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Product Comparison

Autiphon U0 Series vs RCA Micro

Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

Uses Official HearAdvisor Lab Data
Autiphon U0 Series Hero
AutiphonSoundGrade B

Autiphon U0 Series

The Autiphon U0 Series is a budget amplification product available at $99, earning a B grade with a SoundScore of 3.0/5 in HearAdvisor's lab testing. This visible-in-ear device ranks #6 of 8 amplification products tested, placing it in the top 63% of its category. In our testing, the U0 Series demonstrates excellent feedback handling at 5.0/5, scoring 0.72 points above the category average. This means users can expect stable performance without the whistling issues that plague some amplifiers. Speech in quiet environments scores 2.3/5—above the category average by 0.22 points, though only mixed in absolute terms. The device shows notable limitations in other areas. Speech in noise performance is low at 1.0/5, falling 0.37 points below the category average, which may make challenging listening environments difficult. Music streaming is the weakest area at 0.0/5, coming in 1.16 points below category average—users seeking audio streaming functionality should look elsewhere. The Autiphon U0 Series is best suited for budget-conscious consumers who primarily need basic amplification in quieter settings and prioritize reliable, feedback-free operation over advanced features. The rechargeable batteries add convenience at this price point. However, those who frequently encounter noisy environments or want to stream music should consider alternatives despite the higher cost.

RCA Micro Hero
RCASoundGrade C

RCA Micro

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.

Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Scale 1-5 (Tuned)

Speech in quietNew
Autiphon U0 Series2.3
RCA Micro1.0
Speech in noiseNew
Autiphon U0 Series1.0
RCA Micro1.0
Own voice
RCA Micro2.1
Feedback handling
Autiphon U0 Series5.0
RCA Micro5.0
Music streaming
Autiphon U0 Series0.0
RCA Micro0.0
Overall fit score
Autiphon U0 Series3.0
RCA Micro2.8

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Audio scenes

Using MUSHRA scenes (Tuned)

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Fitting configuration for tuned fit

Autiphon U0 SeriesRCA Micro
Ear CouplingClosed Dome
Ear CouplingPower Dome