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TM

DW Pro 1 ML 

Single-sided DECT headset

Enjoy your calls in HD voice clarity and get 
natural high-defi nition sound for superior 
voice clarity. Work safe in the knowledge 
that the ActiveGard™ technology will 
protect your hearing.
Imagine making every call in comfort, and 
being able to focus on what’s important: 
the conversation.

Benefi ts and Features: 

   Optimized for Microsoft Lync
   Iconic design – crafted for best comfort
   Sennheiser HD voice clarity – wideband 

sound for natural listening experiences

  Ultra noise-canceling microphone fi lters  

  out unwanted background noise

   Pairing for desk sharing and phone 

conferences – intuitive and easy to set up

   Microphone mute and volume up and 

down – intuitive user interface

   Full workday talk time – 8 hours in wide-

band sound mode and 12 hours in   
narrowband sound mode

   Re-charge 50% of your battery in    

20 minutes – intelligent fast charging

   Long distance wireless range – in typical 

offi ce building: up to 55 m and in 

 

line of sight: up to 180 m

   ActiveGard™ technology – protects your 

hearing against acoustic shock

Product name

DW Pro 1 ML- EU 

 

DW Pro 1 ML- UK

 

DW Pro 1 ML - US

 

DW Pro 1 ML - AUS

Order name
EAN No.

DW 20 ML – EU 

DW 20 ML – UK 

DW 20 ML – US 

DW 20 ML – AUS

40 44155 05192 6  

40 44155 05194 0 

40 44155 05193 3 

40 44155 05195 7

UPC No.

6 15104 18195 3 

6 15104 18197 7 

6 15104 18196 0 

6 15104 18198 4

Art. No.

504458 504460  504459  504461

Technical Data 

 

DECT for EU, UK, AUS

DECT CAT-iq (1.880 to 1.900 MHz)

DECT for US

DECT 6.0 (1.920 to 1.930 MHz)

GAP compatible

Yes (Headset)

Headset

Connect to Base

Base Station

Connect to desk phone and softphone

Headset Auto Link to Base

Yes, can be activated on the base station

Firmware Requirement

V. 89 or higher for headset and base

EHS (Electronic Hook Switch) 

Yes (accessory – order EHS adapter separately)

Mechanical Hook Lifter

HSL 10 (accessory – order separately)

Call control

Plug and play

MS Communicator 2007 R2 certifi ed/
optimized

Yes

MS Lync certifi ed/optimized

Yes

Microphone

 

Frequency response Wideband 
Mode

150 Hz – 6.8 KHz 

Frequency response Narrowband 
Mode 

300 Hz – 3.5 KHz

Mute Microphone

Yes

Speaker

 

Speaker type

Neodynium Magnet Speaker

Frequency response Wideband 
Mode

150 Hz – 6.8 KHz 

Frequency response Narrowband 
Mode 

300 Hz – 3.5 KHz

All acoustic parts observe the TIA-920 wideband standards

Product Information

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