Used Cloudlifter CL-4 Mic Activator in good cosmetic and technical condition. Minor rack-ear mounting wear from standard rack placement. All 4 XLR inputs and 4 XLR outputs are completely clean and operational. 

Testing: Bench-tested. Verified +25dB gain boost across all 4 channels, phantom power activation, and zero DC signal pass-through on microphone inputs. 

Pulled directly from a professional, climate-controlled, smoke-free corporate broadcast facility. All units have been tested, factory reset, and are running stable firmware. Expect minor cosmetic rack-wear/scuffs on the outer casing, but front panels and technical functionality are excellent.

Key Features & Specifications 

• 4 Independent Channels: Converts 4 low-level mic signals simultaneously in a single 1RU rackmount chassis. 
• +25dB Ultra-Clean Gain: Patented Class-A discrete JFET circuitry delivers clean, uncolored gain boost without adding noise, distortion, or frequency degradation. 
• Safe for Ribbon Mics: Powered entirely by standard +48V phantom power from your mixer/preamp while blocking phantom power from passing through to the microphone. 
• Optimal Impedance Loading: Presents an ideal 3k Ohm load to passive microphones for improved frequency response and transient detail. 
• Rear Panel XLR I/O: Features 4 x Neutrik XLR inputs and 4 x Neutrik XLR outputs for clean cable management in rack setups. 
• Rugged Made-in-USA Construction: Handcrafted in the USA with heavy-duty steel construction for maximum RF shielding and durability.