1. Introduction
Thank you for choosing the Erilles A2 Sound Card Live Mixer Audio Interface. This professional-grade device is designed to enhance your audio experience for live streaming, music recording, karaoke, and podcasting. Featuring a powerful DSP chip, Bluetooth connectivity, and a wide array of sound effects, the A2 Sound Card provides clear, high-quality audio output and versatile control. This manual will guide you through the setup, operation, and maintenance of your new sound card.
2. Product Features
- Advanced DSP Chip: Upgraded audio DSP chip for precise rhythm adjustment, clearer audio signals, and beautiful sound output.
- 48V Phantom Power Support: Dedicated microphone cable support for 48V 3.5mm interface microphones, offering convenient connectivity for large-diaphragm microphones.
- Bluetooth Connectivity: Built-in upgraded Bluetooth module for seamless wireless connection to mobile phones, tablets, and other Bluetooth-compatible digital devices for accompaniment.
- High Compatibility: Supports most mainstream operating systems including Android, Windows 7, Windows 10, and Mac. Compatible with over 500 applications on the market.
- Long-lasting Battery: Integrated lithium battery with 1500mAh capacity, providing approximately 12 hours of live usage and 24 hours of standby time.
- Lossless Noise Reduction: Intelligent noise reduction technology to improve sound quality and clarity.
- Multiple Sound Effects: Features 12 electronic sound effects and various warm-up effects for live broadcasts, including K-song, fashion, professional, DJ, game, eliminate, kissing, crow, dodge, etc.
- Adjustable Controls: Independent controls for volume, treble, mezzo, bass, echo, sound, and dodges.
- Real-time Monitoring: Allows for real-time earphone monitoring of audio output.
- Voice Changer: Built-in voice changing functions.
- One-Key Dodge: Quick access to dodge function.
- Lantern Effect: Visual lighting effects.
3. Package Contents
Please check the package contents upon unboxing:
- 1x A2 Audio Mixer
- 2x Audio Cables
- 1x Charging Cable
- 1x User Manual
4. Specifications
| Feature | Specification |
|---|---|
| Dimensions (L*W*H) | 227mm * 145mm * 20mm |
| Exterior Color | High-end mirror craft black |
| Working Environment Temperature | 0 - 60 °C |
| Built-in Battery | Lithium battery 1500mAh |
| Charging Time | Approximately 2 hours |
| Recharging Current | 500mA |
| Charging Voltage | DC 5V |
| Sample Rate Quantization | 24bit |
| Bluetooth Version | Bluetooth 5.0 |
| Bluetooth Reception Range | <12m |
| Signal-to-Noise Ratio (S/N) | >85dB |
| Output Power | 80mW (Load 32Ω) |
| THD Harmonic Distortion | <0.1% |
| Product Weight | 900g |
5. Setup Guide
Follow these steps to set up your A2 Sound Card for various applications:
5.1. Connecting to a Single Phone for Live Broadcast
- Connect your microphone to the 'MIC' input port on the sound card. If using a 48V condenser microphone, connect it to the '48V MIC' port.
- Connect your earphones or headphones to the 'Earphones' or 'Headset' output port.
- Use one of the provided audio cables to connect the 'Live1' or 'Live2' output port on the sound card to the audio input (usually the headphone jack) of your mobile phone.
- Ensure your mobile phone is connected to the internet for live broadcasting.
5.2. Microphone Connection (48V/5V Support)
The A2 Sound Card supports both standard 48V phantom power for large-diaphragm condenser microphones and 5V power for dynamic microphones. Connect your microphone to the appropriate input ('MIC' for 5V or '48V MIC' for 48V) on the sound card.
5.3. Bluetooth Accompaniment
- Turn on the A2 Sound Card.
- Activate Bluetooth on your mobile phone or tablet.
- Search for available Bluetooth devices and select "A2 Sound Card" to pair.
- Once connected, you can play accompaniment music from your device through the sound card.
5.4. Computer/Tablet Compatibility
The A2 Sound Card can be connected to computers and tablets via the 'PC/OTG' port using a USB cable. This allows for direct audio input/output with your computer for recording, streaming, or using desktop applications. It supports Android, Apple, Windows (7, 10), and Mac systems.
6. Operating Instructions
The A2 Sound Card features intuitive controls for various audio adjustments and effects.
6.1. Main Controls
- Effect Mode Knob: Adjusts the overall effect mode.
- Microphones Knob: Controls the microphone input volume.
- Monitor Knob: Adjusts the volume of the monitor output (earphones).
- Treble, Mezzo, Bass Knobs: Fine-tune the equalization for your microphone input.
- Echo Knob: Controls the echo effect level.
- Sound Knob: Adjusts the overall sound output volume.
- Dodges Knob: Controls the dodge effect level.
- Faders (AUX, Recording, 48V, Denoise): These sliders allow for precise control over auxiliary input volume, recording level, 48V phantom power activation (if applicable), and noise reduction intensity.
6.2. Sound Effects and Electronic Music Tones
The sound card features a variety of buttons for instant sound effects and electronic music tones:
- 12 Sound Effects: Buttons labeled 'K song', 'Fashion', 'Professional', 'DJ', 'Game', 'Eliminate', 'Original Sound', 'Electric Sound', 'Yell', 'Female', 'Male', 'Baby' provide quick access to different vocal and genre-specific effects.
- Warm-up Effects: Additional buttons for 'Kissing', 'Crow', 'Guffaw', 'Cheer', 'Awkward', 'Aggregate', 'Clap', 'Despise', 'Gun', 'Time Out', 'Muah', 'Why', 'Oh, no', 'Attention', 'Thank You', 'Laugh', 'Evacuate', 'Observe', 'Hello', 'Songs' add atmosphere to your live broadcasts.
- Electronic Music Tones: Use the numbered faders (1-12) to select and adjust 12 classic special effects tones, allowing you to adapt to various live broadcast styles.
7. Battery and Charging
The A2 Sound Card is equipped with a built-in rechargeable lithium battery.
- Battery Capacity: 1500mAh
- Usage Time: Approximately 12 hours for live broadcasting.
- Standby Time: Approximately 24 hours.
- Charging Time: Approximately 2 hours for a full charge.
- Charging: Connect the provided charging cable to the 'Charging' port on the sound card and a standard DC 5V power source (e.g., USB wall adapter, computer USB port).
8. Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the sound card. Do not use liquid cleaners or abrasive materials.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping or subjecting the device to strong impacts.
- Power: Disconnect the power cable when the device is not in use for extended periods.
9. Troubleshooting
If you encounter issues with your A2 Sound Card, please refer to the following common solutions:
- No Sound Output:
- Check all cable connections to ensure they are secure.
- Verify that the volume knobs (Microphones, Sound, Monitor) are not set to minimum.
- Ensure the connected microphone and earphones are functioning correctly.
- Check the audio settings on your connected phone/computer.
- Bluetooth Connection Issues:
- Make sure the sound card's Bluetooth is enabled (indicated by the Bluetooth light).
- Ensure your device's Bluetooth is on and visible.
- Try unpairing and re-pairing the device.
- Move closer to the sound card to ensure you are within the 12m reception range.
- Poor Sound Quality/Noise:
- Adjust the 'Denoise' fader to reduce background noise.
- Check microphone placement and ensure it's not too close to speakers or other noise sources.
- Ensure all cables are properly shielded and not damaged.
- Adjust the Treble, Mezzo, and Bass knobs for optimal sound.
- Device Not Charging:
- Verify the charging cable is securely connected to both the sound card and the power source.
- Ensure the power source is active and providing DC 5V.
- Try a different charging cable or power adapter.
10. User Tips
- Experiment with Effects: Don't be afraid to try different sound effects and electronic tones to find what best suits your voice and content.
- Monitor Your Audio: Always use headphones for real-time monitoring to catch and correct any audio issues during live broadcasts or recording.
- Optimal Microphone Placement: Position your microphone correctly to minimize plosives and background noise, even with noise reduction enabled.
- Keep it Charged: For uninterrupted sessions, ensure your sound card is fully charged before use, especially for longer live streams.
- Software Compatibility: While highly compatible, some applications might require specific audio input/output selections in their settings. Check your app's audio preferences if you encounter issues.
11. Warranty and Support
For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.
