The Hear It Speaker’s fully adaptive, active, DSP, removes unwanted background noise from your radio’s audio output. This makes it easier, for you to hear, what you want to listen to. While the Hear It Speaker may look like an ordinary speaker from the front, the back and top will reveal it’s true potential. Offering such features as user selectable levels of noise cancellation, an input sensitivity control, a bi-color activation LED, and a processing technology so advanced, that even the processed audio coming from the latest transceivers, is further improved upon when run through a Hear It Speaker. Imagine what it can do for you, your transceiver and your desire to improve the intelligibility and clarity of your audio.
Improved clarity, absence of noise , greater readability, better sounding , easier to understand, higher signal to noise ratio …call it what you want . The bottom line is this little speaker, with it’s built in, state of the art Digital Signal Processing is going to significantly improve what you hear. It doesn’t matter if you are running a newer, more expensive rig or that trusty old boat anchor. Plug this speaker into your audio jack and you will hear a difference.
Here is a review from Bob Grove: Grovereview