1. Introduction
Thank you for choosing the AV-628BT5 5-Channel 600W Bluetooth Power Amplifier. This amplifier is designed to provide a rich audio-visual entertainment experience, transforming your home into an audio-visual hub. It features multiple input options, powerful output, and Bluetooth connectivity for versatile use with various devices.
2. Important Safety Instructions
Please read and understand all safety instructions before operating this device. Keep this manual for future reference.
- Power Source: Ensure the amplifier is connected to a power supply matching the rated voltage (110V or 220V, depending on your model).
- Ventilation: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Water and Moisture: Do not expose this apparatus to rain or moisture. Do not place objects filled with liquids, such as vases, on the apparatus.
- Heat: Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cleaning: Clean only with a dry cloth.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
3. Package Contents
Please check the package for the following items:
- AV-628BT5 Power Amplifier
- Remote Control
- User Manual (this document)
- Power Cable (region-specific)
4. Product Overview
4.1 Front Panel
Front Panel Controls:
- Power Switch: Turns the amplifier on/off.
- Dynamic Display Screen: Shows current status, input mode, and track information.
- USB Disk Interface: For connecting USB storage devices for media playback.
- Playback Controls: Loop Playback, Play/Pause, Previous Track, Next Track.
- Function Selection: Switches between input sources (e.g., AUX, Bluetooth, USB, FM).
- Microphone Jacks (MIC1, MIC2): For connecting microphones.
- Microphone Volume (MIC VOL): Adjusts the volume of the connected microphones.
- Microphone Bass (M.BASS): Adjusts the bass level for microphones.
- Microphone Treble (M.TREBLE): Adjusts the treble level for microphones.
- Microphone Reverb/Echo (ECHO): Adjusts the echo effect for microphones.
- Music Bass (BASS): Adjusts the bass level for music playback.
- Music Treble (TREBLE): Adjusts the treble level for music playback.
- Loudness Switch (LOUDNESS): Enhances bass and treble at low volumes.
- Left/Right Balance (BALANCE): Adjusts the audio balance between left and right channels.
- Master Volume (VOLUME): Controls the overall output volume.
4.2 Rear Panel
Rear Panel Connections:
- Audio Input (AUX1, AUX2, LINE): RCA inputs for connecting external audio sources like CD players, DVD players, or other audio devices.
- Speaker Output: Terminals for connecting passive speakers. Ensure speaker impedance is between 4-16Ω.
- Audio Output: RCA outputs for connecting active subwoofers or active speakers.
- FM ANT: Connector for the FM antenna.
- Power Input: For connecting the power cable.
5. Setup Guide
5.1 Placement
Place the amplifier on a stable, flat surface with adequate ventilation. Avoid placing it near heat sources or in direct sunlight. Ensure there is enough space around the unit for proper airflow.
5.2 Connecting Speakers
- Ensure the amplifier is turned off and unplugged from the power outlet.
- Connect your passive speakers to the SPEAKER OUTPUT terminals on the rear panel.
- Observe correct polarity: connect the positive (+) terminal of the amplifier to the positive (+) terminal of the speaker, and the negative (-) terminal of the amplifier to the negative (-) terminal of the speaker.
- Ensure the speaker impedance is within the recommended range of 4-16Ω.
5.3 Connecting Audio Sources
You can connect various audio sources to the amplifier:
- Analog Devices (CD/DVD Player, TV, Projector, Computer): Use RCA cables to connect the audio output of your device to the AUX1, AUX2, or LINE input jacks on the rear panel.
- Active Subwoofer/Speakers: If you have an active subwoofer or active speakers, connect them to the AUDIO OUTPUT jacks on the rear panel using RCA cables.
- FM Antenna: Connect the provided FM antenna to the FM ANT connector for radio reception.
5.4 Power Connection
- After all audio connections are made, connect the power cable to the POWER INPUT on the rear panel of the amplifier.
- Plug the other end of the power cable into a suitable wall outlet (110V or 220V, depending on your model).
6. Operating Instructions
6.1 Powering On/Off
Press the Power Switch on the front panel to turn the amplifier on or off. The dynamic display screen will illuminate when the unit is powered on.
6.2 Selecting Input Source
Use the Function Selection button on the front panel or the remote control to cycle through available input sources (e.g., AUX1, AUX2, LINE, Bluetooth, USB, FM).
6.3 Adjusting Volume and Tone
- Master Volume: Rotate the large VOLUME knob on the front panel to adjust the overall sound level.
- Music Tone: Use the BASS and TREBLE knobs to fine-tune the low and high frequencies of the music.
- Loudness: Press the LOUDNESS switch to enhance bass and treble at lower listening volumes.
- Balance: Use the BALANCE knob to adjust the left/right channel output.
6.4 Using Microphones (Karaoke Function)
- Plug your microphones into the MIC1 or MIC2 jacks on the front panel.
- Adjust the microphone volume using the MIC VOL knob.
- Use the M.BASS and M.TREBLE knobs to adjust the microphone's bass and treble.
- Apply an echo effect using the ECHO knob.
6.5 Bluetooth Operation
- Select the Bluetooth input mode using the Function Selection button. The display will show "BLUE" or a similar indicator.
- On your mobile device (phone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "AV-628BT" (or similar name) from the list of devices to pair.
- Once paired, you can play audio from your device through the amplifier.
6.6 USB Playback
- Insert a USB flash drive containing audio files into the USB Disk Interface.
- Select the USB input mode using the Function Selection button.
- Use the playback controls (Previous Track, Next Track, Play/Pause, Loop Playback) to manage your music.
6.7 FM Radio
- Ensure the FM antenna is properly connected.
- Select the FM input mode using the Function Selection button.
- The amplifier will automatically scan for and store available FM stations. Use the Previous/Next Track buttons to navigate between stations.
7. Maintenance
- Cleaning: Regularly wipe the amplifier's exterior with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Ventilation: Keep the ventilation openings clear of dust and debris to prevent overheating.
- Storage: If storing the amplifier for an extended period, unplug it from the power outlet and store it in a cool, dry place.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power outlet faulty; Power switch off | Check power cable connection; Try a different outlet; Ensure power switch is ON. |
| No sound output | Incorrect input source selected; Volume too low; Speaker cables loose/incorrectly connected; Mute function active | Select correct input source (use Function Selection); Increase Master Volume; Check speaker connections and polarity; Ensure amplifier is not muted. |
| No sound from a specific input (e.g., AUX) | Source device not playing; Cables loose/faulty; Incorrect input selected on amplifier | Ensure source device is playing and its volume is up; Check/replace audio cables; Select the correct input (AUX1, AUX2, LINE) on the amplifier. |
| Bluetooth pairing issues | Amplifier not in Bluetooth mode; Device too far; Interference | Ensure amplifier is in Bluetooth mode; Move device closer; Restart both amplifier and Bluetooth device. |
| Microphone not working | Microphone not plugged in correctly; MIC VOL too low; Microphone faulty | Ensure microphone is fully inserted into MIC jack; Increase MIC VOL; Test with another microphone if possible. |
| Distorted sound | Volume too high; Speaker impedance mismatch; Faulty cables | Reduce volume; Ensure speakers are 4-16Ω; Check/replace audio cables. |
9. Specifications
| Feature | Detail |
|---|---|
| Model | AV-628BT5 (also referred to as AV-628BT) |
| Amplifier Type | AV Power Amplifier |
| Channels | 5 |
| Power Output | 600W |
| Rated Voltage | Available in 110V (US/EU) and 220V variants |
| Speaker Impedance | 4-16Ω |
| Bluetooth Version | 5.0 |
| Dimensions (W x D x H) | 430mm x 220mm x 70mm |
| Package Weight | 5.0 kg |
| Package Dimensions (L x W x H) | 55cm x 35cm x 10cm |
| Fixed Type | Hook (may refer to mounting options) |
10. User Tips
- For optimal sound quality, ensure all audio cables are securely connected and of good quality.
- When connecting multiple audio sources, remember to switch to the correct input using the Function Selection button on the front panel or remote.
- Experiment with the Bass, Treble, and Loudness controls to find the sound profile that best suits your listening preferences and room acoustics.
- If using the karaoke function, adjust the Microphone Volume and Echo carefully to avoid feedback.
11. Warranty and Support
This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. Please retain your proof of purchase for warranty claims.
For technical support, troubleshooting assistance beyond this manual, or warranty inquiries, please contact your retailer or the point of purchase. They will be able to provide specific guidance and service options.
