FIFINE K690
FIFINE K690 USB Studio Recording Microphone User Manual
Model: K690 | Brand: FIFINE
Introduction
Thank you for choosing the FIFINE K690 USB Studio Recording Microphone. This microphone is designed to deliver high-quality audio for various applications including podcasting, streaming, gaming, ASMR, and online meetings. It features a three-capsule array, four selectable pickup patterns, a mute button, and a monitor headphone jack for real-time audio monitoring. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance.
What's in the Box
- Metal Built Microphone
- Detachable USB Cable
- Adapter
- User's Manual

Image: Contents of the FIFINE K690 microphone box, showing the microphone, detachable USB cable, adapter, and user manual.
Product Overview
Familiarize yourself with the key components and controls of your FIFINE K690 microphone.

Image: Detailed view of the microphone's controls, including the microphone gain knob, pattern selection knob, mute button, and headphone volume control.
- Microphone Gain Knob: Adjusts the input sensitivity of the microphone.
- Pickup Pattern Selector: Allows switching between Cardioid, Omnidirectional, Bidirectional, and Stereo patterns.
- Mute Button: Press to mute or unmute the microphone. An indicator light shows the microphone status (green for on, red for muted).
- Headphone Volume Control: Adjusts the volume of the connected headphones for monitoring.
- Headphone Jack (3.5mm): For real-time, no-latency monitoring of your audio.
- USB-C Port: Connects the microphone to your computer or compatible device using the provided USB cable.

Image: The bottom of the microphone, highlighting the USB-C connection port and the 3.5mm headphone jack.
Setup
- Assemble the Microphone: Attach the microphone to its included desktop stand. Ensure it is securely fastened.
- Connect to Computer: Plug the provided USB cable into the USB-C port on the microphone and the other end into an available USB port on your computer (PC, Mac) or PS4/PS5.
- Automatic Driver Installation: Your computer should automatically detect the microphone and install the necessary drivers. This is a plug-and-play device, so no manual driver installation is typically required.
- Select as Input/Output Device:
- Windows: Go to Sound Settings > Input/Output and select "FIFINE K690" as your default input and output device.
- Mac: Go to System Preferences > Sound > Input/Output and select "FIFINE K690" as your default input and output device.
- PS4/PS5: Go to Settings > Devices > Audio Devices and select "FIFINE K690" as your input and output device.
- Connect Headphones (Optional): For real-time monitoring, plug your headphones into the 3.5mm headphone jack at the bottom of the microphone.

Image: The FIFINE K690 microphone fully assembled on its desktop stand, ready for use.
Operating Instructions
1. Adjusting Microphone Gain
Rotate the Microphone Gain Knob (labeled "MIC") to adjust the microphone's sensitivity. Turn clockwise to increase gain and counter-clockwise to decrease it. Adjust this to achieve an optimal recording level without distortion.
2. Selecting Pickup Patterns
The FIFINE K690 offers four distinct pickup patterns for various recording scenarios. Rotate the Pattern Selector Knob to choose the desired pattern:
- Cardioid: Captures sound directly in front of the microphone, ideal for solo vocals, podcasts, and streaming. Minimizes background noise.
- Omnidirectional: Picks up sound equally from all directions, suitable for multi-person podcasts, conference calls, or capturing ambient sound.
- Bidirectional: Records sound from the front and rear of the microphone, perfect for face-to-face interviews or duets.
- Stereo: Captures a wide, realistic sound image, best for recording music, ASMR, or immersive audio experiences.

Image: Visual guide to the microphone's four pickup patterns and their ideal applications.

Image: The FIFINE K690 microphone being used in different modes for various recording needs.
3. Mute Function
Press the Mute Button to instantly mute or unmute the microphone. The LED indicator will show green when the microphone is active and red when it is muted.
4. Headphone Monitoring
Connect headphones to the 3.5mm jack for direct, zero-latency monitoring of your audio. Adjust the monitoring volume using the Headphone Volume Control knob. This allows you to hear your voice in real-time mixed with computer audio, ensuring optimal sound quality during recording or streaming.

Image: A user monitoring their audio in real-time using headphones connected to the microphone.
Maintenance
- Cleaning: Use a soft, dry cloth to wipe the microphone body. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the microphone in a dry, dust-free environment.
- Handling: Handle the microphone with care to prevent damage to the internal components or the metal casing.
Troubleshooting
- No Sound Output:
- Ensure the USB cable is securely connected to both the microphone and the computer/device.
- Verify that "FIFINE K690" is selected as the default input and output device in your computer's sound settings.
- Check the microphone gain knob; it might be turned down too low.
- Ensure the mute button is not active (LED should be green).
- Distorted Audio:
- Reduce the microphone gain.
- Ensure you are not speaking too close to the microphone.
- Check your computer's sound settings for any software-based gain boosts that might be causing clipping.
- Echo or Feedback:
- If using speakers, try using headphones for monitoring.
- Adjust the headphone volume on the microphone.
- Ensure your computer's audio settings are not routing microphone input directly to speaker output.
- Microphone Not Recognized:
- Try connecting the microphone to a different USB port on your computer.
- Restart your computer.
- Ensure your operating system is up to date.
Specifications
| Feature | Detail |
|---|---|
| Model Name | K690 |
| Brand | FIFINE |
| Connectivity Technology | USB |
| Connector Type | USB |
| Polar Pattern | Cardioid/Omni/Bidirectional/Stereo |
| Microphone Form Factor | Table Array |
| Material | Metal |
| Item Weight | 2.87 pounds (1300 Grams) |
| Product Dimensions (L x W x H) | 8.94 x 6.97 x 6.57 inches |
| Frequency Response | 18 KHz |
| Signal-to-Noise Ratio | 78 dB |
| Hardware Platform | Laptop, PC, PlayStation |
| Compatible Devices | Laptop, Macbook, PS4/5 |
| Special Features | Headphones Volume Control, Mic Gain Knob, Pick-up Pattern Switch, Plug and Play, Three-Capsule Array |

Image: Dimensions of the FIFINE K690 microphone, indicating height, width, and depth.
Warranty and Support
For warranty information and technical support, please refer to the documentation included with your product or visit the official FIFINE website. Contact details for customer service are typically provided in the user manual included in the box.
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