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4Stream Amplifier Modules

4Stream 2.0 Amp

WiFi and Bluetooth 5.0 enabled stereo amplifier

50watt x 2 at 4Ω

4Stream Sub Amp

WiFi subwoofer amplifier

60watt x 1 at 4Ω

2.0 AMP is the perfect solution if you want to build your own wireless amplifier. It supports WiFi and Bluetooth connection, and is a 50W+50W stereo amplifier. You can easily stream music from your mobile phone, NAS, PC or from online music services like Spotify, Deezer, Tidal, Qobuz and many more. It also support mutliroom function that lets you synchronize multiple devices in different room and play the same music at the same time.

AMP SUB is the perfect solution if you want to build a wireless subwoofer. It supports WiFi connection and can group with our stereo system to form a wireless 2.1 channel audio system. It is a 100W subwoofer amplifier with rotary knob to adjust maximum volume an d frequency range. If you need heavy bass for your audio system, you can group multiple AMP SUB and position each wireless subwoofer in different place in your room and enjoy the heavy bass around you.

Interfaces
DC input: DC 12V – 26V
Analog audio input:
  – 3.5mm mini jack
– 4 pin connector
  – Micro USB
Analog audio output:
  – Speaker out (Pin space 5.0mm
  – 4Pin Connector (Analog Stereo)
  – 2Pin Connector (Analog Mono)
  – SPDIF out (PIN)
LAN port: for wired network connection
LED indicators: to show the device status
Power button: short press to turn on/off, long press to reset WiFi settings/terminate Bluetooth connection
IR receiever: for remote control
Wireless antenna: for WiFi & Bluetooth connection

Streaming Protocols
AirPlay, DLNA, UPnP, Spotify connect and Qplay

Network
Wireless connection:
  – IEEE 802.11 b/g/n 2.4G
  – Bluetooth 5.0
Wired connection :
  – Ethernet RJ45

Audio Parameters
Music format:
  FLAC/MP3/AAC/AAC+/ALAC/APE/WAV
Audio decode: 24bit, 192kHz
Frequency response: 20Hz-20kHz
THD+N: 0.03% @1kHz 50W+50W 24V-4Ω
Speaker Impedance: 4-8Ω(Stereo) / 2-8Ω(Mono)
SNR: 91dB
Bluetooth 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 storage

General
Power input: 12V – 26V input
Dimensions: 110*80*22mm
Working temperature: 0~40℃

Accessories:
4Pin analog phoenix connector
Screw Driver
WiFi antenna x2
User Manual

Interfaces
DC input: DC 12V – 26V
Analog audio input:
  – 3.5mm mini jack
Analog audio output:
  – Speaker out (Pin space 5.0mm
LED indicators: to show the device status
Power button: short press to turn on/off, long press to reset WiFi settings
Volume Knob
Crossover Frequency Knob
Wireless antenna: for WiFi

Streaming Protocols
AirPlay, DLNA, UPnP, Spotify connect and Qplay

Network
Wireless connection:
  – IEEE 802.11 b/g/n 2.4G

Audio Parameters
Speaker Power:
– 100W@2Ω load at 24V
– 60W@4Ω load at 24V
– 30W@8Ω load at 24V
Frequency response: 10Hz-300Hz
THD+N: 0.1%@100Hz 1W
Speaker Impedance: 2-8Ω
Music format:
FLAC/MP3/AAC/AAC+/ALAC/APE/WAV
Audio decode: 24bit, 192kHz

Control Applications
4STREAM for iOS and Android based smart devices
iTunes for MAC and Windows PC
Foobar2000 and other compatible third-party apps

General
Power input: 12V – 26V input
Dimensions: 84*84*17.5mm
Working temperature: 0~40℃

Accessories:
Knob Cover x2
Screw Driver
WiFi antenna
User Manual