The WH-CH730N makes sense if you carry your headphones daily and value a folding design. Keep the WH-CH720N on your shortlist if it costs less and lower weight matters. This is our interpretation of the specifications and an independent 720N review. We have not physically tested both or measured which cancels more noise.
WH-CH730N | Sony UK · WH-CH720N | Help Guide | Specifications · Sony WH-CH720N Review | Tested & Rated
Differences that help you decide
| Consideration | Sony WH-CH730N | Sony WH-CH720N |
|---|---|---|
| Sony-stated weight | 207 g | Approximately 192 g |
| Portability | Sony advertises a folding structure | Lighter model; check the space it occupies in your bag |
| Active noise cancellation | Dual Noise Sensor and adjustable ambient sound | ANC; TechGearLab reports limitations in its test |
| Published battery life | Up to 50 hours with ANC, according to Sony | 35-hour claim listed by TechGearLab; not our measurement |
WH-CH730N | Sony UK · WH-CH720N | Help Guide | Specifications · Sony WH-CH720N Review | Tested & Rated
Carrying them every day
Sony’s figures differ by 15 g. Weight alone does not establish comfort: headband fit and ear-pad space also matter. For headphones that go in a bag between journeys, the 730N’s folding mechanism could be more useful than this small weight difference. Try the fit or check the seller’s returns policy.
WH-CH730N | Sony UK · WH-CH720N | Help Guide | Specifications
What the evidence says about noise and calls
TechGearLab finds the WH-CH720N’s cancellation and call performance behind other products in its test. That identifies possible limitations, but does not establish that the 730N fixes them: we do not have matched measurements of both. For frequent meetings or travel, do not choose solely by generation or battery claims.
Sony WH-CH720N Review | Tested & Rated
Battery claims need context
The published 50-hour and 35-hour figures are not our test results or a guarantee at your volume, call usage and settings. The 720N manual warns that charging and usage times vary with conditions. If your existing headphones work well, a newer model number alone is not a reason to replace them.
WH-CH730N | Sony UK · WH-CH720N | Help Guide | Specifications · Sony WH-CH720N Review | Tested & Rated
Before buying
Check WH-CH730N or WH-CH720N on the listing, the box contents and the seller. Spanish and US packages and prices can differ. Amazon search links help locate listings; they do not certify the first result, exact model or availability. We do not claim either product is cheaper without checking the particular offer.
WH-CH730N | Sony UK · WH-CH720N | Help Guide | Specifications
Frequently asked questions
Which would we choose for travel?
We would prioritise the 730N if folding matters. A matched test is still needed to compare isolation; folding does not establish better cancellation.
WH-CH730N | Sony UK · Sony WH-CH720N Review | Tested & Rated
Is this our own laboratory test?
No. We combine Sony documentation with an attributed TechGearLab review and explain the limits of that evidence.
WH-CH730N | Sony UK · WH-CH720N | Help Guide | Specifications · Sony WH-CH720N Review | Tested & Rated