JOYO JA-02 II Mini Guitar Amplifier Owner’s Manual

Mini Guitar Amplifier
Owner’s Manual

Thank you for purchasing our products, please read it carefully before operating.

Warning

1. Don’t disassemble or repair this product by yourself.
2. Don’t use or store it near any heat sources, or damp and dusty areas. Avoid violent vibration or shock.
3. Don’t drop this product otherwise, it may malfunction.
4. Don’t use alcohol or other cleaning fluids to clean this product. 5.PIs turn off the unit when it’ s not in use. 6. If the unit shuts down automatically during use, it means the battery runs out, pls charge it in time.
5. Don’t turn up the VOLUME too much suddenly while using the headphones, otherwise, it may damage the headphones or impair your hearing.
6. PIs keep it away from place that has iron flings, so as to prevent iron flings to be attracted by the speaker and thus affect the sound quality.

Panel description

1. Bluetooth Status Indicator

2. Bluetooth switch

3. Bluetooth/AUX Volume Knob

4. Guitar Volume/Power switch

5. Power Indicator

6. Guitar Tone Control Knob

7. Guitar sound selection switch (CLEAN/OVERDRIVE)

8. Guitar Gain Control Knob

9. Guitar Input Jack

10. AUX IN Jack

11. Headphone Output Jack

12. USB Type-C Charging port

How to use JA-02 II?

1. Turn on the unit by turning up the VOLUME knob a little, the power indicator is in red once it’ s turned on.
2. Connect your guitar to INPUT Jack and select a suitable sound by the CLEAN/OVERDRIVE switch, and you can also adjust the nuance by the GAIN, TONE and VOLUME knobs.
3. JA-02 II features built-in Bluetooth communication units(Bluetooth version:5.0), you can connect it to devices with Bluetooth function to play music. For details, pls operate according to the following procedures. Press the Bluetooth switch and turn on Bluetooth, now the Bluetooth indicator is on; ()Turn on the portable device’s Bluetooth function, find JA-02 II in the device list, and start to pair up. When they’re paired up successfully, the Bluetooth indicator is in blue.
4. You can also play music by connecting to an external audio source via the AUX IN Jack, and connect the headphones to Headphone Jack to practice quietly if you want.
5. How to charge the unit?
   JA-02 II has a 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 charged, 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, just use your smartphone charger to charge it. Pls make sure the charger’s Rated Output is Currrent31A. (Nearly all smartphone chargers meet this requirement.)
Note: As it has a built-in lithium battery, don’t dismantle JA-02 II.
Parameters
Power: 5V DC, 1A(Battery: 3.7V lithium polymer battery 2000mAh) Output:5W Input Impedance:Guitar Input: 1MO;Auxiliary Input: 101(0 Speaker Impedance:40 Dimensions:147 (L) x 75 (W) x 96 (H) mm Weight:330g
Package contents**
JA-02II x1
Owner’s manual X1
USB Type-C Charger cable X1
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: · Reorient or relocate the receiving antenna. · Increase the separation between the equipment and receiver. · Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. · Consult the dealer or an experienced radio/TV technician for help.
Caution: Any changes or modifications to this device not explicitly approved by the manufacturer could void your authority to operate this equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
The device has been evaluated to meet general RF exposure requirements.

JOYO TECHNOLOGY CO., LTD
Address: 2/F, Lushi Industry Building, 28th District, Bao’an, Shenzhen, 518133 China.
www.joyoaudio.com
Email:info@joyoaudio.com
Tel: 0086-755-29765381

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