Our lab tested the Sennheiser Conversation Clear Plus using standardized acoustic measurements and real-ear verification. Below you'll find our independent assessment of this premium amplifier's performance across speech clarity, streaming, and feedback control.
Dr. Steve Taddei, Au.D. — Lab Director & Reviewer
Dr. Abram Bailey, Au.D. — Fact Checker / Editor
The Sennheiser Conversation Clear Plus delivers exceptional music streaming and feedback handling, making it ideal for audio enthusiasts who prioritize sound quality.
Top 1% of Amplification ProductBelow you'll see how this amplifier measured in speech in quiet, speech in noise, own voice, feedback control, and music streaming. The purple SoundScore graph is the overall result, and the five graphs after it break it into individual measurements for the selected fit. Each curve shows how scores are spread across all tested hearing aids, and the dot and number mark the score for Sennheiser Conversation Clear Plus.
Every hearing aid is lab-tested in two states — as it sounds out of the box, and after professional tuning. Switch fits to update the five metric graphs below.
How clearly speech comes through in calm, one-on-one surroundings.
Speech understanding against loud background noise — the toughest everyday test.
How natural your own voice sounds while wearing the aids, without a boomy, plugged-up quality.
Sound quality of music streamed to the hearing aids over Bluetooth.
Resistance to the whistling and squealing caused by acoustic feedback.
Lab Assessment
Quality data starts with quality recordings. HearAdvisor worked with GRAS to build a no-compromise front end so every test is repeatable and reliable.
Amplification Analysis
The graph below shows measured insertion gain compared to prescriptive targets. This visualization reveals how closely the amplification aligns with evidence-based fitting rationales across the frequency range.
Audio Samples
These recordings were captured through an acoustic manikin under controlled conditions. Compare what the Conversation Clear Plus delivers to the unaided reference signal below.
How this hearing aid sounds in our lab scenes. Compare it out of the box and after professional tuning.
Scene type: Conversation
159 lab recordings of this product. They demonstrate relative processing in our lab and cannot predict an individual fitting outcome.
Test Documentation
Review our observations from fitting and the documented test setup used during measurement. Both Initial and Tuned fit conditions are available for comparison below.
In the initial fit configuration with closed domes, the Conversation Clear Plus achieved a normalized Initial Score of 4.0/5. Speech-in-quiet measured 2.1/5 while speech-in-noise reached 3.0/5. Music streaming and feedback handling both scored an excellent 5.0/5, demonstrating strong out-of-box performance in these areas. Own-voice comfort was low at 0.6/5. The device delivers solid core performance without requiring professional adjustment.
After tuning while retaining closed domes, the normalized Tuned Score improved to 4.2/5—a 0.2-point gain over initial fit. Speech-in-quiet increased to 2.6/5 and speech-in-noise to 3.1/5, showing meaningful improvement in speech clarity. Music streaming and feedback handling maintained their excellent 5.0/5 scores. Own-voice comfort remained unchanged at 0.6/5, indicating this limitation persists regardless of tuning adjustments.
Initial Fitting | Tuned Fitting | |
|---|---|---|
| Ear Coupling | Closed Dome | Closed Dome |
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