Cloud Microphones CL-4 4-Channel Rack Mounted Mic ActivatorThe Cloudlifter CL 4 Mic Activator from Cloud Microphones is a single rack space, four input solution for common audio problems in the field and in the studio involving low output passive microphones, including ribbons. The CL 4 uses any standard phantom powered mixer or microphone input device to provide up to +25 dB of clean, transparent gain. This improves signal to noise ratio and improves the performance of passive microphone signals by driving