Bewinner AK-160BT Bluetooth 5.0 Stereo Audio Power Amplifier User Manual

1. Introduction

This manual provides detailed instructions for the proper setup, operation, and maintenance of your Bewinner AK-160BT Bluetooth 5.0 Stereo Audio Power Amplifier. Please read this manual thoroughly before using the product to ensure optimal performance and safety. The AK-160BT is a compact 2-channel amplifier designed for versatile audio applications, including home theater, car audio systems, and karaoke setups, offering 20W x 2 output power and Bluetooth 5.0 connectivity.

2. Safety Instructions

• Power Supply: Use only the specified 12V DC power adapter (not included). Ensure the power supply meets the amplifier's requirements (2-5A).
• Ventilation: Do not block any ventilation openings. Ensure adequate airflow around the unit to prevent overheating.
• Moisture: Keep the amplifier away from water, moisture, and high humidity environments.
• Placement: Place the unit on a stable, flat surface. Avoid placing it near heat sources or in direct sunlight.
• Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified personnel.
• Children: Keep out of reach of children.

3. Package Contents

Verify that all items are present in the package:

• Bewinner AK-160BT Power Amplifier Unit
• User Manual

Note: A 12V DC power adapter and audio cables are not included and must be purchased separately.

4. Product Overview

Familiarize yourself with the amplifier's components and controls.

Front Panel Controls

Image: Front panel of the AK-160BT amplifier, highlighting the main volume, bass, and treble adjustment knobs, along with the BT/AUX mode switch and power button.

1. MODE Button: Switches between Bluetooth (BT) and Auxiliary (AUX) input modes.
2. BT/AUX Switch: Selects the input source.
3. ON/OFF Power Switch: Turns the amplifier on or off.
4. BASS Knob: Adjusts the low-frequency audio output.
5. VOLUME Knob: Controls the overall audio output level.
6. TREBLE Knob: Adjusts the high-frequency audio output.

Rear Panel Connections

Image: Rear panel of the AK-160BT amplifier, showing the red and black speaker wire terminals, RCA left and right audio input jacks, and the DC 12V power input port.

1. RCA Audio Input (L/R): Connect external audio sources via RCA cables.
2. Speaker Terminals (L/R): Connect passive speakers using speaker wire.
3. DC 12V Power Input: Connect the 12V DC power adapter.

5. Setup

Follow these steps to set up your amplifier:

Image: The AK-160BT amplifier connected to two bookshelf speakers and a smartphone, illustrating a typical setup for audio playback.

1. Connect Speakers: Connect your passive speakers to the speaker terminals on the rear panel. Ensure correct polarity (red to red, black to black) for each channel (Left and Right). The amplifier supports speakers with an impedance of 4-16 ohms.
2. Connect Audio Source:
   • Bluetooth: No physical connection needed initially.
   • AUX Input: Connect your audio source (e.g., CD player, TV, smartphone) to the RCA audio input jacks on the rear panel using appropriate RCA cables.
3. Connect Power: Connect a 12V DC power adapter (not included) to the DC 12V power input port on the rear panel. Then, plug the power adapter into a wall outlet.

6. Operating Instructions

Once set up, operate your amplifier as follows:

Image: A hand turning the main volume knob on the AK-160BT amplifier, demonstrating typical user interaction.

1. Power On: Flip the ON/OFF Power Switch to the 'ON' position. The power indicator light will illuminate.
2. Select Input Mode: Press the MODE button or use the BT/AUX switch to select your desired input source (Bluetooth or AUX).
3. Bluetooth Pairing:
   • Switch the amplifier to Bluetooth mode.
   • On your Bluetooth-enabled device (e.g., smartphone, tablet), search for available Bluetooth devices.
   • Select "AK-160BT" from the list to pair. A confirmation sound may indicate successful pairing.
4. Adjust Volume: Rotate the VOLUME knob to increase or decrease the overall sound level.
5. Adjust Tone: Use the BASS and TREBLE knobs to fine-tune the low and high frequencies according to your preference.
6. Power Off: Flip the ON/OFF Power Switch to the 'OFF' position when not in use.

7. Maintenance

Proper care ensures the longevity of your amplifier:

• Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or solvents.
• Storage: Store the amplifier in a cool, dry place when not in use for extended periods.
• Ventilation: Regularly check that ventilation openings are clear of dust and debris.

8. Troubleshooting

If you encounter issues, refer to the following common problems and solutions:

9. Specifications

Technical specifications for the Bewinner AK-160BT Power Amplifier:

10. Warranty and Support

For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact Bewinner customer service. Keep your purchase receipt as proof of purchase.