Lenovo 4XD1M45627 Wired ANC On-Ear Headset for Microsoft Teams

Overview

The Lenovo 4XD1M45627 Wired ANC Headset Gen 2 is a USB-C on-ear headset purpose-built for Microsoft Teams environments — the kind of device that earns its place in a corporate audio procurement list by being predictable, wired, and certified. Where wireless headsets introduce charging logistics and RF interference variables in dense office deployments, this headset removes both concerns: plug in via USB-C, get full stereo audio across the full 20–20,000 Hz audible range, and manage call volume directly from the inline button control without touching the softphone. If you're standardizing UC endpoints across a fleet of Teams users, the Lenovo 4XD1M45627 gives IT a consistent, driver-managed audio profile with no pairing overhead.

Key Features

• Active Noise Cancellation (ANC): Hardware ANC on a wired headset is worth calling out — most ANC implementations live in wireless devices. Here it means background noise suppression without requiring Bluetooth, which matters in open-plan offices or call centers where ambient noise is constant and wireless spectrum is already congested. You get the acoustic benefit without adding another RF device to manage.
• USB-C Digital Connection: Connecting via USB Type-C means audio processing stays in the digital domain all the way to the headset driver — no analog signal degradation from a 3.5mm run through a noisy motherboard audio circuit. For any workstation or laptop with a USB-C port (virtually all modern business machines running Windows or macOS), this is plug-and-play with no external DAC required.
• 20–20,000 Hz Frequency Response: Full audible bandwidth coverage means voice intelligibility is not artificially narrowed. While Teams voice calls compress to a narrower band, the full-range driver is relevant when the same headset handles training videos, recorded presentations, or media review tasks — the 3.2 cm driver handles all of it without a second device on the desk.
• 2,200 Ω Impedance: This is an unusually high impedance figure for a USB-connected headset. In practice, because the device is USB-powered (not driven from a headphone amplifier jack), the USB audio controller handles the driving — so the high impedance doesn't create the volume shortfall it would on a passive 3.5mm connection. The tradeoff is that this headset will not work correctly on analog headphone jacks or low-power DACs; it is designed exclusively for USB-C host power.
• 86 dB Sensitivity: Sensitivity at 86 dB (1mW) is moderate — not a whisper-quiet transducer, but not a high-SPL driver either. It is calibrated for call audio at safe listening levels over long shifts, which aligns with occupational hearing safety guidelines relevant to call center and help desk deployments.
• In-Line Microphone with Button Volume Control: The in-line mic keeps the microphone close to the speaker without requiring a boom arm, making the form factor low-profile for users who move between desk and meeting room. The button volume control means mute and level adjustments happen at the cable, not via a softphone UI click — useful for non-technical users or front-desk staff who need fast call control without navigating a Teams window.
• 148 g Operational Weight: At 148 grams, this sits in the lightweight range for an on-ear ANC headset. Extended wear sessions — 4–8 hour call center shifts — are where headset weight directly correlates with user fatigue complaints. Lighter is meaningful here, not just a spec to quote.
• Windows and macOS Compatibility: Explicit OS compatibility verification for both Windows and Mac means IT can deploy against a mixed-endpoint fleet without compatibility exceptions. The Teams optimization indicates firmware-level integration with Teams call controls, not just generic USB audio class compliance.
• Multi-Certification (CB, CE, FCC, ICES, RCM, KCC): The certification stack covers North America (FCC, ICES), Europe (CE, CB), Australia/New Zealand (RCM), and South Korea (KCC) — relevant for multinational enterprises standardizing a single business headset SKU across regions. Procurement can place a single PO without per-region compliance review.

Integration and Compatibility

The 4XD1M45627 is optimized for Microsoft Teams and carries Teams certification, meaning call controls (answer, end, mute) mapped to the inline button are recognized natively by the Teams client. Compatibility extends to any USB-C host running Windows or macOS — the device operates as a standard USB Audio Class 2.0 device, so it will also function with other UC platforms (Zoom, WebEx, Google Meet) on those operating systems, though Teams-specific button mapping applies only within the Teams client. It does not support analog 3.5mm connections and is not designed for use with mobile phones via USB-C audio adapter — the 2,200 Ω impedance makes analog driving impractical. For organizations building out a unified communications endpoint standard or evaluating conferencing audio solutions, the wired form factor also integrates cleanly with hotdesk environments where headsets are shared between shifts and wireless device charging management is operationally prohibitive. The operating temperature range of -20°C to 70°C (-4°F to 158°F) covers standard office, data center front-of-house, and light industrial environments — though the headset is not rated for outdoor use or exposure to moisture.

Frequently Asked Questions

Q: Is the Lenovo 4XD1M45627 compatible with macOS, or is it Windows-only?

A: Both. The 4XD1M45627 supports Windows and macOS. It functions as a USB Audio Class device on both platforms. Teams-specific call-control button mapping requires the Microsoft Teams client installed on either OS.

Q: What is the warranty on the Lenovo 4XD1M45627?

A: Lenovo covers the 4XD1M45627 with a 2-year manufacturer warranty.

Q: Can I use this headset with a standard 3.5mm headphone jack?

A: No. The 4XD1M45627 connects exclusively via USB Type-C. Its 2,200 Ω impedance is engineered for USB-powered operation — it will not produce adequate volume from a passive analog headphone jack and is not designed for that use case.

Q: Does the ANC work passively, or does it require software or a driver to activate?

A: ANC on the 4XD1M45627 is hardware-based and built into the headset — it does not require a companion app or driver to function. Plugging the device into a USB-C port activates the headset; ANC operates at the hardware level.

Q: Is the 4XD1M45627 suitable for shared-use hotdesk environments?

A: Yes. The wired USB-C connection means no pairing state to reset between users, and no batteries to charge. For hotdesking or shift-based call center deployments where headsets rotate between employees, wired is operationally simpler than wireless — plug in and the device is ready.

Q: What certifications does the 4XD1M45627 carry for international deployments?

A: The headset is certified CB, CE, FCC, ICES, RCM, and KCC — covering North America, Europe, Australia/New Zealand, and South Korea. This makes it viable for multinational procurement without per-region compliance reviews.

James Everett

When I look at the 4XD1M45627, the spec that immediately frames the deployment conversation is the 2,200 Ω impedance. That number tells you this is not a general-purpose headset you plug into any available jack — it is designed specifically for USB-C host power, and it will behave poorly if someone tries to run it off an analog port or a USB-A to 3.5mm adapter. Get that in the deployment documentation before rollout, because it will come up as a helpdesk ticket otherwise.

Technical Highlights:

• Hardware ANC on a wired device: Most ANC lives in wireless headsets where battery headroom is available. Lenovo putting it here on a wired USB-C device gives you noise suppression without any RF spectrum management — relevant in dense floor plans where Bluetooth congestion is already a concern.
• Full 20–20,000 Hz driver range: The 3.2 cm driver covers the full audible spectrum. Voice calls won't use it all, but the same headset handles media review, recorded training sessions, and video playback without compromising — one SKU covers multiple use cases per seat.
• Multi-region certification stack (CB, CE, FCC, ICES, RCM, KCC): Six certifications in one SKU means a global enterprise can run a single part number across North America, Europe, APAC, and Korea without triggering separate regional compliance reviews on each procurement cycle.

Deployment Considerations:

• Confirm USB-C port availability on target workstations before rollout — particularly on older docking station configurations that may expose USB-A only. The 4XD1M45627 has no USB-A adapter in evidence, so port mapping is a pre-deployment step, not an afterthought.
• At 86 dB sensitivity, the headset is calibrated for call audio at conservative listening levels — this is appropriate for compliance with occupational hearing guidelines in call center environments, but users accustomed to higher-sensitivity consumer headphones may initially perceive it as quiet on media playback.

This headset is the right answer for a Teams-standardized call center or hotdesk environment where IT needs a consistent, wired, ANC-capable endpoint with zero pairing overhead and a single internationally-certified SKU that clears procurement in multiple regions simultaneously.