Walker Ameriphone, a Division of Plantronics Inc, Chattanooga, Tenn, offers the XL-40 Amplified Telephone. The unit delivers up to 43 +dB extra amplification and features a separate adjustable tone control (500-2,400 Hz) for high-frequency sounds. A back-lighted keypad and large buttons make it easy to dial. The XL-40 includes 12 memory buttons and redial. (800) 874-3005; [email protected]; www.ameriphone.com.