AV-369BT 5.1CH HIFI Power Amplifier User Manual

1. Product Overview

The AV-369BT is a versatile 5.1 channel HIFI power amplifier designed for home theater, karaoke, and general audio playback. It features multiple input options including Optical, Coaxial, and Bluetooth 5.0, along with USB and SD card playback capabilities. This amplifier delivers a powerful audio experience with 120W x 2 channels for main speakers and 25W x 3 channels for surround/center speakers, complemented by super bass output.

2. Package Contents

Please check the package carefully to ensure all items are present and in good condition.

• 1x AV-369BT Amplifier
• 1x Remote Control
• 1x Power Cord
• 1x Instruction Manual (this document)

3. Setup Instructions

3.1 Identifying Controls and Interfaces

Front Panel Controls:

• Power Switch: Turns the unit on/off.
• Microphone Interface (MIC1, MIC2): Connect microphones for karaoke.
• Microphone Volume Adjustment (MIC VOL): Adjusts microphone input volume.
• Reverb Adjustment (ECHO): Controls the echo effect for microphones.
• Bass Adjustment (BASS): Adjusts the low-frequency output.
• Treble Adjustment (TREBLE): Adjusts the high-frequency output.
• Master Volume (MASTER VOL): Controls the overall output volume.
• Input Switching (INPUT): Selects the audio input source (DVD, CD, USB, SD, Bluetooth, Optical, Coaxial).
• Display: Shows current mode and track information.
• SD Card Slot (SD/MMC CARD): Insert SD/MMC cards for playback.
• USB Port (USB): Insert USB drives for playback.
• Previous Song (<): Skips to the previous track.
• Play/Pause (►/−): Plays or pauses current track.
• Next Song (>): Skips to the next track.
• Mode Switching (MODE): Cycles through playback modes (e.g., USB, SD, Bluetooth).

Rear Panel Interfaces:

• FM Antenna Interface (FM ANT): Connect an FM antenna for radio reception.
• Coaxial Line Interface (COAXIAL): Digital audio input.
• Fiber Optic Line Interface (OPTICAL): Digital audio input.
• Audio Input (AUDIO INPUT): Analog audio input (RCA L/R).
• Audio Output Left Channel (AUDIO OUTPUT L): Analog audio output for left channel.
• Overweight Bass Output (SW): Output for subwoofer.
• Right Channel Output (R): Speaker output for right channel.
• Right Channel Surround Output (SR): Speaker output for right surround channel.
• Left Channel Surround Output (SL): Speaker output for left surround channel.
• Mid-mount Output (C): Speaker output for center channel.
• 220V Power Interface: Connect to AC power supply.

3.2 Connecting Your System

1. Speakers: Connect your 5.1 channel speakers to the corresponding outputs on the rear panel (R, L, SR, SL, C, SW). Ensure correct polarity (+ to + and - to -) for optimal sound quality.
2. Audio Sources:
   • For digital audio, connect your source (e.g., TV, Blu-ray player) to the COAXIAL or OPTICAL input.
   • For analog audio, connect your source (e.g., CD player, DVD player) to the AUDIO INPUT (RCA L/R).
3. Microphones: If using for karaoke, connect up to two microphones to the MIC1 and MIC2 interfaces on the front panel.
4. Power: Connect the power cord to the 220V Power Interface on the rear panel and then to a suitable power outlet.

4. Operating Instructions

4.1 Basic Operation

1. Power On/Off: Press the POWER switch on the front panel to turn the amplifier on or off.
2. Select Input Source: Use the INPUT button on the front panel or the remote control to cycle through available audio sources (DVD, CD, USB, SD, Bluetooth, Optical, Coaxial). The selected source will be shown on the display.
3. Adjust Volume: Rotate the MASTER VOL knob to adjust the overall volume.
4. Tone Control: Use the BASS and TREBLE knobs to fine-tune the audio's low and high frequencies to your preference.

4.2 USB/SD Card Playback

1. Insert a USB flash drive into the USB port or an SD/MMC card into the SD/MMC CARD slot.
2. Press the INPUT or MODE button until 'USB' or 'SD' is displayed.
3. Use the ►/− (Play/Pause), < (Previous), and > (Next) buttons to control playback.

4.3 Bluetooth Operation

This amplifier supports Bluetooth 5.0 for wireless audio streaming.

1. Press the INPUT or MODE button until 'BLUE' or 'BT' is displayed on the screen, indicating Bluetooth mode. The amplifier is now discoverable.
2. On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
3. Select 'AV-369BT' (or similar name) from the list of devices to pair.
4. Once paired, you can play audio from your device, and it will be streamed through the amplifier.

Video: Demonstrating Bluetooth audio playback with a smartphone connected to the amplifier and speakers.

4.4 Karaoke Function

1. Connect your microphones to the MIC1 and MIC2 inputs.
2. Adjust the microphone volume using the MIC VOL knob.
3. Add echo effect using the ECHO knob for a more professional karaoke sound.

5. Maintenance

To ensure the longevity and optimal performance of your AV-369BT amplifier, please follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the exterior of the amplifier. Do not use liquid cleaners or aerosols, as they may damage the finish or internal components.
• Ventilation: Ensure adequate ventilation around the unit. Do not block the ventilation openings on the top or sides of the amplifier. Avoid placing it in enclosed spaces without airflow.
• Environment: Keep the amplifier away from direct sunlight, heat sources, excessive dust, moisture, and strong electromagnetic fields.
• Power Off: Always turn off the amplifier and unplug it from the power outlet before cleaning or if it will be unused for an extended period.

6. Troubleshooting

If you encounter any issues with your amplifier, please refer to the following common problems and solutions:

• No Power:
  • Check if the power cord is securely connected to both the amplifier and the power outlet.
  • Ensure the power switch on the front panel is in the 'ON' position.
  • Verify the power outlet is functional by plugging in another device.
• No Sound Output:
  • Confirm that the correct input source is selected (e.g., Optical, Bluetooth, USB).
  • Check all speaker connections for proper wiring and polarity.
  • Increase the MASTER VOL knob.
  • Ensure the audio source device is playing and its volume is turned up.
• Bluetooth Pairing Issues:
  • Make sure the amplifier is in Bluetooth mode ('BLUE' or 'BT' on display).
  • Ensure your mobile device's Bluetooth is enabled and within range.
  • Try unpairing and re-pairing the device.
  • Restart both the amplifier and your mobile device.
• USB/SD Playback Not Working:
  • Ensure the USB drive or SD card is inserted correctly.
  • Verify the amplifier is in USB or SD mode.
  • Check if the audio files on the drive/card are in a supported format.
  • Try a different USB drive or SD card.

If the problem persists after trying these steps, please contact customer support.

7. Specifications

8. User Tips

• For the best sound experience, ensure your speakers are correctly positioned and wired according to their intended channels (front left/right, center, surround left/right, subwoofer).
• When using the karaoke function, experiment with the ECHO control to find the most pleasing vocal effect.
• Keep the remote control handy for convenient input switching and volume adjustments from a distance.
• If experiencing interference with Bluetooth, try moving your mobile device closer to the amplifier or away from other wireless devices.

9. Warranty and Support

This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation provided at the time of purchase or contact your retailer.

For technical support, troubleshooting assistance, or any questions regarding your AV-369BT amplifier, please contact the seller or the manufacturer's customer service department.