Buy Now...
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It also has one big plus over its larger sibling it is a lot cheaper.
The One S is 18cm across at the front and 14cm across at the back, it is 18.5cm tall at the front and 15cm tall at the back and 8.5cm thick.
The speakers are the front and sides of the unit.
At the rear near the base are seven buttons and inputs in a line.
The top has a line of nine not that easy to read buttons the pale grey markings are on a black background and only really clear in a good light.
There is a single bar LED on the front near the right that is either off, flashing white when connecting or solid white when on.
There is a twelve page A5 Quick Reference Guide, this is probably enough but a full manual is available online.
As the markings on the top buttons are so indistinct I used the illustration in the Guide until I knew which button I needed without any difficulty. They are laid out in groups of three the first group are Preset buttons for easy access to your three favourite Internet Radio stations.
The centre three slightly more deeply reset are track back, play/pause/standby and track forward. The last three are from the right volume up, volume down and control button.
The seven buttons and inputs on the back are 3.5mm Line In, Bluetooth pairing button, Setup Button, Reset Button, USB2, Ethernet and Mains Adapter.
Like so many things today it is controlled by an iOS or Android App. However while the setup is straightforward those wanting an instant fix can just pair with your mobile phone via Bluetooth to play or stream from your phone, there is plenty of volume which can be lowered either from the device or using the volume buttons on your phone.
It uses the same Raumfeld/Teufel App as the One M and has all the same features which I described in that item. If using a USB stick or listening to an Internet radio station your mobile is not required once things are set, the phone can go out of range or be switched off and the music continues, however you would lose knowing what is currently playing as your phone would be the method of displaying the song title etc.
If the group of tracks selected via USB stick has played through the track forward button on the device will replay those tracks.
While both units had an Ethernet port I was able to setup and use the unit with Wi-Fi which means as long as power is connected to the unit it works.
For a smaller sibling the One S still has a good sound and volume level and as it is quite a lot cheaper could be a very good buy.
The Teufel One S is available in black or white from the link below for £179.99.
https://www.teufelaudio.com/uk/wifi/teufel-one-s-p16558.html