The Pro Hear IV is ProEars top of the line digital BTE hearing amplifier. The sleek, rugged, design and lightweight feel provides maximum comfort with the ultimate performance. The PRO HEAR IV Digital produces smooth, natural CD quality sound Multi-memory programming allows you to instantly select different modes for specific sound environments. The WDRC compression and four pre-programmed memories combine to give excellent sound quality with low distortion and maximum safe amplification. The PRO HEAR IV is tuned to your needs for high and low frequency enhancement and a memory beep mode between settings. The Pro Hear IV provides so much of an advantage it is almost unfair to the animals. Features Fully digital signal processing on two channels using push button select Impulse Sound Suppression set at 85 dB Wind Screen Advanced Adaptive Feedback Canceling Static Feedback Manager Wide Dynamic Range Compression 10 channel layered noise reduction Fixed Directional Processing Directional microphone High Fidelity sound quality, Dynamic Contrast Detection Adjustable Volume Control rotational dial Low Battery and Program Change tones Ultra-soft Comply Foam Tips1 for a secure, comfortable fit Specifications Impulse Sound Suppression set at 85 dB Gain setting at 17 dB on channel one, 22 dB on channel two, 32 dB on channel three and a telecoil on channel four Exceptionally low THD at 2% Typical 120 hour battery life using 312 type battery Ultra compact size and light weight SOLD QUANTITY 1