The Cearvol Diamond X1 is a budget OTC hearing aid that fits in the ear and uses rechargeable batteries. It achieved a SoundGrade of B and sits in the bottom 45% of devices in the OTC category and in the bottom 35% of all devices tested.
In the initial fit condition, the Cearvol Diamond X1 performed below average on speech in quiet, below average on speech in noise, below average on feedback handling, below average on occlusion results, and well above average on music streaming quality. The overall fit score in the initial condition for the Cearvol Diamond X1 was below average.
In the tuned fit condition, the Cearvol Diamond X1 performed below average on speech in quiet, below average on speech in noise, above average on feedback handling, below average on occlusion results, and well above average on music streaming quality. The overall fit score in the tuned condition for the Cearvol Diamond X1 was below average.
State-of-the-art Acoustic Laboratory
Quality data starts with quality recordings. HearAdvisor worked with GRAS to build a no-compromise front end so every test is repeatable and reliable.
