Edifier ES850NB VS Sony WH-1000XM6

Both the Edifier ES850NB and the Sony WH-1000XM6 share the same fundamental design philosophy: over-ear, closed-back headphones built for portability. They both fold, include a travel bag, feature a detachable and tangle-free cable, and offer no water resistance — making them functionally identical on nearly every design checkbox.

The one measurable differentiator is weight: the Sony tips the scale at 254 g versus the Edifier's 265 g. That 11 g gap is modest, but over extended listening sessions it can translate to slightly less fatigue, as even small reductions in clamping mass reduce pressure on the head and ears over time.

Overall, design is essentially a near-tie, with the Sony holding a marginal real-world edge purely due to its lighter build. For users who prioritize portability features — foldability, included case, cable flexibility — both headphones deliver the same package.

On paper, both headphones share the same upper frequency ceiling of 40000 Hz and both support ANC and spatial audio — but the lower end of the spectrum tells a very different story. The Sony WH-1000XM6 extends down to just 4 Hz, well below the threshold of human hearing, which in practice means deeper bass extension and a more complete reproduction of sub-bass energy. The Edifier ES850NB starts at 20 Hz, the conventional lower boundary of human hearing — functional, but less capable of resolving the deepest low-frequency content.

The sensitivity gap is equally significant. The Sony's 103 dB/mW rating versus the Edifier's 91 dB/mW means the XM6 will produce noticeably louder output from the same source power — a 12 dB difference is substantial, translating to the Sony requiring far less amplification to reach comfortable listening levels. Complementing this, the Sony also carries a neodymium magnet and passive noise reduction, which the Edifier lacks; neodymium magnets enable stronger, more precise driver control, and passive isolation adds a physical noise-blocking layer on top of ANC.

Despite the Edifier's larger 40 mm driver versus Sony's 30 mm, driver size alone does not determine sound quality — magnet strength, tuning, and sensitivity all matter more. The Sony WH-1000XM6 holds a clear advantage in this category, with broader frequency reach, significantly higher sensitivity, superior driver materials, and an additional layer of passive noise isolation.

Battery life is where the Edifier ES850NB pulls off a stunning upset. Its rated endurance of 92 hours without ANC and 53 hours with ANC active dwarfs what most headphones in any category offer — this is multi-day, even week-long stamina for moderate listeners. The Sony WH-1000XM6, by contrast, delivers 30 hours regardless of whether ANC is on or off, which is a respectable figure for a premium ANC headphone but falls dramatically short in direct comparison.

One particularly telling detail is that the Sony's ANC has zero impact on its battery life — it rates identically at 30 hours in both modes. The Edifier, however, takes a meaningful 39-hour hit when ANC is engaged, suggesting its non-ANC stamina is partly a product of a power-efficient passive mode rather than raw battery capacity alone. Still, even its ANC-on figure of 53 hours is nearly double the Sony's ceiling.

Both headphones share USB Type-C charging, a battery indicator, and non-removable rechargeable batteries, so the supporting infrastructure is evenly matched. The clear winner here is the Edifier ES850NB — for travelers, remote workers, or anyone who charges infrequently, the difference between 30 and 53-plus hours of ANC playback is not marginal; it is a fundamentally different use-case proposition.

At first glance, connectivity looks nearly identical — both headphones support wireless and wired use, share the same 10 m Bluetooth range, and offer the same high-quality codec pairing of LDAC and AAC. LDAC in particular is the standout shared feature, enabling near-lossless wireless audio transmission at up to 990 kbps — a meaningful advantage over standard SBC for listeners who prioritize audio fidelity over convenience.

Where the two diverge is in forward-looking features. The Sony WH-1000XM6 supports Bluetooth LE Audio and Auracast — the former being a next-generation BT audio standard with improved efficiency and multi-stream capability, and the latter enabling broadcast audio sharing with compatible devices in public spaces. Sony also includes fast pairing, which streamlines the initial setup experience on compatible devices. The Edifier ES850NB carries none of these, despite running the slightly newer Bluetooth 5.4 versus Sony's 5.3 — a reminder that a higher version number does not automatically translate into richer feature support.

The Sony WH-1000XM6 takes a clear edge in connectivity. While the core codec support is matched, Sony's addition of LE Audio, Auracast, and fast pairing makes it the more future-ready and user-friendly option for those who will benefit from an evolving Bluetooth ecosystem.

Feature parity is high between these two headphones. Both carry a noise-canceling microphone, ambient sound mode, on-device controls, 2-device multipoint connectivity, and headset capability — covering the core set of features most users actively rely on day-to-day. The shared multipoint support is worth highlighting: being able to stay connected to two devices simultaneously — say, a laptop and a phone — without manual re-pairing is a genuine quality-of-life benefit for anyone who switches between sources frequently.

The sole differentiator in this category is in/on-ear detection, which the Sony WH-1000XM6 has and the Edifier ES850NB lacks. This sensor automatically pauses playback when the headphones are removed from the ears and resumes when they are put back on — a small but genuinely convenient feature that prevents missed audio and reduces unnecessary battery drain during short breaks.

This is a close category, but the Sony holds a narrow edge thanks to ear detection. It is not a transformative advantage, but in an otherwise tied feature set, that single addition meaningfully improves the daily usage experience.