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Lightweight DECT wireless headset with headband and boom microphone, matte black finish

Sennheiser

Sennheiser 506009 DECT Wireless Headset telephone accessory

SKU CH-TFGC-SH2CA

A DECT wireless headset offering up to 12 hours talk time, 55 m indoor range and 50 % charge in 20 minutes

  • TypeHeadset
  • SpecificationsFrequency response: Narrowband: 300 Hz - 3.500 Hz Wideband:
  • FeaturesIntuitive user interface - Mute microphone and adjust volume
  • Clear calls with wideband audio up to 6.800 Hz
  • All-day talk time of 12 hours in narrowband mode
  • Fast charge to 50 % in 20 minutes for 4 hours use
  • Roam up to 55 metres inside a typical office
  • ActiveGard protects hearing from sudden sound surges

Sennheiser 506009 DECT Headset

The Sennheiser 506009 is a DECT wireless headset designed for office professionals who need mobility during calls. It connects to a base station that supports both desk phone and softphone channels with a one-touch switch. The headband version weighs 50 g while the ear hook version weighs 22 g, and both use a 50 mm earpad for comfort.

Suits mobile office workers.

This headset suits workers who move around the office or home while staying on calls, offering up to 55 m range in a typical building and 180 m in line of sight. Buyers who only take calls at a fixed desk and prefer a lighter wired solution should look at something else. The noise-cancelling microphone filters background noise for clearer speech in open-plan environments.

Eight-hour wideband talk time with fast recharge

Under sustained daily use the battery delivers up to 8 hours of talk time in wideband mode or 12 hours in narrowband mode, covering a full workday. Intelligent fast charging provides 50 % capacity in 20 minutes, yielding roughly 4 hours of additional talk time, while a full charge takes 1 hour. ActiveGard technology protects hearing against sudden sound surges during long sessions. Standby time reaches up to 100 hours.

Highlights

  • Clear calls with wideband audio up to 6.800 Hz
  • All-day talk time of 12 hours in narrowband mode
  • Fast charge to 50 % in 20 minutes for 4 hours use
  • Roam up to 55 metres inside a typical office
  • ActiveGard protects hearing from sudden sound surges

Specifications

BrandSennheiser
Model506009
TypeHeadset
SpecificationsFrequency response:
Narrowband: 300 Hz - 3.500 Hz
Wideband: 150 Hz - 6.800 Hz
Weight:
headband version: 50 g
ear hook version: 22 g
Earpad size: 50 mm / 1.96 inches
Charging time:
0 - 50: 20 min
0 - 100: 1 h
Standby time: up to 100 h
Range:
line of sight: 180 m
in typical office building: 55 m
Talk time
Wideband: up to 8 h
Narrowband: up to 12 h
FeaturesIntuitive user interface - Mute microphone and adjust volume up or down
Full workday Talk Time - 8 hours in wideband sound mode and 12 hours in narrowband sound mode
Intelligent fast charging - 50% in 20 minutes gives you 4 hours talk time
Long Distance Wireless Range - In typical office building: Up to 55 m and in line of sight: Up to 180 m.
Protected hearing - ActiveGard technology protects against acoustic shock and sudden sound surges
Boosted productivity - Noise-canceling microphone filters out unwanted background noise
Desk phone & softphone - Switch from one communication chan
Shipping weight0.45 kg
Package size229 × 203 × 152 mm

Questions about this item

Does the Sennheiser 506009 headset require a specific desk phone or softphone platform to operate?

It is designed to connect to a desk phone or softphone via the included DECT base station, which handles the wireless link and call switching between the two channels.

Can I keep using my existing wired headset while the Sennheiser 506009 base station is connected to the same phone?

The base station connects to the phone's headset or handset port; whether both devices work simultaneously depends on the phone's own port configuration and switching logic.

How do I confirm the Sennheiser 506009 is charging correctly after placing it in the base station?

The intelligent fast charging delivers 50 % capacity in 20 minutes and a full charge in 1 hour; the base station indicators show charging status and battery level.

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