Sure Electronics JAB5 Connection Manual page 3

What is JAB5?
JAB5 supports 4.0 mode (4 x 100W), 2.1 mode (2 x 100W + 1 x 200W) and 2.0 mode (2 x 200W).
The switching between the three modes are achieved by automatic cables identification, without any
need of other operations. Furthermore, JAB5 supports cascading with another JAB5 to get 8 x 100W
or other audio systems through the I2S output port.
Four ports are provided for external potentiometers to control the volume, gain and frequency. With
the connection of ICP5 or higher version(s), customers can achieve programming DSP through
SigmaStudio or remote control with APP or PC UI.
Key Features:
- Integrated with Qualcomm/CSR QCC 3034, Bluetooth V5.0 w
aptX HD & ADAU1701 DSP
- Supporting I2S input, line input, I2S output
- Supporting programming with SigmaStudio or remote control
via APP or PC UI
- Cascadable with another JAB5 to build an 8.0 Audio System