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Siemens Gigaset

Siemens Gigaset SL450A with GN9120DG Wireless Headset

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Customer rating: 4.4 out of 5 | read 3 reviews or add a review

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Made with the finest materials: handset with aluminium frame German build quality - 2 year warranty Gigaset GO to connect with your Smartphone Includes Jabra GN9120DG Wireless Headset

Gigaset SL450A GO Premium Cordless Phone with Wireless Headset

The Gigaset SL450A GO is latest top of the range cordless phone from Gigaset. Boasting a stylish genuine metal frame and cradle, large colour display, and future-proof technology, this is one of the most advanced DECT phones on the market. Designed for both landline and VoIP and featuring Smartphone integration, the SL450A is ideal for home and office use and now comes with a top-class wireless headset from Jabra – the GN9120 DG – so that you can experience a better sound quality handsfree.

Gigaset SL450A

Better call quality with HD sound

Experience better calls with the Gigaset SL450A GO thanks to integrated HDSP for crystal clear sound quality whether you’re connected to landline or VoIP. And with a dependable range of up to 50 metres indoors and up to 300 metres outdoors, you’ll be able to enjoy HD sound on your phone throughout your home or office.

Includes Gigaset GO

Gigaset GODesigned to make upgrading your cordless phone easier, the Gigaset GO features enable you to transfer contacts from your Smartphone seamlessly via the intuitive Contacts Push app (available for iOS and Android). And with Gigaset GO you can also set-up notifications on your smartphone for missed calls and voicemails on your SL450A.

Answer machine, phonebook & more

Never worry about missing another call or running out of space on your answering machine with the SL450A, which has a capacity for up to 55 minutes of messages. The phonebook can store 500 entries (with the option of 3 numbers, email & picture per contact) and the SL450A is repeater compatible.

9120DG Wireless Headset

The Jabra GN9120 DG Wireless Headset

Whether cooking at home or working in an office, the Jabra GN9120 DG lets you get more done whilst you’re on a call. With up to 12 hours of continuous talk-time and a wireless range of up to 150 metres you’ll be able to enjoy crystal-clear sound throughout your home or office. The GN9120DG can be paired with the S850A GO in a few simple steps after which you’ll be able to answer incoming calls directly from the headset. (*please note that it is not possible to place any internal or external calls using the headset as there is no keypad connected to it – you will need to dial out using the cordless phone and transfer the call to the headset)

Why should you buy this cordless phone with wireless headset?

The Gigaset SL450A is a top-class cordless phone that has been made in Germany, and offers the best hands-free call quality with the included Jabra Wireless Headset.

For analogue line (BT, Virgin, TalkTalk, etc.)
For VoIP line
No of handsets 1
System can be expanded to 6 handsets in total
Answering machine Yes
Caller ID (Display):
Wall mountable base | additional handsets Yes | Yes
Range indoors | outdoors in metres up to 50 m | up to 300 m
Talk time | standby in hours up to 12 h | up to 300 h
Warranty 2 years
Advanced Features
Incoming call vibrate
Anonymous call blocking/silencing Yes | Nuisance Call Blocker
Repeater compatible


Headset compatible

Bluetooth, GAP and 2.5 mm headset

Data synchronisation Yes
Picture caller ID
Display & Keypad TFT | Yes
Screen size | Backlit 2.4 inch | Yes
Colour Yes
Backlit/ Illuminated Keypad
Date & time
Screensavers pre-installed | downloadable Yes
Out of range indicator | alert Yes | Yes
Low battery indicator | alert Yes | Yes
Phonebook features: Address, email, etc.
VIP contacts
Phonebook transfer
Additional features: Nuisance Call Blocker
Room/baby monitoring
HDSP Audio
Visual message / call indicator
Base Answering Machine
Record time 55
Remote access from outside line
SMS/email notification of new messages
Playback: handset| base Yes | No
Pre-recorded/ personalised outgoing message Yes | Yes
Protection of recording against power failure
Handset locator
Call management & sound
Call blocking
Call transfer between handsets
Call waiting
Conference call
Internal calls (intercom)
Hold | with music Yes | Yes
Last number redial
One-touch loudspeaker
Handsfree volume control
Call Duration displayed
List of last...missed calls with time/date 20
List of last...dialled numbers with time/date 20
Ringtones: melodies| polyphonic | real | downloadable 22
Technical information
Talk time 12 hours
Standby time 200 hours +
Handset dimensions (mm) H130 x W51 x D19
Base dimensions (mm) H132 x W105 x D46
Charger dimensions (mm) H70 x W59 x D29
Battery type Li-Ion
Transmission technology DECT & GAP
Languages 27
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Average Customer Review
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Customers most agreed on the following
Good points
  • Looks good/design (3)
  • Sound quality (3)
  • Easy to set up (1)
  • Easy to use (1)
Bad points
  • None (3)

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Product Manuals Siemens Gigaset SL450A with GN9120DG Wireless Headset

Siemens Gigaset SL450A with GN9120DG Wireless Headset
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