BNK BK8400 4-in-1 Wireless Microphone System

The BNK BK8400 is a professional 4-channel UHF wireless microphone system, commonly sold as a 4-in-1 set. Depending on the package, it can include handheld, lapel, and headset microphones. Kenyan listings advertise ranges around 50–150 m, depending on the specific version and conditions