4-zone Multi-room Preamplifier M400

$1,999.00 $999.00

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DESCRIPTION
SPEC
Q & A
REVIEWS

Wireless your 4 Zones Stereo at Once

Sync your Audio from 4 Different zones Wirelessly

M400 is a 4 zone wireless streaming preamplifier that able to integrate 4 sound system in your home at once. You can add wireless capability to sync music to 4 different zones simultaneously or stream different music to each individual zones by the 4Stream APP.

Versatile Center Inputs

There is a Master input panel on M400 that includes RCA input, Coaxial input and Optical input where you can use on all 4 zones. Each Zone also has it's own RCA input. You can also stream music by WiFi, Airplay and DLNA.

Slim design for your Mount Rack

M400 is designed to fit in 19" mount rack, it's size is 1U and easy to install with mounting bracket.
Multiroom Control

Configure different playback settings for each zones or group your system together to stream sounds at the same time by our 4stream app.

Stream Any Kind of Audio

Not only stream music wirelessly by Wifi, Airplay and DLNA. There are multiple digital and analog input and output ports for you to connect most of the audio devices in your home.

Responsive Front Panel

The premium front panel designed with simple look and colorful LEDs can clearly shows you the mode and status on each zones.
Expand your System

There are network out port and pass through port which you can connect to more and more M400 units to group control more and more system.

Smart Home Integration

M400 already integrated to use with Fibaro and ELAN smart home system. It has the RS232 port which allows you to connect to your smart home control unit and program to integrate into your smart home system.

Stream All Music you Like

Huge music resources supported like Spotify, 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.

Package

Specification

USER INTERFACE & CONTROLS LED indicators White-WiFi & network mode: Flashing fast-device is booting Flashing slow- waiting for WiFi connection Solid- WiFi is connected Blue-Bluetooth mode: Flashing slow- waiting for Bluetooth connection Solid- Bluetooth is connected Green-Line in 1 (Zone Line in) Red-USB mode Yellow-Yellow for Line in 2 (Master Line in) Magenta-Master Optical in Cyan-Master Coaxial in Power Button Device on: Short press once: Switch input mode Long press once: Switch off Short press twice: Disconnect current WiFi connection and enter paring mode (WiFi mode); Disconnect current connected Bluetooth device (Bluetooth mode) Short press three times: Restore the factory settings Device off: Short press: Switch on PC iTunes/Musicbee/Foobar 2000 Remote Remote Control Available 4stream App Free iOS and Android App	AUDIO Music Format FLAC/MP3/AAC/AAC+ ALAC/APE/WAV Audio Decode Up to 24bit/192kHz Audio Output 44.1khz/16bits, CD quality Frequency Response 20Hz-20kHz Online Music Service Check here Local Storage Mobile device memory, NAS, USB pen drive/Stick	GENERAL Weight 3kg Dimensions 43x20x4.5(5.3 with footer)cm Working temperature 0~40℃ Package Included Main unit x1 User's manual x1 Ethernet Cable x1 Rack Mount Brackets x2 12V/2A Power Adapter x1
Power Power Input 12V/2A	CONNECTIVITY Wifi IEEE 802.11 b/g/n 2.4G Bluetooth 5.0 SBC/AAC, 10M Wired Connection Ethernet RJ45 In Ethernet RJ46 Out (Output to other device to share the network) Streaming Protocols AirPlay, DLNA, UPnP, Spotify connect, Qplay	4 Zone Interfaces Audio Input RCA Input x 1(Max 2V RMS input) USB x1(USB Playback) Audio Output RCA Output x1(Max 2V RMS output) SPDIF Optical x1 SPDIF Coaxial x1 General Interfaces Trigger Output x1(12V) Master Interfaces Audio Input RCA Input x1(Max 2V RMS input) SPDIF Optical x1 SPDIF Coaxial x1 General Interfaces Dual-way RS232 Trigger Output x1(12V)

Specification

USER INTERFACE & CONTROLS LED indicators White-WiFi & network mode: Flashing fast-device is booting Flashing slow- waiting for WiFi connection Solid- WiFi is connected Blue-Bluetooth mode: Flashing slow- waiting for Bluetooth connection Solid- Bluetooth is connected Green-Line in 1 (Zone Line in) Red-USB mode Yellow-Yellow for Line in 2 (Master Line in) Magenta-Master Optical in Cyan-Master Coaxial in Power Button Device on: Short press once: Switch input mode Long press once: Switch off Short press twice: Disconnect current WiFi connection and enter paring mode (WiFi mode); Disconnect current connected Bluetooth device (Bluetooth mode) Short press three times: Restore the factory settings Device off: Short press: Switch on PC iTunes/Musicbee/Foobar 2000 Remote Remote Control Available 4stream App Free iOS and Android App	AUDIO Music Format FLAC/MP3/AAC/AAC+ ALAC/APE/WAV Audio Decode Up to 24bit/192kHz Audio Output 44.1khz/16bits, CD quality Frequency Response 20Hz-20kHz Online Music Service Check here Local Storage Mobile device memory, NAS, USB pen drive/Stick
GENERAL Weight 3kg Dimensions 43x20x4.5(5.3 with footer)cm Working temperature 0~40℃ Package Included Main unit x1 User's manual x1 Ethernet Cable x1 Rack Mount Brackets x2 12V/2A Power Adapter x1	Power Power Input 12V/2A
CONNECTIVITY Wifi IEEE 802.11 b/g/n 2.4G Bluetooth 5.0 SBC/AAC, 10M Wired Connection Ethernet RJ45 In Ethernet RJ46 Out (Output to other device to share the network) Streaming Protocols AirPlay, DLNA, UPnP, Spotify connect, Qplay	4 Zone Interfaces Audio Input RCA Input x 1(Max 2V RMS input) USB x1(USB Playback) Audio Output RCA Output x1(Max 2V RMS output) SPDIF Optical x1 SPDIF Coaxial x1 General Interfaces Trigger Output x1(12V) Master Interfaces Audio Input RCA Input x1(Max 2V RMS input) SPDIF Optical x1 SPDIF Coaxial x1 General Interfaces Dual-way RS232 Trigger Output x1(12V)

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QUESTIONS & ANSWERS

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●It is extendable by expansion boards.

*5G WiFi compatiable means users could control our system when your smartphone connected to your router's 5G channel.

* About Spidif Pins, Up2stream Mini/Pro is default as Spdif out. Up2stream Amp/Mono is default as Spdif in. You can switch to Spdif In/Out by ACPWorkbench Tool. The 2 spdif pins are the same funtion, can't change seperately.

*Up2stream Amp SUB and S50 Pro+ Preamp is our coming up new products.