Sennheiser IE 40 PRO Review

Review Ratings
9.3 / 10 Reviewer
{{ reviewsOverall }} / 10 Users (0 votes)
- Excellent build quality
- Excellent sound quality
- Extreme value-for-money
- Proprietary connectors for detachable cable
The Sennheiser IE 40 PRO is a keeper, its excellent build and sound quality has made the IEMs a product that represents extreme value-for-money.

Designed for stage use, the IE 40 Pro is accurate, concise and detailed. Extremely musical, it is also suitable for audiophiles who are appreciative of the traits offered by the IEMs.

The use of proprietary connectors is probably the sole disappointment in what is an excellent offering from Sennheiser, one that has gotten me excited in anticipation for the IE 400 PRO and IE 500 PRO.
Sound Quality9.5
Build Quality9
Design & Usability8.5
Value for Money10
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Part 1: Introduction, Design and Build
Part 2: Sound Quality
Part 3: Product Specifications
Part 4: Review Ratings, Summary



  • Goh Beng Yeow, the Founder / Editor at Porta-Fi™, is a recipient of the IT Youth Award in Singapore. Twice nominated for EY Entrepreneur of the Year Awards, Beng Yeow has previously founded startups such as, Coded Pixels Consultants and was a Tech writer for TODAY, a national daily newspaper under MediaCorp. Since 2017, he has been writing, editing and producing commentaries, interviews, news and reviews on Porta-Fi™. In 2019, Beng Yeow was appointed Advisor to LHDC™, the industry's latest low latency and high-definition Bluetooth audio codec.

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