How to use JA‑02 II? Power on, plug guitar into INPUT, select Clean/Overdrive, adjust GAIN/TONE/VOLUME. Use BT 5.0 or AUX In/headphones. Charge via USB‑C battery.
| Specification | Details |
|---|---|
| Power Supply | 5 V DC, 1 A (built-in 2000 mAh battery) |
| Output | 5 W |
| Input Impedance | 1 MΩ |
| AUX In | 10 kΩ |
| Speaker Impedance | 4 Ω |
| Size | 147 × 75 × 96 mm |
| Weight | 330 g |
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