Sennheiser SC 630 USB ML Mono Headset – Microsoft Teams Certified
The Sennheiser SC 630 upgrades the microphone
Some jobs run on transcription-grade voice clarity — dictation software, high-stakes customer calls, hours of back-to-back meetings where every mumbled word means a re-ask. The Sennheiser SC 630 ML is built for exactly that tier of work: a single-sided USB headset with what Sennheiser calls an "ultra" noise-canceling microphone, a step up from the standard noise cancellation on the entry-level Sennheiser SC 60.
It's a mono headset — one ear covered, the other open — built from stainless steel and brushed aluminum rather than the lighter plastic construction of Sennheiser's budget lines, with foldable CircleFlex ear cups, ActiveGard hearing protection, and Microsoft Teams certification carried under the same "ML" naming convention as the SC 60 (a leftover from its original Microsoft Lync certification). It connects over USB only — there's no 3.5mm option, no bottom cord for a desk phone.
Is the Sennheiser SC 630 the same as the SC 60?
No — the Sennheiser SC 630 is the step-up model, and the difference isn't cosmetic. Where the SC 60 uses a standard noise-canceling microphone and foam ear cushions, the SC 630 carries an ultra noise-canceling mic tuned for genuinely loud rooms, a stainless steel and brushed aluminum build instead of a lighter composite frame, and leatherette ear cushions rather than foam.
Ultra noise-canceling mic, steel and aluminum build, leatherette cushions, foldable CircleFlex cups. For loud rooms and voice-critical work like dictation.
Standard noise-canceling mic, lighter composite build, foam cushions. For everyday office and Teams calls at a lower price.
Does the Sennheiser SC 630 work with a desk phone?
Only if your desk phone has a USB headset port — the Sennheiser SC 630 connects over USB directly, with no analog bottom cord or amplifier option. It's built for a computer: softphones, video calls, dictation software, anything running through a PC. If your phone's headset jack is the older RJ-style connector rather than USB, this isn't the headset for that setup.
Built like "The Century"
A nickname that says something about the build
Sennheiser's internal name for this headset is "Century," and the construction backs it up — stainless steel and brushed aluminum components instead of plastic, a unibody headband reinforced at the stress points, and a numbered adjustment scale on the headband itself. That last detail matters more than it sounds: on a shared desk or a hot-desking floor, an agent can note their number and dial straight back to it every shift instead of eyeballing the fit from scratch.CircleFlex keeps the fit precise, folds for travel
The CircleFlex dual-hinge ear cup pivots to sit flush against your ear regardless of head shape, then folds flat when you're done — genuinely useful if this headset travels between a desk and a laptop bag rather than living in one spot all day.
One ear covered — know when that's not enough
The Sennheiser SC 630 is the headset for someone whose voice quality genuinely can't afford to slip — dictation, high-volume customer calls, hours of daily meetings where a garbled word costs real time. The ultra noise-canceling mic, the steel-and-aluminum build, and a warranty that reflects Sennheiser's own confidence in it add up to a headset built to outlast the desk it sits on.
- Sennheiser SC 630 ML single-sided USB headset with inline call control unit
- Leatherette ear cushion (fitted)
- Carrying case
- Quick start guide
| Type | Monaural (single-ear), over-the-head, on-ear |
|---|---|
| Also sold as | EPOS Impact SC 630 USB ML, nicknamed "Century" |
| Microphone | Ultra noise-canceling boom, rotates for left or right ear wear |
| Noise handling | Microphone-side noise cancellation only; no active noise cancellation for the wearer |
| Connector | USB-A, direct connect, fixed cable with inline control unit — computer only, no analog or desk phone connection |
| Controls | Inline answer/end, mute, volume; magnetic desk holder for the control unit |
| Certification | Microsoft Teams and Skype for Business certified ("ML" = original Microsoft Lync certification, carried forward) |
| Build | Stainless steel and brushed aluminum, unibody headband with numbered adjustment scale |
| Ear cups | CircleFlex dual-hinge, foldable; leatherette cushion |
| Hearing protection | ActiveGard technology — protects against acoustic shock and sudden sound spikes |
| Weight | 5 oz (approx. 142 g) |
| Related model | Sennheiser SC 60 (standard noise-canceling mic, lighter build, lower price) |
| Part number | 1000552 (old 504552) |
| Warranty | 3-year manufacturer warranty (confirm against current stock), plus HeadsetPlus lifetime technical support |
Software. The Sennheiser SC 630 is certified for Microsoft Teams and Skype for Business, and works with other major UC platforms including Cisco, Avaya, and IBM. No drivers are required — Windows recognizes it on connection.
Hardware. The headset connects via a fixed USB-A cable with an inline control unit. It has no analog or 3.5mm option, so it works with a desk phone only if that phone has a USB headset port.
Platforms. The Sennheiser SC 630 is built for contact center and office professionals in loud environments, and for voice-critical work like dictation and transcription software where microphone clarity matters most.
FAQ
Frequently Asked Questions
No. The Sennheiser SC 630 uses an ultra noise-canceling microphone and a stainless steel and brushed aluminum build, compared to the SC 60's standard noise-canceling mic and lighter composite construction. The SC 630 is the premium step-up model.
Only if the desk phone has a USB headset port. The Sennheiser SC 630 connects via USB direct connect only, with no analog bottom cord or amplifier option — it's built for computer use, not traditional desk phone wiring.
ML refers to the Sennheiser SC 630's original Microsoft Lync certification, the UC platform that preceded Skype for Business and Microsoft Teams. The naming carried forward even as the certification updated, the same convention used on the Sennheiser SC 60.
The noise cancellation is on the microphone side only — it filters background sound out of your outgoing voice. The Sennheiser SC 630 is a single-sided headset with one ear left open, so it doesn't actively block incoming sound the way ANC headphones do.
The Sennheiser SC 630 carries a 3-year manufacturer warranty, longer than the 2-year warranty typical of Sennheiser's standard lines — reflecting the SC 600 series' steel-and-aluminum build.
The Sennheiser SC 630 weighs approximately 5 ounces (142 grams), heavier than the entry-level SC 60 due to its metal construction, but still built for all-day wear.