Clarity - W10BP-44 - (50803-44) ASH Battery powered In-line amp.
Clarity
Model: W10BP-44
Battery-powered in-line receiver amplifier. The W10BP easily installs between the existing telephone base and the current handset, and improves listening volume up to 20 dB for clearer reception. It uses a rotary (thumb wheel) volume control to adjust to
individual hearing needs.