YUER BA-10Pro Busking Amp

Owner's Manual

Safety Instructions

General Safety

When not using this product, please turn off the power switch.
This device has a built-in lithium battery. Do not store the battery without power for a long time, as this will significantly reduce its lifespan. If the product is low on power and shuts down, charge it promptly. If you do not use it for a long time, store the product fully charged.
The built-in 3.7V / 4000mAh lithium battery must be recharged for use. It takes approximately 4 hours to fully charge and supports 5V / 1A charger charging.

Detailed Safety Instructions

This product has a built-in lithium battery; please do not disassemble it yourself.
Do not use the product in the rain, water, or damp areas. Do not drop it in water or allow liquid substances to enter the product.
Please avoid dropping the device or hitting it on the surface of hard objects to prevent damage.
Do not hit, throw, or vibrate this product.
Please use a clean dry cloth to clean the product. Do not clean with flammable substances such as benzene, thinner, detergent, or similar cleaning fluids.
Do not open this product or attempt to disassemble its internal parts or make any modifications. This product does not contain any user-serviceable parts.
When using headphones, adjust the volume starting from low to avoid damaging the headphones or injuring your ear.
Do not dispose of this product with household garbage. Proper handling can reduce pollution and health hazards. Please contact your local dealer for proper procedures.
This product is manufactured according to strict product specifications. 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. Use of this product in an area that has not been verified is dangerous and will void the manufacturer's or distributor's warranty. Please also keep your invoice as proof of purchase, or you will not be entitled to the manufacturer's or distributor's warranty.

Names and Functions

Front Panel

The front panel features controls and an input jack:

1. DELAY: Delay intensity adjustment.
2. REVERB: Reverb intensity adjustment.
3. AUX\B.T. VOL: Volume adjustment for auxiliary and Bluetooth input.
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 indicator.
8. INPUT: 1/4" Instrument Input interface.

Rear Panel

The rear panel includes various ports:

9. USB-C: Charging / OTG Recording port.
10. [Headphone Symbol]: Headphone output.
11. AUX IN: Auxiliary input.
12. VOL: MIC Volume adjustment.
13. MIC: 1/4" MIC input.

How to Use BA-10Pro

Press and hold the POWER button for 2 seconds to switch the amplifier on/off. When there is auxiliary input music or Bluetooth playback music, short press the POWER button to activate the vocal cut for the auxiliary input (active when the button is lit yellow).
Connect the electric guitar/acoustic guitar to the INPUT jack. Use TONE/VOL to adjust the tone and volume.
Use DELAY/REVERB to adjust the delay and reverb effect.
The AUX IN jack can be connected to external devices to play back music.
Built-in Bluetooth communication for audio playback. Activate the Bluetooth function on your mobile device, find "BA-10Pro" in the device list and pair it. Successful pairing is confirmed with a single "beep". A double beep sounds when disconnected.
The level of the AUX IN or Bluetooth audio source is adjusted with the AUX\B.T. VOL knob.
The MIC port can be connected to a microphone for singing, recording, or live streaming.
The VOL control adjusts the volume of the microphone, and the reverb effect is adjusted by the REVERB knob.
The headphone jack allows you to connect headphones when you need to mute your amp or for silent practice.
The charging port allows you to use the included "USB-C to USB-C charging cable" to charge the battery or to use OTG for external recording.
If the battery power is too low, the product will automatically shut down; please charge in time. When the battery is low, the LED will be lit RED. When charging, it will be lit BLUE. When fully charged, the LED will go out.

Tips: When the gain and volume adjustment is too high and feedback whistling occurs in the amplifier, please adjust the speaker placement to avoid the speaker facing the guitar.

Charging Instructions

Please connect the original charging cable of this product to the charging port to charge.
The blue power light is always on when charging and will turn off automatically when fully charged.
The power indicator lights up red when the power is insufficient. Please turn the device off and charge it.
During charging, the product case may heat up. This is a normal phenomenon.
Please do not charge in low or high temperature environments. Please pay attention to safety during charging.

Tips: The amplifier may sound abnormal when the battery is low. Please recharge it in time. If not used for a long period of time, please store the device in a dry place and charge it at least once a month to prolong the battery life.

OTG Usage

Before using OTG, please make sure your phone supports the OTG protocol and OTG is enabled.
Some Android phones come with cameras that don't support external recording. In this case, you can download third-party software to record video with OTG sound.
Plug one end of the OTG cable into the USB-C port on the amplifier and the other end into your phone after turning on the amplifier.

Specifications and Packing List

Parameters

Output power: 10 W
Headphone impedance: 30 Ω
Input Impedance: 1 MΩ
Auxiliary Input Impedance: 10 kΩ
Speaker Impedance: 4 Ω
Bluetooth Version: Version 5.3
Li-ion Battery: 3.7 V / 4000 mAh
Power Supply: DC 5V / 1A (USB-C)
Dimensions: 152(L) x 73(W) x 99(H) mm
Product weight: 610 g

Packing List

BA-10Pro x1
Cable USB-C to USB-C x1
Owner's Manual x1

Compliance and Recycling

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.

[Recycling Symbol] This symbol means the product must not be discarded as household waste, and should be delivered to an appropriate collection facility for recycling. Proper disposal and recycling helps protect natural resources, human health, and the environment. For more information on disposal and recycling of this product, contact your local municipality, disposal service, or shop where you bought this product.

Manufacturer Information

YUER Acoustics Technology Co.,Ltd

Address: 2th Floor Building C Qunhui Industrial Area No. 22 Fengtang Blvd Fuhai, Baoan District Shenzhen, China

Website: www.loganbpm.com

Email: yuer@yuermusical.com

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