

Pros
- Flagship Codecs at Half the Flagship Price: The Air Pro 4+ carries aptX Lossless, aptX Adaptive, LDAC, LC3 and Auracast on Bluetooth 6.0, with a 10mm dynamic driver paired to a FeatherBA balanced armature — a specification sheet that normally starts around $250.
- Noise Cancelling and Battery That Hold Up: QuietSmart 3.0 adaptive hybrid ANC rated to 50dB, 12 hours per charge and 54 hours with the case on the Air Pro 4+, and 100 hours on the Wave Pro X over-ears.
- Certified, Awarded and Warranted: Hi-Res Audio certification across the range, Qualcomm Snapdragon Sound on the Air Pro 4, a Red Dot Design Award in 2025, an 18-month warranty and a 30-day money-back guarantee with free US shipping.
Cons
- The Air Pro 4 is rated IPX5 where the Pro 4+ steps up to IP55 — a small distinction that only matters if you train in dust as well as sweat.
- The warranty covers purchases from EarFun directly and its official Amazon store, so it is worth buying from source rather than a marketplace reseller.
The Verdict
What sets EarFun apart is a spec sheet that refuses to acknowledge its own price: The Air Pro 4+ at $99.99 carries aptX Lossless, aptX Adaptive, LDAC, LC3 and Auracast over Bluetooth 6.0, a 10mm dynamic driver paired with a FeatherBA balanced armature, QuietSmart 3.0 adaptive hybrid ANC rated to 50dB, IP55, and 12 hours of playback stretching to 54 with the case. It is Hi-Res Audio certified and took a Red Dot Design Award in 2025. The Air Pro 4 sits below it at $89.99 with Qualcomm Snapdragon Sound, and the Air Pro 4i at $59.99 brings the same thinking to a budget most people would call impulse territory. Above the earbuds, the Wave Pro X at $129.99 runs dual 40mm DLC and 10mm LCP drivers with an 8-mic hybrid array and 100 hours of battery, and the open-ear Clip 2 and OpenJump land at $79.99 for people who want to hear the road. Everything is backed by an 18-month warranty on direct purchases, a 30-day money-back guarantee and free US shipping in two to eight business days. Independent testing puts these a half-step behind the true flagships on raw noise cancelling, which is exactly what you would expect at a third of the money. Buy the Air Pro 4+ and put the difference somewhere else.
Flagship Audio Specs at Mid-Range Money
EarFun makes true wireless earbuds, open-ear earbuds, over-ear headphones and Bluetooth speakers, sold direct from myearfun.com. The current line runs the Wave Pro X over-ears at $129.99, the Air Pro 4+ at $99.99, the Air Pro 4 at $89.99, the open-ear Clip 2 and OpenJump at $79.99 each, the Wave Pro at $79.99, and the Air Pro 4i at $59.99.
The Air Pro 4+ is the specification headline: QuietSmart 3.0 adaptive hybrid ANC rated up to 50dB, a 10mm dynamic driver alongside a FeatherBA balanced armature, aptX Lossless, aptX Adaptive, LDAC, LC3 and Auracast over Bluetooth 6.0, 12 hours per charge and 54 with the case, IP55, Hi-Res Audio certification and a Red Dot Design Award in 2025. The Air Pro 4 covers similar ground with Qualcomm Snapdragon Sound and an IPX5 rating. The Wave Pro X pairs dual 40mm DLC and 10mm LCP drivers with an 8-mic hybrid array and 100 hours of battery, and the Clip 2 adds a 12mm driver, quad-mic ENC, IP55 and real-time speech translation.
Purchases made through EarFun directly or its official Amazon store carry an 18-month warranty against quality defects, plus a 30-day money-back guarantee on undamaged product returned with all accessories and packaging. US shipping is free and takes two to eight business days, though the carrier cannot deliver to PO Boxes, APO, FPO or DPO addresses, or to Alaska, Hawaii and the US Virgin Islands. Independent testing by SoundGuys scored the Air Pro 4+ at 8.2 out of 10, praising features and value while placing its noise cancelling below the outright flagships.
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About this review
How this was written, who paid for what, and how the verdict stays independent.
Is this EarFun review sponsored?
No. EarFun did not pay for this write-up, see it before publication, or have any say in the verdict. If we earn anything it is a commission after you buy, and it comes out of the merchant’s margin rather than your price.
How was the EarFun assessed?
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