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If you want a wired, double-ear headset that physically blocks office noise and keeps your voice clean on every call — and you'd also like a set you can throw in a bag for the gym — choose EPOS Sennheiser SC 660; if you need to roam up to 607 ft from your desk on a wireless DECT connection with an 8-hour battery, choose Yealink WH63.
• EPOS Sennheiser SC 660 — biggest strength: binaural over-ear design with active noise cancellation, HD stereo sound via Sennheiser audio and a stainless-steel, brushed-aluminium build meant to survive shift changes.
• EPOS Sennheiser SC 660 — biggest trade-off: it's wired USB only, so you're tethered to your computer with no battery to manage and no desk-phone roaming.
• Yealink WH63 — biggest strength: DECT 6.0 wireless with up to 607 ft of range and 8 hours of talk time, plus three wearing styles (eartips, earhook, headband) and Teams/Zoom certification.
• Yealink WH63 — biggest trade-off: it's a single-ear mono design, so it relies on the noise-cancelling mic and algorithms rather than physically covering both ears.
• Pick the EPOS SC 660 if you sit at one desk all day, want maximum passive isolation and a hard-wired connection that never drops.
• Pick the Yealink WH63 if you move around the office, take calls away from your desk, or juggle a desk phone and a PC at the same time.
The SC 660 is built around one idea: keep the noise out and the voice in, without any wireless variables. It's a binaural (double-sided) over-ear headset, so both ears are covered by large leatherette pads — that's real physical isolation before the active noise cancellation even kicks in. The ANC here is aimed at the microphone side of the equation, filtering out background noise so callers hear you clearly, while the Sennheiser HD stereo sound keeps meetings and media sounding natural rather than thin.
The build is the other half of the story. Stainless steel hinges, brushed aluminium parts and Vectran-reinforced cables are chosen for people who plug and unplug all day — the quick-release USB connector is specifically designed for repetitive shift-change use. An in-line control unit handles answer/end, volume, mute and redial without you touching the computer. It's a USB headset, so it's made for Skype for Business-style softphone work on a laptop or desktop.
Yealink WH63: Who It's For
The WH63 is the opposite philosophy: cut the cord and keep the microphone smart. It's a single-ear convertible headset that ships with three wearing styles — silicone eartips, an earhook, and a headband — so you can match it to how you like to work. DECT 6.0 gives you a secure, interference-free wireless link with a claimed range up to 180 m / 607 ft, and the battery is rated for up to 8 hours of continuous talk time. For anyone who lives on calls and hates being leashed to a desk, that's the whole pitch.
The noise story is handled by an advanced noise-cancelling microphone plus next-gen algorithms and an enhanced speaker. Because it's mono, you're not getting the physical seal of a double-ear cup — you're getting a mic that works hard to keep your voice clean in a busy room. Connectivity is where it flexes: it supports simultaneous desk phone and PC connection, it's certified for Microsoft Teams and Zoom and compatible with Google Meet, RingCentral, Genesys, 8x8, 3CX, Unify and Netsapiens, and it works with a long list of Yealink, Poly and Snom desk phones (other phones connect via EHS62 or a telephone cable, sold separately).
Buy it if you move between meetings, take calls from a warehouse or showroom floor, or want one headset that bridges your desk phone and your computer. Skip it if you need both ears blocked for deep-focus work, or if you simply don't want another battery in your life. Note that the Busylight status indicator (BLT60) is a separate accessory, not included.
• Best for maximum noise isolation → EPOS Sennheiser SC 660. Binaural over-ear cups plus ANC and a noise-cancelling mic beat a single-ear design for blocking a loud room.
• Best for mobility and range → Yealink WH63. Up to 607 ft of DECT range means you can leave the desk without dropping the call.
• Best for battery-free, always-on use → EPOS Sennheiser SC 660. It's wired USB, so there's nothing to charge and no talk-time ceiling.
• Best for hybrid desk-phone + PC setups → Yealink WH63. Simultaneous telephone and PC connectivity is a genuine differentiator.
• Best for platform certification → Yealink WH63. Teams and Zoom certification plus broad UC compatibility is a stronger fit for mixed software environments.
• Best for durability under daily abuse → EPOS Sennheiser SC 660. Stainless steel hinges, aluminium parts, Vectran-reinforced cabling and a quick-release connector built for constant plugging.
• Best for a lighter, more flexible fit → Yealink WH63. Three wearing styles (eartips, earhook, headband) versus one fixed over-ear configuration.
• Best for a secondary gym/portable headset → EPOS Sennheiser SC 660. In my opinion, if you also want a "headphone for gym" style pick with real passive isolation, a closed double-ear headset makes more sense than a mono wireless office unit — though neither of these is a true wireless earbud, so if you're shopping for the best active noise cancelling true wireless earbuds for gym, or the best noise canceling open ear earbuds for gym, look at dedicated sport models instead.
If I had to buy one, I'd take the EPOS Sennheiser SC 660. My reasoning is simple: for office noise specifically, covering both ears with large leatherette pads beats a single-ear wireless headset every time, and the steel-and-Vectran build plus the in-line controls make it a set-and-forget tool for a desk job. It also doubles as a sensible headphone for gym use on the road, since the closed over-ear design blocks ambient sound without wiring you into a charging routine.
I'd only switch to the Yealink WH63 if range and desk-phone flexibility are non-negotiable — 607 ft and 8 hours of talk time are hard to argue with when your job is walking and talking.
It's a headset that reduces unwanted background sound so calls stay intelligible. In this pair it works two ways: the EPOS SC 660 pairs a binaural over-ear design with active noise cancellation and a noise-filtering mic, while the Yealink WH63 uses a noise-cancelling microphone with next-gen algorithms.
Yes. It uses DECT 6.0 for a secure wireless connection with up to 607 ft of range and up to 8 hours of talk time per charge. It has no headphone jack, so it connects wirelessly rather than by cable.
No — it's a wired USB headset designed for softphone use, such as Skype for Business. If you need desk-phone plus PC connectivity, the Yealink WH63 is the one built for that.
For pure isolation, the EPOS SC 660's double-sided over-ear cups do more than the WH63's single-ear design. The WH63 counters with a stronger focus on microphone clarity and wireless freedom — so it comes down to whether you value a quiet bubble or the ability to walk away from your desk.
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