1. Introduction
Thank you for purchasing the ZealSound USB Condenser Microphone K66-JP. This manual provides detailed instructions for setting up, operating, and maintaining your microphone to ensure optimal performance. The K66-JP is designed for high-quality audio capture across various applications, including gaming, streaming, recording, and online communication.
2. Package Contents
Please verify that all items listed below are included in your package:
- 1 x ZealSound K66-JP USB Condenser Microphone
- 1 x 180cm Type-C to USB 2.0 Cable
- 1 x Type-C Adapter
- 1 x USB Adapter
- 1 x Foam Windscreen
- 1 x User Manual (English)

Image: The ZealSound K66-JP microphone with its stand, USB cable, Type-C adapter, USB adapter, and foam windscreen.
Video: A brief unboxing sequence showing the microphone and its accessories being removed from the packaging.
3. Product Overview
The ZealSound K66-JP microphone features intuitive controls and a robust design for ease of use and high-quality audio capture.
Microphone Components
- Mute Button: Press to mute/unmute. Long press to activate/deactivate noise reduction.
- Microphone Volume Knob (MIC +/-): Adjusts the input sensitivity of the microphone.
- Monitor Volume Knob (Headphone +/-): Adjusts the volume for real-time audio monitoring through headphones.
- Echo Control Knob (ECHO +/-): Adjusts the echo effect level.
- USB-C Interface: For connecting the microphone to your device.
- 3.5mm Headphone Jack: For real-time audio monitoring.
- 360° Rotating Integrated Desktop Base: Allows for flexible positioning of the microphone.

Image: A close-up view of the microphone highlighting the mute button, microphone volume, monitor volume, and echo control knobs.

Image: A detailed view of the microphone's bottom, indicating the USB-C port for connection and the 3.5mm headphone jack for monitoring.
Video: Demonstrates the various controls on the microphone, including the mute button, volume knobs, and echo control, along with the 360-degree rotation feature of the base.
4. Setup Instructions
The ZealSound K66-JP microphone is designed for plug-and-play functionality, requiring no additional drivers for most operating systems.
Connecting the Microphone
- Connect the provided Type-C to USB 2.0 cable to the USB-C port at the bottom of the microphone.
- Connect the other end of the cable to your computer (Desktop PC, Laptop, MacBook), game console (PS4, PS5), or mobile device (smartphone, tablet). Use the included Type-C or USB adapter if necessary for your device's port.
- Once connected, the microphone's LED indicator will light up, typically blue, indicating it is powered on and ready for use.
- For optimal sound pickup, position the microphone approximately 15-30 cm (6-12 inches) from your mouth.

Image: Illustrates the plug-and-play compatibility of the microphone with multiple devices, including PCs, laptops, game consoles, and mobile devices.
Video: Shows the process of connecting the microphone to a tablet using the provided cable and adapter, demonstrating its plug-and-play functionality for live streaming.
5. Operating Instructions
Basic Controls
- Mute/Unmute: Press the MUTE button once. The LED indicator will turn red when muted and blue when active.
- Noise Reduction: Long press the MUTE button. The blue LED will flash to indicate that noise reduction is active. Long press again to deactivate.
- Microphone Volume Adjustment: Rotate the MIC +/- knob to increase or decrease the microphone's input volume.
- Monitor Volume Adjustment: Rotate the HEADPHONE +/- knob to adjust the volume of your headphones connected to the 3.5mm jack.
- Echo Control: Rotate the ECHO +/- knob to add or remove an echo effect to your voice.
Real-time Monitoring
Connect your headphones to the 3.5mm jack on the microphone for zero-latency real-time monitoring of your audio. This allows you to hear your voice exactly as it's being captured by the microphone.

Image: Shows the noise reduction feature, indicating how it filters out ambient sound to improve voice clarity.

Image: Illustrates the cardioid pickup pattern, which primarily captures sound from the front, reducing background noise.
Video: Demonstrates the microphone's volume control, monitor control, one-touch mute, intelligent noise reduction, and echo control features in a gaming and recording context.
6. Compatibility
The ZealSound K66-JP microphone offers broad compatibility with various devices and platforms:
Supported Devices
- Desktop PCs
- Laptops (including MacBook)
- Game Consoles (PS4, PS5)
- Smartphones (iPhone, Android)
- Tablets
Note: This microphone is not compatible with MIXER and Xbox devices.
Recommended Applications
- Gaming
- Live Streaming
- Home Recording
- Karaoke
- Video Conferencing
- Podcasting
- ASMR

Image: Displays the microphone being used in different settings such as online classes, music recording, business meetings, live streaming, gaming, and podcasting.
Video: Highlights the wide compatibility of the microphone with various devices like smartphones, tablets, computers, laptops, and PS4/PS5.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | K66-JP |
| Brand | ZealSound |
| Connectivity Technology | USB |
| Connector Type | 3.5mm Jack, USB Connector |
| Polar Pattern | Unidirectional (Cardioid) |
| Signal-to-Noise Ratio (S/N) | 76 dB |
| Power Source | Plug & Play |
| Hardware Platform | Game console, Desktop PC, Notebook PC |
| Compatible Devices | iPhone, iPad, Android, Windows |
| Product Weight | 590 grams |
| Dimensions | 21.4 x 13.2 x 11.2 cm |
8. Troubleshooting
If you encounter issues with your ZealSound K66-JP microphone, please refer to the following common problems and solutions:
- No Sound Output:
- Ensure the USB cable is securely connected to both the microphone and your device.
- Check if the microphone is muted (red LED). Press the MUTE button to unmute.
- Verify that the microphone volume (MIC +/-) is not set to minimum.
- Confirm that the correct microphone is selected as the input device in your computer's sound settings or application settings.
- Poor Sound Quality / Excessive Background Noise:
- Ensure the microphone is positioned correctly, facing you, and within 15-30 cm.
- Activate the noise reduction feature by long-pressing the MUTE button (flashing blue LED).
- Reduce ambient noise in your environment.
- Adjust the microphone gain (MIC +/-) to prevent clipping or low volume.
- Echo Effect is Too Strong/Weak:
- Adjust the ECHO +/- knob to achieve your desired echo level.
- No Headphone Monitoring:
- Ensure headphones are fully plugged into the 3.5mm jack.
- Adjust the monitor volume (HEADPHONE +/-) knob.
9. Maintenance
To ensure the longevity and optimal performance of your microphone, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the microphone's exterior. Avoid using liquid cleaners or solvents.
- Storage: Store the microphone in a cool, dry place away from direct sunlight and extreme temperatures.
- Protection: Use the provided foam windscreen to protect the microphone capsule from dust and moisture, and to reduce plosive sounds during use.
- Handling: Handle the microphone with care. Avoid dropping it or subjecting it to strong impacts.
10. Warranty and Support
ZealSound provides a 12-month warranty for this product. In case of initial defects or malfunctions within the warranty period, please contact our customer support for a return or exchange.
For further assistance or inquiries, please visit the official ZealSound website or contact our customer service team through the platform where you purchased the product.





