Cearvol Diamond X1 vs RCA Micro

The Cearvol Diamond X1 is a budget-priced OTC hearing aid available for $199, earning a B grade with a SoundScore of 3.7/5 in our lab testing. This visible-in-ear style device ranks #30 among 65 OTC hearing aids tested, placing it in the top 45% of its category. The Diamond X1 delivers a mixed performance profile with one notable strength: music streaming. With a score of 4.1/5, it performs 2.18 points above the category average—a substantial margin that makes it appealing for users who value audio entertainment through their hearing aids. Feedback handling is excellent at 4.5/5, providing stable performance during typical daily movements. Both iPhone and Android streaming are supported with rechargeable batteries for convenience. Speech performance presents a more modest picture. Speech in quiet scores 2.8/5, which is above the category average but only mixed in absolute terms. Speech in noise measures 1.7/5—above the category average of 1.48/5, though still low overall. Own-voice comfort is a weakness at 1.7/5, falling 0.81 points below the category average, which may cause your own voice to sound unnatural or boomy. The Diamond X1 is best suited for budget-conscious consumers who prioritize music and media streaming over maximum speech clarity. Those seeking stronger speech performance in challenging listening environments may want to consider higher-scoring alternatives in this price range, such as the Elehear Beyond or Apple AirPods Pro 2.

The RCA Micro is a budget-priced behind-the-ear OTC hearing aid released in 2023, earning a C grade with a SoundScore of 2.7/5 in our lab testing. At $399, it sits in the lowest price tier of the OTC category but ranks last among the 65 OTC hearing aids we've tested. In our standardized testing, the RCA Micro shows a significant performance gap compared to category peers. Speech understanding scores are notably low, with speech in quiet at 1.0/5 (1.79 points below the category average) and speech in noise also at 1.0/5 (0.48 points below average). Music streaming scored 0.0/5, falling 1.92 points below the category average—meaning phone audio streaming is essentially non-functional as a feature. The one bright spot is excellent feedback handling at 5.0/5, which is 0.46 points above the category average, indicating stable performance without whistling during normal use. Own-voice comfort is mixed at 2.1/5, sitting 0.41 points below the category average. This suggests wearers may notice some unnatural quality to their own voice during conversations. At this price point, several alternatives deliver substantially stronger performance. The Elehear Beyond, Apple AirPods Pro 2, and Zepp Clarity Omni all fall within the same price range while scoring significantly higher in our testing. The RCA Micro's rechargeable batteries and simple BTE design offer basic convenience, but consumers seeking meaningful speech clarity improvements should consider higher-performing options in this competitive budget segment.