HSKLock Hearing Aid vs RCA Micro
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

HSKLock Hearing Aid
The HSKLock Hearing Aid is a budget-priced amplification product available for $69, earning a B grade with a SoundScore of 3.0/5 in our lab testing. This behind-the-ear device uses disposable batteries and ranks #5 of 8 amplification products tested. In our testing, the HSKLock delivered excellent feedback handling at 5.0/5, scoring 0.72 points above the category average. This means users can expect stable performance without whistling during typical wear. Own-voice comfort scored 2.8/5, slightly above the category average but only mixed in absolute terms. However, speech clarity presents significant limitations. Speech in quiet scored 1.5/5, falling 0.63 points below the category average, while speech in noise measured 1.0/5, which is 0.37 points below average. Music streaming scored 0.0/5, well below the already-low category average of 1.16/5, making this device unsuitable for audio entertainment purposes. The HSKLock may appeal to budget-conscious consumers seeking basic amplification with reliable feedback control. Those prioritizing speech understanding or music quality should consider alternatives. At this price point, competitors like the Autiphon U0 Series offer similar overall performance, though each device has distinct trade-offs in specific metrics.

RCA Micro
The RCA Micro is a budget-priced behind-the-ear OTC hearing aid available for $399. In our lab testing, it earned a C grade with a SoundScore of 2.7/5, placing it at #65 of 65 devices in the OTC Hearing Aid category. Speech performance represents the most significant limitation of this device. Speech in Quiet scores 1.0/5, which is 1.79 points below the category average, while Speech in Noise also scores 1.0/5, falling 0.48 points below average. These low absolute scores indicate limited benefit for understanding conversation in our standardized test conditions. The RCA Micro does excel in one area: feedback handling earns an excellent 5.0/5, which is 0.46 points above the category average. This suggests stable performance without whistling during typical use. Own Voice comfort scores a mixed 2.1/5, sitting 0.41 points below average. Music Streaming scores 0.0/5, falling 1.92 points below the category average, indicating this device is not suitable for audio entertainment. At this price point, several alternatives offer substantially stronger performance. The Elehear Beyond, Apple AirPods Pro 2, and Zepp Clarity Omni all score above 3.8/5 in the same price range. Consumers prioritizing speech clarity and overall sound quality should consider these higher-performing options. The RCA Micro may appeal to those who need basic amplification with reliable feedback control and prefer a simple rechargeable behind-the-ear design.
Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Scale 1-5 (Tuned)
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Audio scenes
Recorded samples (Tuned)
Fitting configuration for tuned fit