The Walkers Game Ear HD Pro Elite Hearing Enhancer (WGE-XGE2B) features a one environment adaptive listening mode. It includes all the features of the Digital HD Elite Game Ear plus more. This hearing enhancer is 20% smaller than the original Game Ear. The 50 dB of power and 20 bit audio processor is sure to deliver a clear and crisp sound. The Walkers HD Pro Elite Hearing Amplifier provides bass and treble fine tuning with the Adjustable Frequency Tuning feature. It also offers faster sound activated compression and automatic feedback control.