WiFi & aptX HD Preamplifier S50 Pro
WiFi & aptX HD Preamplifier S50 Pro
WiFi & aptX HD Preamplifier S50 Pro
WiFi & aptX HD Preamplifier S50 Pro
WiFi & aptX HD Preamplifier S50 Pro
WiFi & aptX HD Preamplifier S50 Pro
WiFi & aptX HD Preamplifier S50 Pro

WiFi & aptX HD Preamplifier S50 Pro

Regular price $249.00 Sale price $199.00
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Wireless Stereo Preamplifier

TV sound, Online Music, Gaming Audio. All sounds of your home entertainment can be streamed with Aptx HD and Hi-Res Audio by S50 Pro Preamp. Compatible with your phone, PC and Tablet. Meet your needs and give you different music enjoyment.

Flagship Model

S50 Pro




All the Best for you


  • Top Hardware

    S50 Pro equipped with ESS Sabre Dac and AKM ADC which delivers outstanding sound quality and industry leading performance.

  • Aptx HD Low Latency

    S50 Pro equipped with QCC3034 Aptx HD bluetooth DAC which provide the latency as low as 50 ms and able to decode high resolution audio.

  • Multiple Interface

    RCA In/Out, Coax In, Optical out. S50 Pro is friendly compatible to your home entertainments.

  • Build up your Home Theater

    Decoding up to 192khz/ 24bits and designed with 2.0 Stereo pair system. You can easily build your home cinema with budget and enjoy Hi-Res audio in the living room.

  • 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.

  • Wireless Connectivity

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

  • Streaming your Music Everywhere

    No matter where you are in your house, you can always take out your phone to play a song for you or your family. Like play a Bedtime Story for your Children, a love song for your wife, easy and wirelessly.

  • Free iOS & Android App

    Our App called “4stream” that is available for both iOS & Android system. All the features can be simply controlled by App. And you also will receive our regular online firmware update automatically in our App.



Specification

Wireless network IEEE802.11 b/g/n 2.4G
Ethernet Single 10/100M RJ45
Bluetooth APTX HD, SBC/AAC
USB Host Play USB music
Frequency response 20Hz to 20kHz
Digital output Coaxial output
Optical output
Analog output 1x RCA
Audio input 2x RCA
Power supply 5V-1A Micro USB input
Decoding Up to 24bit/192kHz
Music Format FLAC/MP3/AAC/AAC+/ALAC/APE/WAV
SNR 110dB
THD 0.03%
Remote IR remote controler
LED White-power on/WiFi
Blue-Bluetooth
Red-USB
Green-line input 1
Yellow-line input 2
Dimensions 12x11.3x3.7CM(4.72x4.45x1.46in)
Weight 0.4kg(0.88lb)

Package Included



QUESTIONS & ANSWERS

Ask a Question
  • Whether line out can be connected to powered subwoofer and optical out to my active stereo speaker at the same time
    Yes ,all of them will keep output signal .
  • Will this work with a whole home audio matrix amplifier?
    yes.
  • Is the RCA out fixed or variable? Can I connect the S50 to another preamp?
    S50 RCA DAC output is 2V singal ,adjusting volume can control the signal , you can connect it to preamp or amp .
  • Q1: Can you change the names on these devices? We own a club, and need several for different rooms for each instructor to use with streaming music for their class. Bluetooth, with autoconnect at the device level, is driving us nuts with different instructors music jumping to other bluetooth receivers in the building, throwing off both classes. Need to have reliable connection by some means. Q2: Can this work through wireless connectivity, and still run their streaming from their phones on the facility wifi without needing to have them use a specific app? Some of them use health club driven music playlists they have built, and they aren't on spotify, etc.
    1. yes, you can change the name via our app .
    2. our system will be very reliable if stream via LAN, wifi is also better than bluetooth .
    3. After setup ,you can use without app ,such as streaming via airplay or dlna or preset alarm music playlist .
  • Are they google home compatible to allow voice control
    You can connect to our system via bluetooth ,then you can do voice control via google home .
  • What is the version of Bluetooth?
    Yes, it's bluetooth 5.0 aptx hd
  • I have a arcam r-cube which I would like to be my main sound output I also have a Bose 1 with a Layen i-dock Bluetooth receiver and a Sony Bluetooth speaker. I subscribe to Apple music. Can you incorporate these into one streaming system my home is also ethernet wired with a router. many thanks
    Yes, get our device and connect them via line in or opt . But each system need one of our device .
  • Could you help me which kind of BT5 chip does it have?
    QCC3034
  • si può trasmettere musica da un PC via cavo usb ?
    for PC, we would recommend running itunes and you can stream wireless ,and it's digital stream ,decode in our palyer ,so sound very very good .
    For future up2stream V3 series ,we will also have USB output .
  • quale Dac utilizza il S50 pro ?
    S50Pro uses ESS Sabre ESS9023 DAC, decoding up to 24-bit 192kHz ,DNR112dB,SNR 120dB+ ADC is AK5720 24bits 96Khz ,S/(N+D): 94dB, SNR: 102dB

    S50Pro utilizza il DAC ESS Sabre ESS9023, decodifica fino a 24 bit 192kHz ,DNR112dB,SNR 120dB+ ADC è AK5720 24bits 96Khz ,S/(N+D): 94dB, SNR: 102dB
  • can I stream my music collection from Macbook Pro iTune, via Wifi or Bluetooth, to S50Pro connected to my amplifer (cambridge Audio Sonata NP30) ?
    Yes, that's exactly how S50 pro designed to be used for .
  • Can I use this as a streamer only to connect an external DAC?
    Sure, we have SPDIF output
  • I bot the X10, what is the max resolution for the digital output please , i.e. for SPDIF and optical ?
    it is 16/48khz CD quality .
  • Can I start the device on a timer, that is, start the music as an alarm clock?
    WE will support this feautre by online update in the future.
  • What is the maximum capacity of usb pen driver ? What is the maximum number of audio files on usb pen driver ?
    Our USB plyback is quite weak right now ,recomend songs not more than 1000 and capacity 32GB
  • Can this device read DSD formats and in what quality?
    no. current device pro is focus on streaming services and multiroom ,airplay or aptxhd things .we may launch audiophile products in the future.
  • Are you planning to release the S50 Pro with integrated amp?
    Yes, it will be A50 Pro ,around end of Q1 2020
  • 1) What are the uses of usb connection S50Pro : 1.1) HDD or SSD input (maximum capacity ?) ? 1.2) USB digital output to DAC ? 2) Does S50Pro enables 'distant browsing (UPNP/DLNA )' of music files stored in usb-HDD (see question 1) with Android Smartphone ?
    1. S50 usb is used for play music from usb pen driver.  not for HDD .
    2. S50 Pro support streaming from NAS with DLNA features.  control by our apps. 
    For HDD and more NAS support, we will improve that in the future .currrently ,more focus on adding more streaming services .such as Pandora,amazon music, internet radio will coming soon .
  • what Ess Sabre Dac is?
    DAC is ESS9023, decoding up to 24-bit 192kHz ,DNR112dB,SNR 120dB+ ADC is AK5720 24bits 96Khz ,S/(N+D): 94dB, SNR: 102dB
  • How long is the input latency between the analoge input signal? There should be somthing like buffering or similar between the zones. can i use the input signal for TV ? How about lipsync?
    There is no latency from line in if using along ,for mulitroom muliple unit play in sync  ,line in will be around 2 secs latency . If using for TV audio ,line in is ok ,no lipsnc issue .

Customer Reviews

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