Up2Stream AMP2.1 is a WiFi and Bluetooth 5.0 amplifier with subwoofer output board that can be applied into your existing regular audio system
to make it wireless enabled, and it is also a all-in-one solution for DIYers to make their customized wireless audio system. After connecting the
device to your home network, with our 4STREAM app, you can play music from your home NAS, USB p en drive, cell phone memory or from
online streaming services like Spotify, Deezer, Tidal, Qobuz and so on. The wireless multiroom audio system can play the same music to each
room in sync or play different music to different rooms.
1. Introduction
Up2Stream AMP2.1 User Manual
2. What's in the box
3. Interface
4. Connection Diagram
UpStream AMP2.1
Acrylic Case
More accessories coming soon at www.arylic.com
6pin analog connector
External SPDIF Board
Screw Driver
External Button Board
WiFi Antenna
3x Knob Cover
User Manual
Further Notes
C27
0.1uF
R47 10K
MODE
PLAY/PAUSE
NEXT
PREV
VOL+
R60
1K
R61
2.2K
R62
3.6K
R63
5.6K
R64
100R
VOL-
R65
8.2K
MUTE
R66
12K
NUM1
R67
18K
NUM2
R68
27K
NUM3
R69
47K
NUM4
R70
100K
KEY
VDD3V3
DGND
DGND
Power Button:
Power button: Short press once: switch input mode; Long press: Switch on/off;
Short press twice: Re-pair Wifi or Bluetooth in Wifi or Bluetooth mode;
Short press three times: Restore to factory settings.
*When device is off, just short press the power button to active the device.
Volume control knob:
Short press to switch input mode: Wifi, BT, USB, Line in, USB
.
Tone control knob:
Short press to reset treble level to 0, long press 5sec to increase
crossover frequency by 10Hz. (Crossover frequency range from 80-200Hz)
AMP2.1
Bass control knob:
Short press to reset bass level to 0, long press 5sec to decrease
crossover frequency by 10Hz. (Crossover frequency range from 80-200Hz)
PH2.0-4P: DGND, MICIN, AGND, MIC2IN:
This is reserved for future use.
PH2.0-4P: LINE-INR, AGND, LINE-INL, DGND:
For analog input to up2stream amp 2.1
board, it has the same signal as the 3.5mm Aux jack.
PH2.0-4P: GND, B1, B0, SPDIF:
This is reserved for external SPDIF input.
B1, B0 is for testing.
VH3.96-2P: GND, VIN:
This is for DC-IN.
PH2.54-2P: +5V, GND:
This is a 5V output.
PH2.0-9P: D3.3V, GND, WPS, LINE-LED, USB-LED, BT-LED, WIFI-LED, ADC-KEY,
IR:
You should connect 3.3V to a current limit resister and then to LED and then to the pin.
The LED pins are used to extend the LED and are common-anode connected.
WPS is for wifi reset function.
ADC-KEY is used for external buttons, refer to the circuit on the right for key definitions.
IR is used for extend IR receiver.
PH2.0-4P: GPIO, STB, MUTE, GND:
Reserved for debug.
