1. Introduction
The LDZS E580 is a high-fidelity (HIFI) digital power amplifier designed for both home and car audio systems. It features Bluetooth 5.0 connectivity, multiple input options including USB, AUX, and TF card, and delivers powerful, clear audio. Its compact design and robust aluminum alloy body ensure durability and efficient heat dissipation.
2. Safety Information
- Ensure the power supply voltage matches the amplifier's requirements (DC 12-24V).
- Do not expose the device to water, moisture, or extreme temperatures.
- Avoid placing the amplifier in direct sunlight or near heat sources.
- Do not open the casing; refer servicing to qualified personnel.
- Keep out of reach of children.
- Ensure proper ventilation around the amplifier to prevent overheating.
3. Package Contents
The standard package includes:
- LDZS E580 Digital Power Amplifier
- Bluetooth Antenna
- Power Adapter (may vary by region, check product listing)
- User Manual (this document)
4. Product Overview
4.1 Front Panel Functions
- POWER: Power switch to turn the unit on/off.
- SW-LPF: Bass frequency adjustment knob.
- SW-VOL: Bass volume adjustment knob.
- VOL: Main volume adjustment knob.
- TREBLE: Treble adjustment knob.
- BASS: Bass adjustment knob.
- IR: Infrared receiver for remote control (if included).
- E580: Model indicator.
4.2 Rear Panel Connections
- INPUT: Input switching button.
- USB: USB interface for U-disk playback.
- OPT: Fiber input.
- AUX-IN: RCA L/R audio input.
- AUDIO OUTPUT:
- +FR / -FR: Right channel speaker output.
- +FL / -FL: Left channel speaker output.
- +SW / -SW: Sub-woofer output.
- DC 12-24V: Power input interface.
- Bluetooth Antenna: Connector for the external Bluetooth antenna.
5. Setup Instructions
- Connect Speakers: Connect your passive speakers (4-16Ω) to the 'AUDIO OUTPUT' terminals on the rear panel. Ensure correct polarity (+ to + and - to -) for each channel (FR for Right, FL for Left, SW for Sub-woofer).
- Attach Bluetooth Antenna: Screw the provided Bluetooth antenna into its designated port on the rear panel.
- Connect Audio Source: Choose your desired audio input:
- RCA/AUX: Connect your audio device (e.g., CD player, TV) to the 'AUX-IN' RCA ports using an RCA cable.
- USB: Insert a U-disk with WAV, APE, or FLAC lossless audio files into the 'USB' port.
- TF Card: Insert a TF card with WAV, APE, or FLAC lossless audio files into the TF card slot (if available, not explicitly shown but mentioned in features).
- Bluetooth: Ensure the antenna is connected.
- Connect Power: Connect the power adapter to the 'DC 12-24V' input on the rear panel, then plug the adapter into a power outlet.
- Power On: Press the 'POWER' switch on the front panel to turn on the amplifier.
6. Operating Instructions
6.1 Input Selection
Press the 'INPUT' button on the rear panel to cycle through available input sources: AUX, USB, OPT, and Bluetooth. The active input will be indicated by an LED or display (if present).
6.2 Bluetooth Pairing
- Select Bluetooth input using the 'INPUT' button.
- On your mobile device, tablet, or computer, enable Bluetooth and search for available devices.
- Select 'E580' (or similar name) from the list of devices to pair.
- Once paired, you can stream audio wirelessly to the amplifier. The Bluetooth 5.0 chip ensures stable transmission up to 10 meters.
6.3 USB/TF Card Playback
When a U-disk or TF card containing supported audio files (WAV, APE, FLAC) is inserted and the corresponding input is selected, the amplifier will automatically begin playback. The USB input supports plug-and-play functionality.
6.4 Volume and Tone Control
Use the 'VOL' knob for overall volume adjustment. The 'TREBLE' and 'BASS' knobs allow you to fine-tune the high and low frequencies of your audio. The 'SW-LPF' and 'SW-VOL' knobs provide specific control over the subwoofer's frequency and volume, respectively.
7. Maintenance
- Clean the amplifier with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Keep the ventilation openings clear of dust and debris.
- When not in use for extended periods, disconnect the power adapter.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter not connected or faulty; power switch off. | Check power connections; ensure power switch is on; try a different power outlet. |
| No sound output | Incorrect input selected; speaker wires loose; volume too low; audio source issue. | Verify input selection; check speaker connections; increase volume; test with a different audio source. |
| Bluetooth not connecting | Amplifier not in Bluetooth mode; device too far; interference. | Ensure Bluetooth input is selected; move device closer; restart both amplifier and Bluetooth device. |
| USB/TF card not playing | Unsupported file format; card/disk not inserted correctly; corrupted files. | Ensure files are WAV, APE, or FLAC; reinsert card/disk; try a different card/disk. |
| Distorted sound | Volume too high; faulty cables; impedance mismatch. | Reduce volume; check and replace cables; ensure speakers are 4-16Ω. |
9. Specifications
| Parameter | Value |
|---|---|
| Amplifier Brand | LDZS |
| Amplifier Model | AV-E580 |
| Amplifier Type | HIFI Digital Power Amplifier |
| Amplifier Chip | TPA3116 |
| Audio Channel | 2.1 |
| Input Voltage | DC 12V/24V |
| Output Power | 100W (Max 100W x 2 channels) |
| Output Impedance | 4-16Ω |
| Harmonic Distortion | < 1KHz 0.05% 4W |
| Frequency Response | 20Hz-20KHz |
| Input Methods | AUX, USB, OPT, Bluetooth, TF-card |
| Bluetooth Version | V5.0 |
| USB Input Support | Yes (WAV, APE, FLAC lossless formats) |
| Wireless Bluetooth Support | Yes |
| Product Weight | 0.8 KG |
| Dimensions (L x W x H) | 158mm x 145mm x 40mm (approximate) |
10. User Tips
- Power Supply: The amplifier typically requires an external power supply (DC 12-24V). Ensure you have a compatible power adapter, as it may not always be included in all packages.
- Speaker Matching: For optimal performance, use passive speakers with an impedance between 4-16Ω.
- USB Playback Priority: When a USB drive is inserted, it often takes priority for playback. If you want to use another input, ensure the USB drive is removed or switch inputs manually.
- TPA3116 Chip: The amplifier utilizes the TPA3116 D2 chip, known for its efficiency and sound quality in digital amplification.
11. Warranty and Support
LDZS products are manufactured to high-quality standards. For warranty information and technical support, please refer to the seller's policies or contact the point of purchase. Keep your purchase receipt as proof of purchase.
