This mono neckloop is designed to be worn around the neck, allowing an audio signal from a hearing loop to be transmitted directly to a user’s hearing aid or cochlear implant equipped with a T-coil switch. It features a mono plug. For a stereo plug, see the NKL 001-S. 3.5 mm plug, mono, 8 – 16 Ω. This neckloop is for users with moderate to severe hearing loss.