Phonak Sphere Infinio Ultra vs ReSound OMNIA miniRIE
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Choice

Phonak Sphere Infinio Ultra
The Phonak Sphere Infinio Ultra is a premium behind-the-ear prescription hearing aid priced at $4,898. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.9/5, placing it in the top 3% of the 36 prescription hearing aids tested and ranking #2 in its category. This device delivers exceptional speech performance in our testing. Speech in noise scored an excellent 4.5/5, a remarkable 2.55 points above the category average of 1.96/5—one of the largest margins we've measured in this critical metric. Speech in quiet also performed strongly at 4.3/5, exceeding the category average by 1.00 point. These results suggest the Sphere Infinio Ultra prioritizes speech clarity across challenging listening environments. Music streaming quality is solid at 3.3/5, sitting 0.66 points above the category average. Own voice comfort scored 2.8/5, which is above the category average but remains mixed in absolute terms—listeners sensitive to occlusion may notice this limitation. Feedback handling measured 4.2/5, which is strong in absolute terms though 0.51 points below the category average of 4.71/5. The Sphere Infinio Ultra is best suited for users who prioritize speech understanding, particularly in noisy environments, and who are prepared to invest in premium technology. Those seeking the highest feedback stability or improved own-voice comfort may want to compare alternatives, though this device's speech performance stands out as a category leader.
Choice

ReSound OMNIA miniRIE
The ReSound OMNIA miniRIE is a premium behind-the-ear prescription hearing aid released in 2022, priced at $4,764. In our lab testing, it earned an A grade with a SoundScore of 4.0/5, ranking #24 of 36 devices in the Prescription Hearing Aid category. This device demonstrates solid performance in speech clarity for quiet environments, scoring 3.7/5—0.34 points above the category average. However, speech understanding in noisy situations is a notable weakness, with a score of just 1.0/5, falling 0.96 points below the category average. This contrast suggests the OMNIA miniRIE performs best for users who primarily need support in calmer listening environments rather than challenging acoustic situations like busy restaurants or crowded gatherings. Feedback handling is strong at 4.1/5 in absolute terms, though it sits 0.61 points below the category average of 4.71/5. Own-voice comfort scores 2.9/5, slightly above average but mixed in absolute terms. Music streaming performance is similarly positioned at 2.7/5—essentially at the category average. The OMNIA miniRIE features rechargeable batteries, iPhone and Android streaming capability, and hands-free functionality. It has received the Expert's Choice Award in both 2023 and 2024. At this premium price point, buyers should be aware that several same-price competitors like the Phonak Sphere Infinio and Oticon Intent offer higher overall scores in our testing. This device may suit users prioritizing quiet-environment speech clarity and brand-specific features over maximum performance in noise.
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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)
Fitting configuration for tuned fit