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Sennheiser

Sennheiser 615104247390 SD Office Wireless DECT Headset

★★★★★3.8 (23 reviews)

Stay Connected and Productive with Wireless FreedomThe Sennheiser SD Office Single-Sided DECT Wireless Headset offers enhanced flexibility and crystal-clear communication for desk phone and softphone/PC connections. With a noise-canceling microphone, intuitive call control, and long-distance wire...

$289.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Stay Connected and Productive with Wireless Freedom

The Sennheiser SD Office Single-Sided DECT Wireless Headset offers enhanced flexibility and crystal-clear communication for desk phone and softphone/PC connections. With a noise-canceling microphone, intuitive call control, and long-distance wireless range, this headset is designed for all-day use in a busy office environment.

  • Brand: Sennheiser
  • Model: SD Office (506006)
  • Type: Single-Sided DECT Wireless Headset
  • Connectivity: Desk Phone & Softphone/PC
  • Microphone: Noise-Cancelling
  • Wireless Range: Up to 590 ft.
  • Features: Multiple Wearing Styles, ActiveGard Technology

Key Features

Enhanced Flexibility: This office headset is designed for business professionals who communicate with a desk phone and softphone/PC

Dual Connectivity: Switch from deskphone to PC with just a touch on the base station

Noise-Cancelling Microphone: Filters out all unwanted background noise for crystal-clear conversations

Fluid Conferencing: Up to 4 headsets can be paired to a single DECT base station for a call, making conferencing as simple as it should be

Intuitive Call Control: Answer/end a call, mute the microphone, and adjust volume directly on the headset for added simplicity

ActiveGard Technology: Featuring patented hearing protection to defend against acoustic shock caused by sudden sound bursts

Peace of Mind: With a 2-year warranty on all headsets (including batteries), you never have to worry about the quality if your office headset

Voice Clarity: Delivers a warm and more natural sound that allows you to catch the tone of your callers’ voices and avoid misunderstandings

All-Day Use: Designed to last a working day with extra soft leatherette ear pads and a comfortable headband for maximum wearing comfort

Long-Distance Wireless Range: Extends your working range up to 590 ft. in line of sight so you’re always in contact with your phone

Specifications

Connectivity
Dual (Desk phone, Softphone/PC)
Microphone Type
Noise-Cancelling
Conferencing Capability
Up to 4 headsets on one base station
Call Control
On-headset (Answer/end, mute, volume)
Hearing Protection
ActiveGard Technology
Warranty
2-year (including batteries)
Ear Pad Material
Extra soft leatherette
Wireless Range
Up to 590 ft (line of sight)
Technology
Wireless DECT

Pros & Cons

👍 Pros

  • Offers dual connectivity, seamlessly switching between a desk phone and a softphone/PC with a single touch on the base station.
  • Equipped with a noise-cancelling microphone that effectively filters out unwanted background noise for crystal-clear conversations.
  • Allows for fluid conferencing, enabling up to four headsets to be paired to a single DECT base station for simplified group calls.
  • Provides intuitive call control directly on the headset, including answer/end call, mute, and volume adjustments for user convenience.
  • Features ActiveGard Technology, a patented hearing protection system designed to defend against acoustic shock from sudden sound bursts.
  • Guaranteed with a 2-year warranty, covering the headset and batteries, offering peace of mind regarding product quality.
  • Designed for all-day use with extra soft leatherette ear pads and a comfortable headband, ensuring maximum wearing comfort.
  • Delivers a long-distance wireless range of up to 590 feet in line of sight, providing significant mobility within the office environment.

👎 Cons

  • Requires a base station for dual connectivity, which adds to the overall setup and desk footprint.
  • The advanced features and professional design might place it at a higher price point than basic headsets.
  • DECT technology, while secure, may have specific regional frequency regulations that users must be aware of.
  • The maximum wireless range of 590 ft is specified as "in line of sight," which can be significantly reduced by walls and obstacles.
  • While comfortable for all-day use, individual preferences for headset fit and weight may vary.

Frequently Asked Questions

Yes, the Sennheiser SD Office Wireless DECT Headset offers dual connectivity, allowing you to switch between a desk phone and a softphone/PC with a single touch on the base station.
Absolutely, it features a noise-cancelling microphone specifically designed to filter out unwanted background noise, ensuring crystal-clear conversations.
For easy conferencing, up to four of these headsets can be paired to a single DECT base station for a group call.
Yes, the Sennheiser SD Office headset comes with a 2-year warranty on all headsets, including the batteries, providing assurance of quality.
This headset is designed for all-day use, featuring extra soft leatherette ear pads and a comfortable headband to maximize wearing comfort during long workdays.
This headset provides a long-distance wireless range of up to 590 feet in line of sight, allowing for significant mobility while staying connected to your phone.
Yes, it incorporates ActiveGard Technology, which is a patented hearing protection system designed to defend against acoustic shock caused by sudden sound bursts.

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