AudioControl ACR-U Unversal Line Level Controller 1001-1500 while the 3–4 ft³ recommended

while the 3–4 ft³ recommended ported space guides enclosure design for robust low‑end performance

SPL: 86 dB @ 2

125" — mounting hole size required for proper panel cutout

Voice coil: High temp aluminum voice coil

Midrange Mounting Depth: 2

AudioControl ACR-U Unversal Line Level Controller 1001-1500 while the 3–4 ft³ recommendedThe AudioControl ACR U is a universal remote line level controller that inserts into any line level signal path, giving you remote control of subwoofer, zone, or total system volume with no power required. It can be surface mounted or custom mounted to fit your install and keep controls discreet. Universal remote level control: Adjusts the signal remotely so you can balance subs, zones, and overall system volume from a convenient location without