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Sony h.ear in 3 Truly Wireless Teardown by FCC (WF-H800)

Sony WF-H800 h.ear in 3

The WF-H800 FCC teardown is also now available on their website, so let us take a look at what we can find out. The photos are not the best quality but it is the best we have for now. I will be comparing the parts to the WF-1000XM3 teardown by 52audio.com, so check out their site for the full teardown.

Sony WF-H800 h.ear in 3 teardown

The first photo shows 2 main chips. While difficult to read, #1 is the Mediatek MT2811, while #2 appears to be the memory chip, Q128FWY, both are also present in the WF-1000XM3. A comparison of the chips on the WF-1000XM3 is below (via 52audio.com). As for #3, I believe this is the same as the 421E41R9, which according to 52audio is the battery protection chip.

Sony WF-1000XM3 teardown

On the reverse side of the WF-H800 is 1 more chip. This chip is under an RF shield that is seen in the the photo in the corner and the main photo is without the shield. The 3 pins on the right are the charging pins.

Sony WF-H800 h.ear in 3 teardown

The chip under the RF shield is probably the Mediatek MT6388P which apparently is the power management chip like in the WF-1000XM3. See below.

Sony WF-1000XM3 teardown

The board on the WF-1000XM3 with the RF shield also has the charging pins which are remove in the above photo. Btw does anyone  know what that metal part on the WF-1000XM3 is? Is it a heatsink?

Sony WF-1000XM3 teardown

The 2 main chips missing from the WF-H800 are the QN1e (D3781835) and the unknown 310819078266C chip that is on the same side as the QN1e. While not in the FCC filing, I would imagine the battery will be identical to the WF-1000XM3, the VARTA CP1254 Li-ion battery, 3.7V 0.2Wh. The battery can be seen in the photo below.

Sony WF-H800 h.ear in 3 teardown
That is all the photos from the FCC teardown, so hopefully once the headset is released someone will do a complete teardown as well.

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