How to charge the unit?
JA-02 II has built-in lithium battery, you can charge it with the attached USB Type-C charger cable. If its battery is quite low, JA-02 II will shut
down automatically. Remember to charge it in time, low battery for a long time will cause irreversible loss to the battery capacity. Pls note
that the power indicator only indicates the charging status when it’s been turned off, the power indicator is on and in red during normal use.
The power indicator is in yellow when it’ s been turned off and charging, the power indicator goes out once it’s fully charged.
Note: JA-02 II has only one USB Type-C charger cable in the package contents, you can use any 5V battery charger. If you’ re not sure which
one is correct, use your smart phone charger to charge it. Pls make sure the charger’ s Rated Output Currrent≥1A. (Nearly all smart
phone chargers meet this requirement.)
Note: As it has built-in lithium battery, don’ t dismantle JA-02 II.
II. Parameters
Power: 5V DC, 1A(Battery: 3.7V lithium polymer battery 2000mAh)
Output: 5W
Input Impedance:
Guitar Input: 1M Ohm; Auxiliary Input: 10K Ohm
Speaker Impedance: 4 0hm
Dimensions:147(L) X75 (W)X 96(H) mm
Weight:330g
III.Package
JA-02 II–1
Owner’S manual– 1
USB Type-C Charger cable–1