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Siemens Gigaset

Siemens Gigaset SL400A Quad

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this product has 74reviews 18questions


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Customer rating: 4.4 out of 5 | read 74 reviews or add a review

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Siemens Gigaset SL400A Price incl. VAT £109.99

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Siemens Gigaset SL400A Twin Price incl. VAT £179.99

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Siemens Gigaset SL400A Trio Price incl. VAT £269.99

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Siemens Gigaset SL400A Quint Price incl. VAT £429.99

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Siemens Gigaset SL400A Sextet Price incl. VAT £509.99

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Siemens Gigaset SL400H Price incl. VAT £84.99

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1.8” high-resolution TFT colour display Genuine metal frame and keypad Answering machine with up to 45 minutes recording time Data synchronisation

Gigaset SL400A Design Award

Siemens Gigaset SL400A Quad: Award winning style, high-end performance

A superbly stylish quad set of cordless phones, the SL400A, was the recipient of the iF Style Award and has been the number one choice for discerning users looking for a designer phone that delivers on top quality features and sound.

Superior build-quality and functionality

Gigaset SL400A Cordless PhoneEach handset boasts a high-quality, genuine metal keypad and frame, and has been stringently tested by Gigaset to ensure longevity of life, not to mention the sense of luxury the SL400A brings. With the high-resolution 1.8” TFT colour display, users are invited to navigate through the intuitive menus and take advantage of the numerous features on offer, such as: synchronisation of contacts with Outlook, customisable menus, intercom, photo upload for Picture Caller ID and/or screensaver, to name but a few. Jump ahead to the features section, for the full list of benefits.

Pioneering sound performance

GIgaset have been investing in optimising sound performance of their DECT phones for years, and the SL400A bears the fruit of their labour. Gigaset SL400A High Sound PerformanceFeaturing their HSP and HDSP technology, users can expect to enjoy calls in highest clarity, whether listening via the ear-piece, hands-free loudspeaker, or Bluetooth headset.

For analogue line (BT, Virgin, TalkTalk, etc.)
Advanced Features
Incoming call vibrate
Anonymous call blocking/silencing Anonymous call silencing
Repeater compatible


Headset compatible
  • Via Bluetooth
  • Via GAP
Hearing Aid Compatible via Bluetooth
Large buttons/font No | Yes
Data synchronisation Yes
Picture caller ID
Screen size | Backlit 1.8
Colour Yes
Backlit/ Illuminated Keypad
Date & time
Screensavers pre-installed | downloadable Yes | Yes
Out of range indicator | alert Yes | Yes
Low battery indicator | alert Yes | Yes
Space per entry 3 numbers; First and last name; Anniversary with reminder; VIP ringtone; Picture
VIP contacts
Phonebook transfer
Room/baby monitoring
Night Mode
Base Answering Machine
Record time 45
Remote access from outside line
SMS/email notification of new messages
Playback: handset| base Yes | No
Pre-recorded/ personalised outgoing message Yes | Yes
PIN protected
Protection of recording against power failure
Handset locator
Call management & sound
Call transfer between handsets
Call waiting
Conference call
Internal calls (intercom)
Hold | with music Yes | Yes
Last number redial
One-touch loudspeaker
Earpiece volume control 5 levels
Handsfree volume control
Call Duration displayed
List of last...missed calls with time/date 20
List of last...dialled numbers with time/date 20
Two-way recording
Ringtones: melodies| polyphonic | real | downloadable 5 | 3 | 15 | Yes
Technical information
Talk time 14 hours
Standby time 200 hours +
Handset dimensions (mm) 120.8 x 46 x 16
Base dimensions (mm) 117 x 115 x 47
Charger dimensions (mm) 49 x 126.2 x 60.5
Battery type Li-Ion
Battery capacity 750 mAh
Transmission technology DECT & GAP
Frequency band 1.88 to 1.90 GHz
Languages Yes (21)
Why not save up and get great accessories? Select from additional handsets, wireless headphones, or go for extra long range with a DECT repeater


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add RTX Repeater  to packageRTX Repeater
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Siemens Gigaset SL400A Quad Siemens Gigaset SL400A Quad

Top 7 Product Questions for Siemens Gigaset SL400A Quad

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of customers would recommend this product
Average Customer Review
more score details
Customers most agreed on the following
Good points
  • Easy to read screen (7)
  • clear voice (5)
  • Lightweight (5)
  • long lasting (3)
  • Easy to use (2)
Bad points
  • None (2)
  • None (2)
  • Volume inadequate (1)
  • size (1)
  • Redial Ability (1)

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The most helpful favorable review 33 of 35 people found the following review helpful

product reviewsproduct reviewsproduct reviewsproduct reviewsproduct reviews 4.7/5 If you want the best. "I looked at all of the quality handsets on the market to replace the panasonic handsets I have used for about 4 years. The SL400A is certainly expensive, but looking at the quality of build, finish and features it's ... Read the full review › Apr 11, 2014 by Anonymous

The most helpful critical review 33 of 41 people found the following review helpful

product reviewsproduct reviewsproduct reviewsproduct reviewsproduct reviews 3.3/5 If style is your thing... "Excellent though this phone may be I don’t think it’s worth three times as much as a good Panasonic but that’s probably because I value function over form. If style is your thing then go for it because it is, ... Read the full review › Jan 21, 2014 by John

read 1 review
Product Manuals Siemens Gigaset SL400A Quad
Gigaset SL400A - User Manual.pdf

Siemens Gigaset SL400A Quad
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