and all RCA connections can remain short, ensuring low noise and excellent signal integrity. FEATURES Precise and tactile remote level control for any application Add volume control to line level sources Remote can be mounted up to 300 feet from hub SPECIFICATIONS INPUTS Line Level Inputs: 1 (2 channels) OUTPUTS Line Level Outputs: 1 (2 channels) PERFORMANCE Insertion Loss: 0.017 dB Attenuation Range: -97 dB WEIGHT & DIMENSIONS Dimensions: Remote: 1.75”W x 2.0”D x 1.0”H Hub (including RCA jacks): 3.2″W x 2.1″D x 1.0″H Weight: 2.3oz (65.2g) IN THE BOX: ACR-U Remote, ACR-U Hub, 0.5 Meter Cat5e Cable, User Manual, Warranty California Proposition 65 To our California customers: Please view your Proposition 65 warning here.