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

iHear MatriX
The iHear MatriX is a behind-the-ear OTC hearing aid priced at $499, earning a B grade with a SoundScore of 3.8/5 in our lab testing. This places it in the top 40% of OTC hearing aids, offering solid performance at a budget-friendly price point. In our testing, the MatriX demonstrated notable strengths in speech intelligibility. Speech in quiet scored a solid 4.0/5, measuring 1.17 points above the category average. Speech in noise performance came in at 2.4/5—above the category average by 0.96 points, though only mixed in absolute terms. Feedback handling was excellent at 5.0/5, surpassing the already-strong category average by 0.46 points, meaning users can expect reliable stability without whistling during typical wear. The most significant limitation is music streaming, which scored 0.0/5—a full 1.92 points below the category average. Users who prioritize streaming audio from their phone should consider alternatives. Own-voice comfort measured 2.7/5, slightly above category average but still mixed in absolute terms. The MatriX features rechargeable batteries and supports streaming from both iPhone and Android devices. With a normalized Initial Score of 3.7/5 improving to 4.3/5 after tuning, this hearing aid responds well to optimization. It's best suited for users who prioritize speech clarity and feedback-free wear over music streaming quality, and who want a budget OTC option that delivers above-average speech performance in our lab framework.

Otofonix Helix
The Otofonix Helix is a behind-the-ear amplification product priced at $695, earning a C grade with a SoundScore of 2.7/5 in our lab testing. This places it in the lower tier of the amplification product category, ranking #7 of 8 devices tested. In our standardized testing, the Helix demonstrates one clear strength: excellent feedback handling, scoring a perfect 5.0/5—well above the category average. This means users can expect stable performance without whistling or squealing during normal wear and head movements. However, the Helix shows significant limitations in other areas. Speech clarity scores are low in both quiet (1.0/5) and noisy (1.0/5) environments, falling below category averages by 1.11 and 0.37 points respectively. Music streaming capability scored 0.0/5, indicating this device is not suitable for those who want to stream audio content. Own-voice comfort is also a weakness, particularly in the tuned configuration. At this price point, consumers should be aware that several alternatives in the same range offer stronger overall performance. The Otofonix Helix may appeal to those who prioritize feedback-free operation above other factors, but those seeking better speech understanding or streaming functionality should explore other options in the amplification product category.
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