Product Overview
The Girftu CX31993 USB C to 3.5mm DAC Headphone Amplifier Adapter is designed to provide high-resolution audio output from USB-C enabled devices to 3.5mm audio equipment. Featuring the CX31993 DAC chip, it supports lossless music playback with enhanced sound quality.
Key Features:
- CX31993 Chip: Integrated Hi-Res Lossless Music DAC.
- Premium Cable: Constructed with 4 strands of transparent sterling silver and 4 strands of transparent blue mixed silver-plated wire for optimal signal transfer.
- Wide Compatibility: Compatible with 95% of Type-C mobile phones and Windows 10 systems. Supports calls and line control functions.
- High Performance: Thrust: 65mW, DAC sampling rate: 32bits/384KHz, Signal-to-noise ratio/SNR: >128dB, Dynamic range/DNR: >120dB, Distortion/THD+N: 95db, THD+N: 0.0003%.
What's in the Box
Upon opening your Girftu CX31993 adapter package, you will find the following items:
- 1x Girftu CX31993 USB C to 3.5mm Adapter
- 1x USB-A Adapter
Image: Contents of the Girftu CX31993 adapter package, including the adapter and a USB-A adapter.
Setup Guide
Follow these steps to connect and begin using your Girftu CX31993 adapter:
- Connect 3.5mm Device: Insert your 3.5mm headphones, earphones, or other audio device into the 3.5mm jack of the Girftu adapter.
- Connect to Source Device: Plug the USB-C end of the adapter into the USB-C port of your smartphone, tablet, laptop, or other compatible device.
- Optional USB-A Connection: If your source device only has a USB-A port, attach the included USB-A adapter to the USB-C end of the Girftu adapter, then plug it into your device's USB-A port.
- Plug and Play: The adapter is designed for plug-and-play functionality. Your device should automatically recognize the adapter and route audio through it.
Image: Connecting the Girftu CX31993 adapter to a smartphone and headphones.
Image: Compatibility diagram showing various devices that can be connected.
Video: Demonstration of unboxing and connecting the Girftu CX31993 USB C to 3.5mm adapter to a smartphone and headphones.
Operating Instructions
The Girftu CX31993 adapter is designed for ease of use:
- Automatic Detection: Once connected, your device should automatically detect the adapter and route audio through your connected 3.5mm device.
- Call and Line Control: The adapter supports call functions and line control (e.g., volume adjustment, play/pause) if your connected 3.5mm headphones or earphones have these features.
- Enhanced Audio: Enjoy high-fidelity audio playback with the integrated CX31993 DAC chip, providing clear and lossless sound.
Maintenance
To ensure the longevity and optimal performance of your Girftu CX31993 adapter, please follow these maintenance guidelines:
- Handle with Care: Avoid excessive bending or pulling of the cable, especially near the connectors, to prevent internal wire damage.
- Keep Clean: Use a soft, dry cloth to clean the adapter and connectors. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures.
- Protect Connectors: Ensure connectors are free from dust and debris before plugging them in.
Image: Close-up of the adapter's durable construction, emphasizing the braided cable and metal connectors.
Troubleshooting
If you encounter issues with your Girftu CX31993 adapter, refer to the following common problems and solutions:
- No Sound Output:
- Ensure both the 3.5mm audio device and the USB-C adapter are fully and correctly plugged in.
- Check your device's audio settings to confirm that the audio output is directed to the USB-C accessory.
- Test with another 3.5mm audio device or USB-C port to rule out issues with other components.
- Some Android devices may require specific USB settings to be enabled (e.g., OTG or USB Audio Routing). Consult your device's manual.
- Intermittent Sound or Static:
- Ensure all connections are secure and free from movement.
- Check for any physical damage to the adapter cable or connectors.
- Avoid placing the adapter near sources of electromagnetic interference.
- Adapter Not Recognized:
- Restart your source device (phone, tablet, computer).
- Ensure your device's operating system is up to date.
- If using the USB-A adapter, ensure it is securely connected.
- Poor Sound Quality (Distortion, Low Volume):
- Verify that your audio files are of good quality.
- Adjust the volume on both your source device and, if applicable, your headphones.
- Ensure the 3.5mm plug is fully inserted into the adapter's jack.
Specifications
| Feature | Detail |
|---|---|
| Model Number | CX31993 |
| DAC Chip | CX31993 |
| DAC Sampling Rate | 32bits/384KHz |
| Signal-to-Noise Ratio (SNR) | >128dB |
| Dynamic Range (DNR) | >120dB |
| Distortion (THD+N) | 95db, 0.0003% |
| Thrust | 65mW |
| Connector Type | USB Type C to 3.5mm |
| Cable Material | 4 strands transparent sterling silver + 4 strands transparent blue mixed silver-plated wire |
| Compatible Devices | iPhone 15 series, Samsung Galaxy S/Note series, Pixel, iPad Pro/Mini, MacBooks, Windows 10 PCs, and other USB-C devices. |
| Item Weight | 1.48 ounces |
| Package Dimensions | 5.08 x 3.74 x 1.22 inches |
Image: Technical specifications of the CX31993 DAC chip.
Warranty and Support
Girftu products are manufactured to high-quality standards. For specific warranty information, please refer to the product packaging or contact your retailer. If you experience any issues or require technical assistance, please reach out to Girftu customer support through the contact information provided with your purchase.