Add this Neck Loop to your TV Ears Pro headset (not included) The headset then communicates with your T-coil enabled hearing aid. 32 ? (ohms) input w/ 3.5mm plug. This television hearing assist device is identical to the TV Ears with the added features of an input and output jack in the headset. The television head set jacks allow for the addition of many helpful accessories to the TV Ears unit.