Best Sinus 12 2026

Advertising Disclosure

Last Updated - 22.07.2026

Best Choice

01

Deutsche Telekom

Telekom Sinus Telephone Set

10% Off

Show more
9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Standby time 245 hours/talk time 18.5 hours.
Phonebook can be synchronised among all Sinus 207 handsets
Large illuminated monochrome graphic display
Easy menu navigation
Blue Angel certificate: official environmental label of the German Environment Agency

78,53 € 87,72 €(10% Off off)
02

Gigaset

Gigaset CL660HX universal handset - cordless IP / design telephone (for connection to base stations or router - with large display and brilliant voice quality) anthracite-metallic

24% Off

Show more
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

plenty of space for your contacts - the CL660HX stores up to 400 contacts you Synchronize via USB connection and your PC - speak hands-free thanks to headset connection
ideal design - the phone is characterized by its high-quality workmanship - the keypad is frameless and the slim silhouette ensures ideal grip
Various connection options - The handset can be connected to DECT / GAP telephone bases or to routers (with and without CAT -iq) such as B. Fritzbox can be connected
Quality made in Germany - The CL660HX is manufactured in Germany - DECT technology ensures ideal call quality and ECO-Dect mode reduces radiation and consumption
Easily and quickly connected - Connect the charging cradle to the socket and select a router or base station on the handset - The IP telephone can be set up directly

55,40 € 72,99 €(24% Off off)
Value for Money

03

Deutsche Telekom

Telekom Sinus 12 cordless landline phone cordless in black, 5 cm colour display, illuminated keyboard. Connection-independent use on all standard routers and standard connections

30% Off

Show more
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

With base for use with standard connection.
Initial installation wizard for easy installation
Ergonomic shape and intuitive keypad layout with multifunction button
Convenient signalling of new calls, hearing aid compatibility
5 cm colour display and simple user interface

31,99 € 45,88 €(30% Off off)
04

Deutsche Telekom

Telekom Sinus A 12 (Black)

22% Off

Show more
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Wide and widely connected: with a battery life of up to approx. 20 hours. Standby: up to 200 hours. and a range of up to 50 m (indoor)/300 m (outdoors).
Simply do not approach: the integrated answering machine can take over if required. With LED signal for new calls
SIMPLE & SOUNDFUL: Simple design and full sound - that's how comfortable we make calls today. With 5 cm TFT display, ergonomic shape and intuitive operation.
Many family-friendly functions: phone book (up to 100 entries), redial, call history, alarm clock and room monitoring (baby function).
CERTIFIED TO DECT-CAT-iq STANDARD 2.0: With base for use on the standard connection. Can also be operated on any router or directly on your Telekom Speedport (e.g. Speedport Smart (3) or Speedport Pro Plus) in conjunction with an IP connection. Expandable with 4 additional handsets/speedphones.

42,95 € 54,99 €(22% Off off)
05

Deutsche Telekom

Telekom Speedphone 12 Wireless Landline Phone For Use With Current Speed Ports, 5 cm Colour Display, High Voice Quality, Awarded The Blue Angel

20% Off

Show more
9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

No cable connection to the speed port required - can be set up flexibly.
Initial installation wizard for easy set up.
High voice quality – rich, clear and natural sound during phone calls.
Ergonomic shape and intuitive key layout with multifunction button.
Clear 5 cm colour display with a simple user interface.

35,99 € 44,99 €(20% Off off)
06

Deutsche Telekom

Telekom Sinus 207 - DECT Landline Phone with Base Station & Handset - Fritz!Box Compatible - Black, Wireless, Easy Operation

Show more
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Standby time 245 hours/talk time 18.5 hours.
Phonebook can be synchronised among all Sinus 207 handsets
Large illuminated monochrome graphic display
Easy menu navigation

29,99 €
07

Deutsche Telekom

Telekom Speedphone 12 Petrol

Show more
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Up to 100 phonebook entries
High voice quality - full, clear and natural sound for phone calls
Easy to set up thanks to the initial installation wizard
Clear design - ergonomic form factor and intuitive button arrangement with multifunctional button
Clear 2 inch colour display and simple user interface

40,99 €
08

Gigaset

Gigaset AS690A - cordless phone with answering machine - DECT phone with hands-free function, large display, large buttons - landline phone, white

Show more
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Strong functions: integrated answering machine with up to 20 minutes recording time, brilliant sound quality (even when hands-free calling), 5-level volume control, call protection for 32 lock numbers
Quality made in Germany – designed and manufactured in Germany – the environmentally friendly Eco Dect technology ensures reduced energy consumption
Easy installation – simply connect the base station to the wall phone socket and start making calls directly – benefit from a quick and easy setup of your new phone
Do you have any questions about this product? Contact Gigaset customer service at 02871-912 912 (for your provider's landline tariff)
Box contents: 1 x base station Gigaset AS690A with integrated answering machine, 1 x Gigaset AS690 handset, 1 x power supply, 1 x telephone connection cable, 2 x AAA batteries (NiMH)
A reliable companion – the Gigaset AS690HX impresses with a large, high-contrast display and ensures best readability thanks to the extra large number display in dial mode. Only compatible in Germany - more information on the Gigaset homepage.

45,99 €
09

CELLONIC

CELLONIC 2 x Battery for Landline Compatible with Telekom Speedphone 12, Sinus 206 - (1000 mAh, 1.2 V)

Show more
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Long Battery Life - High quality NiMH battery delivers reliable performance, many charge cycles and low self-discharge for daily use
High capacity - 1000 mAh for efficient, long-lasting energy and stable performance
Fit and Compatibility - Replacement battery compatible with Telekom Speedphone 12, Sinus 206, 11, 207, 32, 10, 52, 205, A206, A32,...
Clever & cost-effective - Replace battery, extend device life and reduce replacement costs
BUILT FOR RELIABILITY - Manufactured to strict quality standards for safe and consistent power supply

6,90 €
10

Green Cell

Green Cell® 300 W / 600 W 12 V to 230 V Pure Sine Volt Car Voltage Converter Inverter Pure Sine Wave Power Solar Inverter DC AC Converter Current Transformer Cigarette Lighter Socket

Show more
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

With this inverter you can operate your 230 V devices via a 12 V battery and a continuous output of 300 W with short-term peak power of up to 600 W. The rated cable for connecting the cigarette lighter is max. 150 W.
Universality - The Green Cell inverter not only has sockets to connect electrical devices, but also has a USB port for charging smaller devices such as smartphones and tablets
Pure sine wave - Works perfectly with devices that require a continuous power supply with the same current as in the socket. These include drills, construction machines, solar systems, ovens and central heating pumps.
Always have a connection - An inverter is a device that allows electrical devices to be used anywhere, even if you are not at the power source
Absolute safety - No need to worry about power surges. The inverter has a whole range of safety features and safety certificates to ensure smooth operation.

48,20 €