Guangzhou DSPPA Audio Co., Ltd.

DW0250 Intelligent WiFi Streaming Amplifier

1. Solution Description

With the continuous development of technology, wireless WiFi audio transmission technology is undergoing rapid improvement. Based on its flexibility, no need for wiring, scalability, mobility and other advantages, it has been widely used in the market. The user considers a background music system more on personalized music, with multiple program sources and multiple zones, and the control and selection of the zone music for different scenarios, instead of only the sound. For example, at home, coffee shops, restaurants, gyms and other places, using wireless WiFi audio transmission technology, you will get a new experience and enjoy music.

2. Solution Highlight Functions

●Streaming your audio all the way by WiFi, Bluetooth 5.0, DLNA, UPnP, Airplay, Spotify Connect.

●Any your favorite playlist, radio, file storage, TV, Vinyl or other vintage stereo devices. Any correspond audio input that you can control and stream wirelessly by 4 stream App.

●We Could stream your multiple audio sources over Wi-Fi and other wireless connectivity all in one system. Easy full manage the sound everywhere in your house with 4stream APP.

3. System Connection Diagram:

4. System Functions
●First setup
1. Download 4stream app. (Available in Google Play and App Store)
2. Go to your phone settings>Wifi>find the SSID Sound system_XXXX and connect.
3. Back to 4stream app>choose your home wifi you want to setup with(must be 2.4G wifi)
4. Enter the WiFi password
5. Name your device>Done!
●Network streaming
The best advantage of our audio system is Wi-Fi streaming. You can stream online music and local music easily by wifi without quality compression and distance limitation. We supports many online audio services like sportify, deezer, tunein, Pandora and many more. We also support USB/NAS storage which allows you to play your favorite music you have been collected. For NAS, we support DLNA, UPnP protocols. For Apple fans, Airplay is available. If you worried about the signal issue, Lan connection would be a good choice for stable network.
●Audio sources Input
You may have some traditional devices like CD player, Vinyl& Radio. These devices can easily connect with our wireless audio system by line in input. With this, you can enjoy the high quality music in a modern way. Don’t restricted yourself by the old method. Preamp and TV are compatible as well. The work principle is input the audio source to our device and play through the network
●Bluetooth 5.0
Our system supported Bluetooth 5.0, which provide you another easy way to stream your Music wirelessly. And also lets you connect to other system such as Google Assistant as a Bluetooth audio device.
●Multi-room Setup
1.What is Multi-room/Multi-zone
2.With our Multi-room/Multi-zone features, you can sync the music or stream different music at the same time to different zones with only 1 step.
●How to do Multi-room/Multi-zone
Install a unit to each zone you want to stream music and connect them to the same Wifi. Then in 4stream App you will see all connected devices. Next, press and hold the device you want to set as slave and drag it on the device you want to set as the master. When the process is done, they will be linked together. Now whenever you play music with the master device, the slave devices will also play the same music at the same time. There is no device limitation to setup Multi-room /Multi-zone, but we recommend 10 devices in a single zones will remain with the best performance.

5. Applications:
It will give you totally new and great experience to play and enjoy your music in houses, coffee shops, restaurants, gyms, ect.

4.STREAM APP of Android & IOS System Operation
By dragging a device over another device in the 4stream app, you can group multiple units to the main device to form a group. You can then sync the music to every device you group, your whole house will immersive with the same music. This is perfect for your family party or weekend party! To separate the device again you just simply drag the device to the bottom of the app.

Multi-room with Different Audio Sources
Any dual-speaker stereo settings and Play same audio in different speakers , normally max to 12 speakers

All Music you like

Huge music resources supported like Spotify, Pandora, Amazon Music, Tidal, Deezer, Qobuz, Internet Radio, iheart Radio, Napster etc. Other than online music, you also can play local music by NAS, USB storage where you have collected your favorite song for years.

6. Main Devices
DW0250  Intelligent WiFi Streaming Amplifier

●50Wx2CH@4ohm,30Wx2CH@8ohm full digital amplifier.
●Streaming music via network without distance limitation or Bluetooth5.0 up to 15 meters.
●Bluetooth for true high resolution music.
●Spotify connect, Airplay, Qplay, DLNA, UPnP streaming protocols supported.
●Support streaming source from online services, smart device memory, USB pen drive, NAS, Bluetooth and line in.
●Multiroom and multizone streaming enabled by mutiple units connected in same network.
●All music sources can be restreamed in sync to other models from us.
●Airplay, Spotify Connect, Qplay, DLNA, UPnP protocol and 3rd party app compatible.
●High quality music streaming support, sample rate decoding up to 24bit,192kHz.
●Spotify, Deezer, Tidal, Qobuz, iHeartRadio, Tuneln, Napster, lots of online streaming services integrated to use in the app.


  • Tel:+86 020 37166520
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
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