Generally negative
Users report dropouts, with one noting the antenna was set up only centimeters from a wifi router, which is not recommended and may contribute to the issue.
Frequently criticized
A commenter notes the EarAmp's range overlaps a lot of TV broadcast frequencies in the 470-500 MHz range in their area, unlike competing systems that use the less crowded 900 MHz band.
Generally negative
A commenter clarifies that the squelch is a noise gate unrelated to reception, warning that adjusting it can cause silence that may be mistaken for a reception problem, confusing troubleshooting.