---
product_id: 8843529
title: "Sennheiser SD Office ML (506009) - Single-Sided DECT Wireless Headset for Desk Phone and Skype for Business Connection, Noise-Cancelling Microphone, Multiple Wearing Styles (Black)"
brand: "epos"
price: "$662.13"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/8843529-sennheiser-sd-office-ml-506009-single-sided-dect-wireless-headset
store_origin: EC
region: Ecuador
---

# 590 ft Range Dual Connectivity Noise-Cancelling Mic Sennheiser SD Office ML (506009) - Single-Sided DECT Wireless Headset for Desk Phone and Skype for Business Connection, Noise-Cancelling Microphone, Multiple Wearing Styles (Black)

**Brand:** epos
**Price:** $662.13
**Availability:** ✅ In Stock

## Summary

> Stay Connected, Stay Comfortable! 🎧

## Quick Answers

- **What is this?** Sennheiser SD Office ML (506009) - Single-Sided DECT Wireless Headset for Desk Phone and Skype for Business Connection, Noise-Cancelling Microphone, Multiple Wearing Styles (Black) by epos
- **How much does it cost?** $662.13 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/8843529-sennheiser-sd-office-ml-506009-single-sided-dect-wireless-headset)

## Best For

- epos enthusiasts

## Why This Product

- Trusted epos brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Day Comfort:** Designed for long hours with soft leatherette ear pads and a lightweight headband.
- • **Intuitive Control:** Manage calls with ease—answer, mute, and adjust volume directly from your headset.
- • **Fluid Conferencing:** Connect up to 4 headsets to one base station for effortless team collaboration.
- • **Seamless Switching:** Effortlessly transition between desk phone and PC with a single touch.
- • **Crystal-Clear Conversations:** Experience unparalleled clarity with a noise-cancelling microphone that eliminates distractions.

## Overview

The Sennheiser SD Office ML is a versatile single-sided DECT wireless headset designed for professionals who need seamless communication between desk phones and PCs. With features like a noise-cancelling microphone, long wireless range, and all-day comfort, it’s perfect for enhancing productivity in any office environment.

## Description

Sennheiser SD Office ML (506009) - Single-Sided DECT Wireless Headset for Desk Phone and Skype for Business Connection, Noise-Cancelling Microphone, Multiple Wearing Styles (Black)

## Features

- Enhanced Flexibility: This office headset is designed for business professionals who communicate with a desk phone & PC/softphone
- 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
- 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
- Connectivity technology: Wired

## Product Details

- **Brand:** EPOS
- **Color:** Black
- **Telephone Type:** Cordless
- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Material:** Plastic
- **Power Source:** Battery Powered
- **Item dimensions L x W x H:** 6.3 x 6.5 x 6.3 inches
- **Answering System Type:** Digital
- **Item Weight:** 0.45 Pounds
- **Compatible Devices:** PC

## Images

![Sennheiser SD Office ML (506009) - Single-Sided DECT Wireless Headset for Desk Phone and Skype for Business Connection, Noise-Cancelling Microphone, Multiple Wearing Styles (Black) - Image 1](https://m.media-amazon.com/images/I/61j23rDS-FL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: Is this compatible with the RCA 25423/24?**
A: Good day, and thank you for your question.  Yes, this headset can be used with your phone, but you will need an HSL 10 for remote answering.  Please see our compatibility guide below-

http://sennheiser-headset-compability.herokuapp.com/

Hopefully this helps, and have a good afternoon.

**Q: Is this fully compatible with Avaya 9504?**
A: Yes it should be compatible with the Avaya 9504 phone. But you must buy the Sennheiser Avaya adapter also.

**Q: Is this the Office ML version that has the multiple earpiece options (ear hook and headband)?**
A: No difference in the included accessories between versions. ML just stands for Microsoft Lync. But yes, this is MS Lync certified as indicated in the description.

**Q: i would like to know will it work with iphones**
A: No, it has no bluetooth feature.

## Frequently Bought Together

- Sennheiser SD Office ML (506009) - Single-Sided DECT Wireless Headset for Desk Phone and Skype for Business Connection, Noise-Cancelling Microphone, Multiple Wearing Styles (Black)
- Dell SE2722HX Monitor - 27 inch FHD (1920 x 1080) 16:9 Ratio with Comfortview (TUV-Certified), 75Hz Refresh Rate, 16.7 Million Colors, Anti-Glare Screen with 3H Hardness - Black
- Logitech H390 Wired Headset for PC/Laptop, Stereo Headphones with Noise Cancelling Microphone, USB-A, In-Line Controls, Works with Chromebook - Black

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ec/products/8843529-sennheiser-sd-office-ml-506009-single-sided-dect-wireless-headset](https://www.desertcart.ec/products/8843529-sennheiser-sd-office-ml-506009-single-sided-dect-wireless-headset)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-21*