Arylic Up2Stream AMP2.1 User Manual

1. Introduction

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
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.

2. What's in the box

UpStream AMP2.1
More accessories coming soon at www.arylic.com
Acrylic Case
External SPDIF Board

3. Interface

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)
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)
Further Notes
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.

4. Connection Diagram

Up2Stream AMP2.1 User Manual
6pin analog connector Screw Driver WiFi Antenna
External Button Board
en drive, cell phone memory or from
3x Knob Cover User Manual
R47 10K
VDD3V3
R64
KEY
100R
AMP2.1
C27
R60
0.1uF
1K
DGND
R61
2.2K
R62
3.6K
R63
5.6K
R65
8.2K
R66
12K
R67
18K
R68
27K
R69
47K
R70
100K
MODE
PLAY/PAUSE
NEXT
PREV
VOL+
VOL-
MUTE
NUM1
NUM2
NUM3
NUM4
DGND