Autiphon U0 Series vs Otofonix Elite
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

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.

Otofonix Elite
The Otofonix Elite is a behind-the-ear amplification product priced at $249, earning a C grade with a SoundScore of 2.6/5 in HearAdvisor's lab testing. Released in 2016, this budget amplifier ranks #8 of 8 in the Amplification Product category. In our lab testing, the Elite demonstrates one clear strength: excellent feedback handling at 5.0/5, which is 0.72 points above the category average. This means users are unlikely to experience whistling or squealing during normal use. However, the device shows significant limitations in other areas. Speech performance is notably limited, with speech in quiet scoring 1.0/5 (1.11 points below category average) and speech in noise also at 1.0/5 (0.37 points below average). The device does not support Bluetooth streaming, resulting in a 0.0/5 music streaming score. Own-voice comfort is particularly low at 0.1/5, falling 2.54 points below the category average—users may notice their own voice sounds unnatural or boomy. At this price point, consumers may want to consider alternatives that offer better overall performance. Several devices with higher SoundScores are available at lower prices, including the Audien Hearing Atom (3.31/5) and HSKLock Hearing Aid (3.00/5). The Otofonix Elite may appeal to those prioritizing feedback-free operation above all else, but its limited speech clarity and lack of streaming make it difficult to recommend for general use.
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
Using MUSHRA scenes (Tuned)
Fitting configuration for tuned fit