YUER BA-10PRO Busking Amp

Safety Instructions

1. When not using this product, please turn off the power switch.
2. This machine has a built-in lithium battery, please do not store the battery without electricity for a long time or it will significantly reduce the life of the battery. When you find this product is low power and shutdown, it should be charged in time. If you do not use it for a long time, please store the product fully charged.
3. Built-in 3.7V/4000mAh lithium battery can be rechargeable to use. It will be about 4 hrs for fully charging. It supports 5V/1A charging for maximum.

Detailed Safety Instructions

1. This product has a built-in lithium battery, please do not disassemble it by yourself.
2. Don't use it in the rain, water or damp areas, don't drop it in water or other liquid substance into this product.
3. Please avoid dropping the machine or bumping it on the surface of hard objects to avoid damage to the machine.
4. Do not collide, throw or vibrate this product.
5. Please use a clean dry cloth to clean the product. Don't clean with inflammable substances such as benzene, thinner, detergent and so on.
6. Do not open this equipment or attempt to disassemble its internal parts or make any modifications to it. This product doesn't contain any spare parts for users to do-it-yourself.
7. When using the headphones, please adjust the volume starting from low to avoid damaging the headphones or hurting your ear.
8. Don't dump this product with household garbage. Proper treatment can reduce pollution and health hazards. Please contact your local dealer for correct approaches.
9. This product is manufactured according to strict product specifications so please purchase the product from the correct platform. If you purchased online, by mail or by phone, please verify that the product can be used properly in your area. Using this product in any area that has not been verified is dangerous and no longer entitles you to the manufacturer's or distributor's warranty. Please also keep the invoice as proof of purchase or you will not be entitled to the manufacturer's or distributor's warranty.

Names and Functions

• 1. DELAY: Delay Intensity Adjustment
• 2. REVERB: Reverb Intensity Adjustment
• 3. AUX\B.T. VOL: Volume adjustment for auxiliary input and Bluetooth
• 4. TONE: Tone Intensity Adjustment
• 5. LOW BATT.: Low voltage and charging indicator
• 6. VOLUME: Instrument volume control
• 7. POWER: Long press to turn on/off/short press to turn on/off vocal elimination, and status indicators
• 8. INPUT: 1/4' Instrument Input interface

• 9. USB-C: Charging/OTG Internal Recording
• 10. ? Headphone Output
• 11. AUX IN: Auxiliary Input
• 12. VOL: MIC Volume Adjustment
• 13. MIC: 1/4' MIC Input

How to Use BA-10Pro

1. Long press the POWER button for 2 seconds to switch on/off; when there is auxiliary input music or Bluetooth playback music, short press to switch the auxiliary input music vocal cut (when the button displays a yellow light, it is the effect of vocal cut).
2. Connect the electric guitar/acoustic guitar to the INPUT interface, adjust TONE/VOL to adjust the tone and volume.
3. Adjust DELAY/REVERB to adjust the delay and reverb effect.
4. AUX In connector can be wired to connect external devices to play music.
5. Built-in Bluetooth communication, you can use Bluetooth function to play music. Turn on the Bluetooth function of your mobile device, find 'BA-10Pro' in the device list and pair it; when pairing is successful, it prompts a single syllable, and when disconnected, it prompts a double syllable.
6. AUX IN audio source or Bluetooth audio source is adjusted by AUX\B.T. VOL knob.
7. MIC can be connected to a microphone for singing, recording or live streaming.
8. VOL control adjusts the volume of the microphone, and the reverb effect is adjusted by the REVERB knob.
9. Headphone jack allows you to connect headphones when you need to mute your playing or practicing.
10. The charging port allows you to use the included "USB-C to USB-C charging cable" to charge and OTG for recording the product.
11. If the battery power is too low, the product will automatically shut down, please charge in time. When the battery is low, it will show red light, when charging, it will show blue light, when fully charged, the light will go out.

Warm tips: When the gain and volume adjustment is too large, the amp is being whistle please adjust the speaker placement to avoid the speaker to face the guitar.

Charging Instructions

1. Please connect the original charging cable of this product into the charging port for charging.
2. The power blue light is always on when charging and it will go out automatically when full.
3. The power indicator will light up (red) when the power is insufficient, when the power is insufficient, please turn off the charging in time.
4. When charging the product shell will heat up is a normal phenomenon.
5. Please don't charge in the environment with too high or too low temperature, please pay attention to safety when charging.

Warm tips: This machine may sound abnormal when it's low battery, when it's low battery, you should be charged in time, if not used for a long time please store in a dry place and keep charging at least once a month to protect the life of the battery and attenuation.

OTG in-recording and live-streaming use

1. Before using OTG, please make sure your phone supports OTG protocol and the OTG switch is on.
2. Some Android phones come with cameras that don't support internal recording, you can download third-party software to shoot.
3. Insert one end of the OTG cable into the USB-C of the amp and another one connect to your phone after you turn on the amp.