Wireless Preamplifier S50 Pro+
S50 Pro+ is a WiFi and Bluetooth 5.0 stereo preamplifier that uses ESS Sabre DAC and with OLED display. It can decode upto 24bit 192Khz audio, support Airplay, DLNA and UPnP. You can stream music from your mobile phone, NAS, online music services like Spotify, Tidal, Qobuz, Pandora and more. With multiple devices, you can form a multiroom audio system in your network.
Specification
Interfaces
DC input: Micro USB 12V/1A
Analog audio input:
-RCA for analog input
Digital audio input:
-Optical SPDIF output
Analog audio output:
-RCA for analog output
-Subwoofer output
Digital audio output:
-Optical SPDIF output
-Coaxial SPDIF output
USB host: to connect USB pen drive
Ethernet RJ45: for wired LAN cable to connect internet
LED indicator: RED - Standby mode
OLED Display Panel: Display status info
Reset: short press to reset the WiFi, long press to restore factory setting
IR receiever: for remote control
Antennas for WiFi and Bluetooth
Network
Wireless connection:
- IEEE 802.11 b/g/n 2.4G
- Bluetooth 5.0
Wired connection :
- Ethernet RJ45
Streaming Protocols
AirPlay, DLNA, UPnP, Spotify connect and Qplay
Audio Parameters
Music format:
FLAC/MP3/AAC/AAC+/ALAC/APE/WAV
Audio decode: 24bit, 192kHz
Frequency response: 20Hz-20kHz
THD+N: 0.03%
SNR:110dB
Bluetooth: aptX HD, BT distance: 10M
Control Applications
4STREAM for iOS and Android based smart devices
iTunes for MAC and Windows PC
Foobar2000 and other compatible third-party apps
Music Sources
Online streaming services:
Spotify, Deezer, TuneIn, Tidal, Qobuz, Napster, iHeartRadio, more coming in the near future
Local storage:
Music stored on the mobile device memory, NAS, USB pen drive
Aux input:
RCA for analog input, SPDIF Optical for digital input
General
Power input: 12V/1A input
Dimensions: 120*113*37mm
Weight: 0.4kg
Working temperature: 0~40℃
