cv01.jpg (8206 bytes) Siemens Hearing Instruments Inc, Piscataway, NJ, offers the PRISMA™2, which supplies improved listening, fitting, and wearing comfort by combining PRISMA’s fully digital quality with updated features, and TwinMic™ directional microphone technology. The line is available a wide variety of BTE and custom models for any level of hearing loss. (800) 766-4500;