Jabra Enhance Select 500 vs Phonak Sphere Infinio Ultra
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Choice

Jabra Enhance Select 500
The Jabra Enhance Select 500 is a premium behind-the-ear OTC hearing aid priced at $1,995 that earns an A grade with a SoundScore of 4.2/5 in our lab testing. This places it in the top 18% of the OTC hearing aid category, ranking #13 among 65 tested devices. In our testing, speech clarity in quiet environments stands out as a key strength, scoring 4.3/5—a strong result that measures 1.50 points above the category average. Feedback handling is excellent at 4.6/5, ensuring stable performance during everyday movements. Music streaming quality scores 2.9/5, which is 0.98 points above the category average but only mixed in absolute terms. The device shows some limitations worth noting. Speech understanding in noisy environments scores 1.8/5, which is above the category average by 0.31 points but low in absolute terms—a common challenge across OTC devices. Own-voice comfort scores 2.2/5, falling 0.31 points below the category average, which may be noticeable for users sensitive to how their own voice sounds. This two-time Expert's Choice Award winner (2023, 2024) offers rechargeable batteries and streaming compatibility with both iPhone and Android devices, including hands-free calling. Consumers seeking similar sound quality at a lower price point may want to compare the Jabra Enhance Select 300 or Lucid Engage. The Enhance Select 500 is best suited for those prioritizing strong speech clarity in quieter settings and reliable streaming performance within the premium OTC segment.
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 5% of the 39 prescription hearing aids tested and ranking #3 in the category. This device demonstrates exceptional speech performance in our testing. Speech in noise scored 4.5/5—an excellent result that measures 2.40 points above the category average of 2.11/5. Speech in quiet also performed strongly at 4.3/5, which is 0.92 points above the category average. These results suggest the Sphere Infinio Ultra may particularly benefit users who frequently navigate challenging listening environments like restaurants or group conversations. Music streaming delivered a solid 3.3/5, measuring 0.54 points above category average. Own-voice comfort scored 2.8/5, which is above the category average by 0.10 points but remains mixed in absolute terms. Feedback handling measured 4.2/5—strong in absolute terms, though 0.52 points below the category average of 4.72/5. The Sphere Infinio Ultra is best suited for users seeking top-tier speech clarity who prioritize performance in noisy environments and are prepared to invest at the premium price tier. Those seeking similar sound quality at a lower price point may also consider the Phonak Sphere Infinio, which scored 4.98/5 in our testing.
We independently review each item we recommend and appreciate your trust and support. When you buy through our links, we may earn a commission. Learn More.
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