1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your FIFINE BM38W RGB Microphone Boom Arm. Please read this guide thoroughly before use to ensure proper functionality and longevity of the product.
2. What's in the Box
- FIFINE BM38W RGB Microphone Boom Arm
- C-Clamp for desk mounting
- 3/8” thread adapter
- 5/8” thread adapter
- USB-A/Type-C cable for RGB power
3. Key Features
- Heavy-Duty Steel Construction: The BM38W features thickened reinforced steel for stability, supporting microphones up to 3.3 lbs (1.5KG) without wobbling or sagging.
- Controllable RGB Modes: Offers 9+ RGB lighting effects to enhance your desk setup. Short-press to switch modes/colors, long-press for 5 seconds to turn on/off.
- Universal Compatibility: Includes 3/8” thread screw and 5/8” adapter for compatibility with most microphones.
- Multi-Angle Adjustment: Features a 360° swivel base and a 180° flexible arm for precise microphone positioning.
- Tool-Free Setup: Designed for easy installation without drilling or additional tools. The silicone pad on the C-clamp protects your desk.
4. Setup Instructions
- Attach the C-Clamp: Securely fasten the C-clamp to your desk. Ensure the silicone pad is positioned to protect the desk surface. The clamp supports desks up to 2.1 inches thick.
- Insert the Boom Arm: Insert the base of the boom arm into the designated hole on the C-clamp. Hand-tighten the knob to secure it.
- Mount Your Microphone: Attach your microphone to the 3/8” thread screw on the boom arm. Use the included 5/8” adapter if your microphone requires it.
- Connect RGB Power: Connect the provided USB-A/Type-C cable from the boom arm to a USB port on your computer or a power adapter to activate the RGB lighting.

Figure 4.1: Illustration of the C-clamp installation on a desk.

Figure 4.2: Step-by-step guide for tool-free installation.

Figure 4.3: Microphone thread adapters for broad compatibility.
Setup Video Guides
Video 4.1: An honest review of the FIFINE microphone boom arm stand, including unboxing and setup demonstration.
Video 4.2: Demonstration of the boom arm's setup and its ability to hold various microphones securely.
5. Operating Instructions
5.1 RGB Lighting Control
The boom arm features integrated RGB lighting with multiple modes. To control the lighting:
- Change Modes/Colors: Short-press the RGB button located on the boom arm to cycle through the available lighting effects and colors.
- Turn On/Off: Long-press the RGB button for 5 seconds to turn the lighting on or off.

Figure 5.1: RGB lighting controls and effects.

Figure 5.2: Dynamic RGB lighting in action.
5.2 Adjustments and Positioning
The boom arm offers flexible positioning to suit your needs:
- 360° Swivel Base: The base allows for full rotation, enabling you to swing the arm into or out of position effortlessly.
- 180° Flexible Arm: The articulated arm sections can be adjusted 180 degrees to achieve your desired microphone height and distance.
- Foldable Design: When not in use, the arm can be folded flat against your desk to save space.

Figure 5.3: Multi-angle adjustment capabilities.

Figure 5.4: Foldable design for convenient storage.
5.3 Usage Scenarios
The FIFINE BM38W is ideal for various applications:
- Podcasting: Position your microphone perfectly for clear audio recording.
- Gaming: Keep your microphone out of the way while ensuring optimal voice pickup during gameplay.
- Streaming: Enhance your live streams with professional microphone placement and dynamic RGB lighting.
- Recording: Achieve precise microphone angles for studio-quality audio capture.
Video 5.1: Demonstration of the microphone stand's utility for streaming setups.
Video 5.2: Showcasing the boom arm's benefits for gaming and streaming.
Video 5.3: Highlighting the boom arm's versatility for content creators.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | FIFINE |
| Model Name | BM38W |
| Color | White |
| Material | Alloy Steel |
| Base Type | Clamp |
| Microphone Stand Thread Size | 3/8 inch, 5/8 Inch |
| Maximum Weight Recommendation | 3.3 Pounds (1.5 KG) |
| RGB Lighting Effects | 9+ modes (Static Single Color, Multicolored Flicker, Single-colored Flowing, Multi-colored Flowing, RGB Stacking, Multi-colored Breathing, Dual-channels Flowing, Multi-colored Gradient, Rainbow Flowing) |

Figure 6.1: Weight capacity of the boom arm.

Figure 6.2: RGB power connection and steel thickness.
7. Maintenance
- Cleaning: Wipe the boom arm with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive cleaners.
- Joints: Periodically check the tightness of all screws and joints. Tighten if necessary to maintain stability.
- Cable Management: Ensure the USB cable for RGB lighting is not excessively bent or strained, especially when adjusting the arm, to prevent damage.
8. Troubleshooting
- Boom Arm Sagging: Ensure your microphone's weight does not exceed the 3.3 lbs (1.5KG) capacity. Check that all adjustment knobs and the C-clamp are securely tightened.
- RGB Lights Not Working: Verify that the USB-A/Type-C cable is securely connected to both the boom arm and a powered USB port. Try a different USB port or power source. Long-press the RGB button for 5 seconds to ensure it is turned on.
- Difficulty Adjusting Arm: Loosen the adjustment knobs slightly before attempting to reposition the arm. Re-tighten once the desired position is achieved.
9. Warranty and Support
This FIFINE BM38W RGB Microphone Boom Arm comes with a one-year warranty from the date of purchase. For warranty claims, technical support, or any product-related inquiries, please contact FIFINE customer service through their official website or the retailer where the product was purchased. Please retain your proof of purchase for warranty validation.





