1. Overview
The Sevenoak SKM-K1 is a compact 2.4GHz dual-channel wireless lavalier microphone system designed for high-quality audio recording with smartphones, tablets, DSLR cameras, camcorders, and computers. It is ideal for various applications including vlogging, live streaming, interviews, and general video recording. Key features include:
- 2.4GHz Dual-Channel System: Ensures stable and clear audio transmission.
- Mono and Stereo Output Modes: Allows flexible audio recording for post-editing.
- Built-in Omnidirectional Microphone: Provides clear sound capture.
- Mute Function: For temporary audio cutoff.
- Noise Reduction Function: Enhances audio clarity by minimizing ambient noise.
- Gain Adjustment: 6 levels of input gain control for optimal audio levels.
- Real-time Monitoring: Via a 3.5mm headphone jack on the receiver.
- Lightweight and Portable: Each unit weighs only 18g.
- Long Battery Life: Up to 6 hours on a full charge.
2. What's in the Box
Your Sevenoak SKM-K1 package includes the following components:
- 1x SKM-K1 Transmitter (TX)
- 1x SKM-K1 Receiver (RX)
- 1x 3.5mm TRS to TRS Camera Output Cable
- 1x 3.5mm TRS to TRRS Phone Output Cable
- 2x USB-C Charging Cables
- 1x Windproof Furry Cover
3. Product Structure
Familiarize yourself with the main components and their functions:
Transmitter (TX)
- Built-in Microphone: Omnidirectional for audio capture.
- 3.5mm Mic/Line-in Jack: For connecting an external lavalier microphone.
- Power/Mute Button: To turn the unit on/off and mute the microphone.
- +/- Buttons: For gain adjustment.
- Status Indicator: Shows power and connection status.
- Belt Clip: For easy attachment to clothing.
Receiver (RX)
- OLED Display: Shows signal strength, pickup mode, battery level, audio input level, mute indicator, mic gain, output volume, and output mode.
- 3.5mm Headphone Output: For real-time audio monitoring.
- 3.5mm Line Out Jack: To connect to recording devices.
- Power/Mute Button: To turn the unit on/off and mute the receiver output.
- +/- SET Button: For adjusting output volume and setting parameters.
- Belt Clip: For easy attachment.
4. Setup
4.1 Charging the Units
Before first use, fully charge both the transmitter and receiver using the provided USB-C charging cables. The units have a built-in lithium battery and can last up to 6 hours on a full charge. The charging case also provides additional charges for extended use.
4.2 Connecting to Your Device
Connect the receiver to your recording device using the appropriate cable:
- For DSLR Cameras/Camcorders: Use the 3.5mm TRS to TRS camera output cable.
- For Smartphones/Tablets: Use the 3.5mm TRS to TRRS phone output cable.
- For iPhones (Lightning port): An additional 3.5mm TRRS to Lightning adapter (not included) is required.
- For USB-C Smartphones/Tablets/Laptops: A 3.5mm TRRS to USB-C cable (not included) or a USB adapter (not included) may be required depending on your device.
4.3 Automatic Pairing
The SKM-K1 transmitter and receiver are designed to pair automatically upon powering on. Ensure both units are charged and powered on for seamless connection.
5. Operating Instructions
5.1 Power On/Off
Press and hold the Power button on both the transmitter (TX) and receiver (RX) units to turn them on or off.
5.2 Gain Adjustment
The transmitter features 6 levels of gain adjustment. Use the +/- buttons on the transmitter to adjust the input gain level (0-6) of the built-in microphone to suit your recording environment and desired audio volume.
5.3 Mute Function
Short press the Power/Mute button on the transmitter to mute or unmute the microphone. The receiver also has a mute function for its output.
5.4 Noise Reduction
The SKM-K1 includes a noise reduction function. To activate or deactivate, short press the +/- buttons on the transmitter simultaneously. This feature helps to minimize background noise for clearer recordings.
5.5 Pickup Modes (Mono/Stereo)
The receiver supports two output modes: Mono and Stereo. You can also select from three pickup modes:
- MIC (Only TX) mode: Picks up sound only from the transmitter's microphone (either built-in or external).
- MIX (RX+TX) mode: Picks up sound from both the receiver's built-in microphone and the transmitter's microphone.
- RCVR (Only RX) mode: Picks up sound only from the receiver's built-in microphone.
5.6 Real-time Monitoring
Plug headphones into the 3.5mm headphone output jack on the receiver to monitor your audio in real-time, ensuring optimal sound quality during recording.
5.7 Usage Scenarios
The compact design and versatile features of the SKM-K1 make it suitable for a wide range of content creation activities, including:
- Vlogging
- Live Streaming
- Interviews
- Recording Life Moments
- YouTube Videos
6. Maintenance
To ensure the longevity and optimal performance of your Sevenoak SKM-K1 wireless microphone system, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the units. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the microphone system in its protective case when not in use. Keep it in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Fully charge the units at least once every three months if not used regularly to maintain battery health.
- Avoid Moisture: Do not expose the units to water or high humidity.
7. Troubleshooting
If you encounter any issues with your SKM-K1, refer to the following common troubleshooting steps:
- No Sound/Poor Audio Quality:
- Ensure both TX and RX units are powered on and successfully paired (indicated by a solid blue light).
- Check all cable connections between the receiver and your recording device. Ensure the correct TRS/TRRS cable is used for your device.
- Adjust the gain level on the transmitter and the output volume on the receiver.
- Deactivate the noise reduction function if audio sounds muffled or unnatural.
- Ensure the microphone is not muted.
- Pairing Issues:
- Turn off both units, then turn them back on. They should automatically re-pair.
- Ensure units are within the effective operating range (up to 100m in open areas).
- Short Battery Life:
- Ensure units are fully charged before use.
- Battery performance may degrade over time with extensive use.
If the issue persists, please contact Sevenoak customer support for further assistance.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Sevenoak |
| Model Number | SKM-K1 (SKM W4) |
| Material | Acrylonitrile Butadiene Styrene |
| Signal-to-Noise Ratio | 80 dB |
| Hardware Platform | Camera, Smartphone |
| Number of Channels | 2 |
| Item Weight | 9.5 ounces |
| Package Dimensions | 6.69 x 4.72 x 2.72 inches |
| Batteries | 1 Lithium Polymer batteries required (included) |
| Connectivity Technology | Wired (3.5mm TRS/TRRS), Wireless (2.4GHz) |
| Connector Type | 3.5mm TRRS, 3.5mm TRS |
| Special Feature | Clip, Mute Function |
| Compatible Devices | Smartphone, Laptop, Personal Computer, Tablet, Camera |
| Polar Pattern | Omnidirectional |
| Power Source | Battery Powered |
9. Warranty and Support
Sevenoak products are manufactured to the highest quality standards. For warranty information or technical support, please refer to the documentation included with your product or visit the official Sevenoak website. Please retain your proof of purchase for any warranty claims.
10. Official Product Videos
Watch these official videos from the seller for additional information and demonstrations:
Sevenoak SKM-K1 Overview
Video: A brief overview of the Sevenoak SKM-K1 wireless microphone system, highlighting its features and benefits for content creators. (Duration: 0:33)
Customer Audio Test: Sevenoak S1 Wireless Clip Microphone
Video: An audio test demonstrating the sound quality of the Sevenoak S1 (similar to SKM-K1) wireless clip microphone in a real-world scenario. (Duration: 0:26)