A50 is a WiFi and Bluetooth 5.0 enabled stereo amplifier that can help your regular audio system to become wireless audio system
With this amplifier you can wirelessly stream music from your mobile phone, online music provider or from local audio source and stream music to other 4Stream devices in the same network
S100 is a WiFi and Bluetooth 5.0 stereo amplifier that can help your regular audio system to become wireless audio system
With this amplifier you can wirelessly stream music from your mobile phone, online music provider or from local audio source and stream music to other 4Stream devices in the same network
Interfaces
DC input: 24V-4.16A
Analog audio input:
-RCA for analog input
-Optical for digital input
Analog audio output
-Speaker out for analog output
-Subwoofer out for active subwoofer
Micro USB: connect PC as USB DAC
USB host: to connect USB pen drive
Ethernet RJ45: for wired LAN cable to connect internet
LED indicators: to show the device status
Mode Button:
Short press to switch input mode,
Press twice to reset WiFi/BT connection,
Press three times to restore factory settings,
Long press to turn off, press again to turn on
IR receiever: for remote control Antennas for WiFi and Bluetooth
Speaker Power
24V 4Ω 50Wx2
24V 8Ω 30Wx2
Streaming Protocols
AirPlay, DLNA, UPnP, Spotify connect and Qplay
Audio Parameters
Frequency response: 20Hz-20kHz
THD+N: 0.03%
Speaker impedance: 4-8Ω
Audio decode: 24bit, 192kHz
Music format: FLAC/MP3/AAC/AAC+/ALAC/APE/WAV
Music Sources
Online streaming services:
Spotify, Amazon Music, Deezer, Internet Radio, QQ Music, Napster, Tidal, Qobuz, Tunein, iHeartRadio and more coming in the near ftuture
Local storage:
Music stored on the mobile device memory, NAS, USB pen drive
Aux input: RCA input
Digital input: Optical input
Control Applications
4STREAM for iOS and Android based smart devices
iTunes for MAC and Windows PC
Foobar2000 and other compatible third-party apps
Network
Wireless connection:
– IEEE 802.11 b/g/n 2.4G
– Bluetooth 5.0
Wired connection :
– Ethernet RJ45
General
Power input: 24V/4.16A DC input
Dimensions: 120*113*37mm
Weight: 0.4kg
Working temperature: 0~40℃
Interfaces
DC input: 24V-6A
Analog audio input:
-RCA x1 for analog input
-Optical x1 for digital input
Analog audio output
-RCA x1 for analog output
-Subwoofer output x1
-Speaker output x1 for analog output
USB host: to connect USB pen drive
Micro USB: to connect PC as USB DAC
Ethernet RJ45: for wired LAN cable to connect internet
LED indicators: to show the device status
Reset: short press to reset the WiFi, long press to restore factory setting
IR receiever: for remote control
Antennas for WiFi and Bluetooth
Speaker Power
2×80-W into a 4-Ω BTL Load at 24 V
2×50-W into a 8-Ω BTL Load at 24 V (Boost)
Streaming Protocols
AirPlay, DLNA, UPnP, Spotify connect and Qplay
Audio Parameters
Frequency response: 20Hz-20kHz
THD+N: 0.03%
Speaker impedance: 4-8Ω
Audio decode: 24bit, 192kHz
Music format: FLAC/MP3/AAC/AAC+/ALAC/APE/WAV
Music Sources
Online streaming services:
Spotify, Amazon Music, Deezer, Internet Radio, QQ Music, Napster, Tidal, Qobuz, Tunein, iHeartRadio and more coming in the near ftuture
Local storage:
Music stored on the mobile device memory, NAS, USB pen drive
Aux input: RCA input
Digital input: Optical input
Control Applications
4STREAM for iOS and Android based smart devices
iTunes for MAC and Windows PC
Foobar2000 and other compatible third-party apps
Network
Wireless connection:
– IEEE 802.11 b/g/n 2.4G
– Bluetooth 5.0
Wired connection :
– Ethernet RJ45
General
Power input: 24V-4.16A DC input
Dimensions: 158x146x40mm
Weight: 0.5k4g
Working temperature: 0~40℃
