SR-50 Smartradio(
388,94 €

    • Not available now!
    • Shipping time:
  • Item number: AB1703
The little brother of the popular SR-100, now with powerful bass sound thanks to built-in subwoofer on the top of the device.
  • Network up to 5 devices

  • Colordisplay with Cover-Artwork

  • Subwoofer integrated

  • Streaming Spotify | NAS | Server

The compact powerhouse
in our Smartradio family

CD, DAB +, Internet radio, FM, amplifier, network audio player and Bluetooth player, and all images displayed on a high resolution color display!

Additional functions:
- Spotify® Connect
- Integrated Bluetooth Receiver
- USB input for USB sticks
- All functions controllable by APP (UNDOK®)
- Can be used as multiroom base unit
- Snooze function
- Wake function with two different points in time

View specifications

SR-50 Smartradio

Great sound
in the smallest space!

Spatial stereo sound through integrated 2x 4 Watt full-range speakers in 3 inch size.

Powerful sound thanks to the built-in active subwoofer on the top of the case!

The volume can be controlled either via the multifunction knob on the front, on the remote control or via the smartphone app (UNDOK®).

With the remote control can also be made adjustments in the bass and treble range (Your EQ) or you can choose between various presets like Normal, Centered, Jazz, Rock, Soundtrack, Classical, Pop and News.

SR-50 Smartradio

Triple Tuner.
Typically Block.

In addition to classic FM reception, the SR-50 also receives the new digital radio DAB +, which has become very common in Germany and sends in excellent CD quality.

By far the largest amount of channels with over 30.000 stations from around the world, receives the Internet Tuner of SR-50, which can be optionally operated with WLAN.

In order to keep track of these channels, you can register your SR-50 on the Internet and easily manage your favorites.

In addition there are up to 10 fixed presets, that can be conveniently stored and accessed via the remote control.

View specifications

SR-50 Smartradio

on board.

The integrated CD player is equipped with a solid slot-in CD drive, reading the media CD, MP3 CD, CD-RW and CD-DA.

Bluetooth -
just pair.

Even easier is pairing your smartphone, tablet PCs or computer with the new built-in Bluetooth® function.

Simply select the SR-50 as an output device and play music easily without complicated configuration.

The SR-50 only works as a Bluetooth receiver, but not as a Bluetooth transmitter.

and Streaming.

Thanks to its networking capability via WLAN and DLNA standard the SR-50 with can connect to virtually any PC, music server or UPnP device (for example, NAS) and use it as a music source.

Also, you may wirelessly play music from various mobile devices via the SR-50. With the APP "UNDOK®" (available for iOS and Android), you can use your smartphone as a remote control for the SR-50 and select functions such as channel selection and digital sources.

In addition, you can control the volume and the standby or manage multiroom groups by APP.

Using the rear panel USB port, even music from USB flash drives or hard drives can be played. It processes the standard formats such as AAC, AAC +, MP3, WAV, WMA, FLAC.

The SR-50 can serve as a base unit for the new block Multiroomsystem:

SR-50 Smartradio

The BLOCK Multiroom-System

Music for All.

The SR-50 has a native Spotify® support.

The condition is that you use a Spotify® premium account.

Simply select in your Spotify® app the SR-50 as an output device and stream music over your wireless network.

You do not have a premium account? No problem, you play Spotify free easily using the integrated Bluetooth function.

SR-50 Smartradio

What experts say about the SR-50 (German):

HiFi-Test: Spitzenklasse | Hervorragend | Note: 1,1
HiFi-Test: Praxistipp Spitzenklasse | Sehr gut | Note: 1,1

"Mit Radio, CD, Netzwerk- oder Internetstreaming macht das SR-50 dem Namen Smart-Radio alle Ehre. Vielseitig verwendbar, dabei leicht zu bedienen und zu einem angenehmen Preis bietet Block mit seinem kompakten All-in-one-System eine tolle Lösung für moderne Audio-Ansprüche.“

Jetzt ganzen Testbericht lesen

for all signals.

Integrated in the front is a 3.5 mm headphone jack and a line-in input on which a mobile device can be connected.

On the rear panel you will find a USB port to which you besides normal USB sticks also can operate hard drives. p>

View specifications

SR-50 Smartradio
Falls asleep with you
and wakes you up.


Choose comfortable with your remote a time from where the SR-50 automatically switches to standby mode, and it leaves your sleep.

Wake up function:

The SR-50 supports two alarm time, for example an alarm clock on weekdays and in the second for the weekend. You can switch on/off the alarm, set the time between daily, individual days, select weekends etc., the source to which you want to be woken up and adjust the volume.

Question on item

Notify me when this product is available

* Mandatory fields


  • Analogue Inputs: 3.5mm AUX IN stereo 800 mV
  • Speaker: Full range 2x 3", integrated
  • Leistung (RMS @ 6 Ohm): 2x 4 Watt, Subwoofer 1x 20 Watt
  • Digital inputs: 1 x USB (5 V, 500 mA)
  • Analogue Outputs: 3,5 mm headphone
  • THD: < 0,3% (@1 Watt)
  • Signal to noise ratio: > 77 dB
  • Frequency range: 40 Hz - 20 KHz @-3dB
  • Frequency range FM: 87,5 - 108 MHz
  • Frequency range DAB+: 174.928 MHz - 239.200 MHz
  • Internetradio: more than 30.000 stations worldwide
  • Station presets: je 10 für FM | DAB+ | internetradio
  • File formats: AAC, AAC+, MP3, WAV, WMA, FLAC
  • Streaming: Bluetooth | DLNA | UPnP with "UNDOK" APP
  • Streaming-Platforms: Spotify® Connect-Ready
  • Network: WiFi 2,4 & 5 GHz, Bluetooth 4.0
  • CD compatibility: CD-HD | CD-R | CD-RW | MP3 | WMA
  • Power consumption "Off": < 0,01 Watt
  • Power consumption "Standby": 1 Watt
  • Power consumption "Operating": 36 Watt (max.)
  • Power supply with power switch: AC zu DC 15 V at 2,4 A
  • Dimensions W | H | D: 300 x 120 x 170 mm
  • Weight (kg): 2,5
  • Network-Function: Up to 5 devices
  • Features: 2,8'' TFT color display, wood housing, system remote control


SR-50 Smartradio
SR-50 Smartradio(
388,94 €
388,94 €
including 16% VAT., including shipping