Connection Steps
Step 1: Connect JAB3 & JAB2
Audio connection
Control connection
Step 3: Audio output
Speaker
Step 5: Power supply
Power Adapter
Battery board
JAB2 BT / 3.5mm AUX IN / Interface board
JAB3 3.5mm AUX IN
Step 2: Audio input
Step 4: External LED and control
External LED
Control ports