1. Introduction
Welcome to the user manual for your SYNCO G2(A1) MAX Wireless Lavalier Microphone system. This guide provides essential information for setting up, operating, maintaining, and troubleshooting your device to ensure optimal performance and a high-quality audio experience. Please read this manual thoroughly before using the product.
2. Product Overview
2.1 Components
The SYNCO G2(A1) MAX system typically includes the following components:
- SYNCO G2(A1) MAX Transmitter (TX)
- SYNCO G2(A1) MAX Receiver (RX)
- 3.5mm TRRS/TRS Cable (for camera/smartphone connection)
- USB Type-C Charging Cable
- Lavalier Microphone (external)
- Windscreen for built-in microphone
- Carrying Case

The SYNCO G2(A1) MAX wireless lavalier microphone system components, including transmitter, receiver, and accessories.
2.2 Key Features
- 656ft (200m) Stable Transmission: Utilizes secure 2.4GHz digital transmission and Syncoder Tech for extended range.
- 8GB Onboard Recording: Each transmitter includes 8GB of internal memory for up to 24 hours of audio backup.
- Dual-Channel System: Supports simultaneous use of two transmitters with one receiver.
- Multiple Output Modes: Switch between Mono, Stereo, and Safety output modes for versatile recording.
- One-Touch Noise Cancellation: Minimizes background noise for clear audio.
- Adjustable Gain Control: 0-6 level gain adjustment for optimizing audio input.
- Clear TFT Display Screens: Intuitive display shows recording mode, battery status, audio level, and gain.
- One-Button Muting: Conveniently mute the microphone during pauses.
- Real-time Monitoring: 3.5mm headphone jack on the receiver for live audio monitoring.
- Upgraded Built-in Microphone: Enhanced design for improved sound quality and wind resistance.

This image illustrates the impressive 656ft (200m) transmission range of the SYNCO G2(A1) MAX wireless microphone system, ideal for outdoor recording and vlogging.

The SYNCO G2(A1) MAX transmitter features 8GB of internal storage, providing up to 24 hours of audio backup, ensuring your recordings are safe even if the wireless connection is interrupted.

The SYNCO G2(A1) MAX supports a dual-channel system, allowing two transmitters to connect to one receiver simultaneously, perfect for interviews or two-person content creation.
3. Setup
3.1 Charging the Units
Before first use, fully charge both the Transmitter (TX) and Receiver (RX) units. Connect the provided USB Type-C charging cable to the charging ports on each unit and plug the other end into a USB power source. A full charge typically takes approximately 1.5 hours, providing up to 8 hours of working time.

The compact design of the SYNCO G2(A1) MAX makes it highly portable. It charges fully in 1.5 hours, providing up to 8 hours of continuous operation.
3.2 Power On/Off and Automatic Pairing
- To power on, press and hold the power button on both the TX and RX units.
- The units will automatically pair with each other upon power-on. The display screens will indicate a successful connection.
- To power off, press and hold the power button on each unit again.
3.3 Connecting to Recording Devices
The SYNCO G2(A1) MAX is compatible with various devices:
- DSLR Camera: Use the provided 3.5mm TRS cable. Connect one end to the RX's output jack and the other to your camera's microphone input. You can mount the RX to your camera's hot shoe.
- Smartphone/Tablet: Use the provided 3.5mm TRRS cable. Connect one end to the RX's output jack and the other to your smartphone's headphone/microphone jack.
- PC/Laptop: Use the appropriate 3.5mm cable. For optimal performance, a dedicated sound card may be recommended.

The SYNCO G2(A1) MAX system can be easily connected to a smartphone for high-quality mobile recording.
3.4 Attaching the Transmitter
Clip the TX unit to your clothing, ensuring the built-in microphone is facing the sound source. For enhanced audio quality or discreet placement, you can connect the external lavalier microphone to the TX's 3.5mm input jack.

The SYNCO G2(A1) MAX features an upgraded built-in microphone with an increased size (6mm) and a tighter windproof cover, enhancing sound quality and reducing wind noise.
4. Operating Instructions
4.1 Internal Storage Recording (TX)
The TX unit features 8GB of internal storage for audio backup. To use this function:
- Long press the internal storage recording button on the TX for 3 seconds to start recording. The display will show a recording indicator and elapsed time.
- Long press the button again for 3 seconds to stop recording.
- This feature provides a reliable backup in case of wireless signal interruption or other recording issues.
4.2 Output Mode Selection (RX)
The receiver offers three output modes: Mono, Stereo, and Safety. These can be selected via the RX unit's controls:
- Mono Mode: Combines all audio inputs into a single mono track.
- Stereo Mode: Separates audio inputs into left and right channels, ideal for post-production.
- Safety Mode: Provides a backup audio track recorded at -6dB alongside the main track, preventing audio clipping from unexpected loud sounds.

The new upgraded safety channel mode in the SYNCO G2(A1) MAX provides an additional audio track recorded at -6dB, preventing audio clipping and ensuring a usable backup in case of unexpected loud sounds.
4.3 Noise Cancellation
To activate or deactivate the one-touch noise cancellation feature, press the dedicated noise cancellation button on the RX unit. This feature helps to minimize unwanted background noise for clearer audio.
4.4 Gain Control
Adjust the audio input gain (0-6 levels) on the RX unit to optimize the signal strength. This ensures the microphone captures a strong enough signal without being too quiet or too loud, preventing distortion.

This image illustrates the two-stage noise cancellation feature and the 0-15 level gain control on the SYNCO G2(A1) MAX, allowing users to optimize audio quality and reduce background noise.
4.5 Muting
Press the mute button on the TX unit to temporarily mute the microphone. This is useful for short pauses during recording or when setting up equipment.
4.6 Real-time Monitoring
Plug headphones into the 3.5mm headphone jack on the RX unit to monitor the audio in real-time during recording. This allows you to ensure proper audio levels and quality.

The SYNCO G2(A1) MAX is versatile, compatible with DSLR cameras, smartphones, and laptops, making it suitable for online classes, vlogging, live streaming, and professional interviews.
5. Maintenance
To ensure the longevity and optimal performance of your SYNCO G2(A1) MAX system, follow these maintenance guidelines:
- Keep the units clean and dry. Use a soft, dry cloth to wipe surfaces.
- Avoid exposing the units to extreme temperatures, humidity, or direct sunlight.
- Store the system in its provided carrying case when not in use to protect it from dust and physical damage.
- Regularly check and clean the charging ports and audio jacks to ensure good connectivity.
6. Troubleshooting
If you encounter issues with your SYNCO G2(A1) MAX, refer to the following common troubleshooting steps:
- No Audio or Low Volume:
- Ensure both TX and RX units are powered on and paired.
- Check battery levels on both units.
- Verify all cables are securely connected to the recording device and RX.
- Adjust the gain control on the RX unit.
- Ensure the TX unit is not muted.
- Check the microphone input settings on your recording device (camera, smartphone, PC).
- Interference or Poor Signal:
- Ensure the TX and RX units are within the optimal operating range (up to 656ft/200m line-of-sight).
- Minimize physical obstructions between the TX and RX.
- Avoid areas with strong 2.4GHz interference (e.g., Wi-Fi routers, other wireless devices).
- Activate the noise cancellation feature.
- Units Not Pairing:
- Power off and then power on both TX and RX units. Ensure they are close to each other during power-on.
- Check battery levels.
- Audio Distortion:
- Reduce the gain level on the RX unit.
- Consider using the Safety Mode to provide a -6dB backup track.
- Ensure the microphone is not too close to the sound source.
7. Specifications
| Feature | Specification |
|---|---|
| Manufacturer | SYNCO |
| Model Name | SY-G2A1-MAX |
| Connectivity Technology | Wireless (2.4 GHz) |
| Connector Type | 3.5 mm Jack, USB Type-C |
| Special Feature | Clip |
| Compatible Devices | Camera, Smartphone, PC |
| Microphone Form Factor | Lavalier |
| Power Source | Battery Powered |
| Number of Channels | 2 |
| Item Weight | 10.8 ounces |
| Package Dimensions | 7.28 x 4.02 x 2.52 inches |
8. Warranty and Support
For warranty information, technical support, or any inquiries regarding your SYNCO G2(A1) MAX Wireless Lavalier Microphone, please contact SYNCO customer service. Refer to the official SYNCO website for the most up-to-date contact details and support resources.
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