1. Introduction
This manual provides detailed instructions for the operation and maintenance of your FIFINE AmpliSing E2 Wireless Bluetooth Karaoke Microphone. Please read this manual thoroughly before using the product to ensure proper function and to maximize your user experience.

Image 1.1: FIFINE AmpliSing E2 Wireless Bluetooth Karaoke Microphone.
2. What's in the Box
Verify that all items are present in the package:
- Karaoke Microphone with Built-In Speaker (1 unit)
- USB C to USB Charging Cable (1 unit)
- USB C to 3.5mm Audio Cable (1 unit)
- User’s Manual (1 unit)
3. Product Features
- Clear Loud Sound: Equipped with a built-in speaker and supercardioid pick-up pattern for bright, clean sound, even outdoors.
- Multiple Sound Effects: Features 5 voice changing options: female, male, baby, magic voice, and original voice.
- Controllable RGB Lighting: Four RGB modes (colorful lighting, single-color changing, dynamic gradient, light off) with more than seven colors.
- Long Playing Time: Built-in high-capacity rechargeable battery provides over 5 hours of continuous use.
- Bluetooth/Aux-In Connection: Stable Bluetooth 5.2 for wireless pairing and a 3.5mm Aux-in for wired connections. Offers a 32.8-foot wireless working range.
- Dual Sing Function: Supports interconnection of two microphones for duet performances.
- Original Sound Removal: Allows for removal of original vocals from tracks for karaoke.

Image 3.1: The microphone offers 5 distinct voice changing effects.

Image 3.2: Controllable RGB lighting enhances the karaoke experience.
4. Setup
4.1 Charging the Microphone
Before first use, fully charge the microphone using the provided USB C to USB Charging Cable. Connect the USB-C end to the microphone's charging port and the USB-A end to a compatible USB power adapter (not included) or computer USB port.

Image 4.1: The microphone features a long-lasting rechargeable battery.
4.2 Bluetooth Connection
- Power on the microphone by pressing and holding the power button.
- Enable Bluetooth on your device (smartphone, tablet, laptop).
- Search for "Fifine E2" in the list of available Bluetooth devices and select it to pair.
- A voice prompt will confirm successful connection.

Image 4.2: Instant pairing with devices via Bluetooth 5.2.
4.3 Aux-In Connection
For wired connection, use the provided USB C to 3.5mm Audio Cable. Connect the USB-C end to the microphone and the 3.5mm jack to your device's audio output port.

Image 4.3: The microphone supports both Bluetooth and Aux-In connections.
5. Operating Instructions
5.1 Controls Overview

Image 5.1: Overview of microphone controls.
- Power Button: Press and hold to power on/off.
- Volume Up/Down: Adjusts microphone and speaker volume.
- Mode Button (M): Switches between connection modes (Bluetooth/Aux-in) and RGB lighting modes.
- Sound Effect Button: Cycles through voice changing effects.
5.2 Adjusting Volume
Use the Volume Up (^) and Volume Down (v) buttons to control the output volume of the microphone and the integrated speaker.
5.3 Changing Voice Effects
Press the Sound Effect button to cycle through the 5 available voice changing effects: Original Voice, Female Voice, Male Voice, Baby Voice, and Magic Voice.
Video 5.1: Demonstration of voice changing effects and other features of the FIFINE AmpliSing E2 microphone.
5.4 Controlling RGB Lights
Press the Mode button (M) to cycle through the four RGB lighting modes: Colorful Lighting, Single-Color Changing, Dynamic RGB Gradient, and Light Off.
5.5 Dual Microphone Interconnection
Two FIFINE AmpliSing E2 microphones can be interconnected for duet performances. Refer to the video demonstration for detailed steps on how to link two microphones.
5.6 Original Sound Removal
The microphone features an original sound removal function, allowing you to reduce or eliminate vocals from a playing track, making it suitable for karaoke. This function is typically activated via a specific button press or mode selection, as shown in the product video.
6. Maintenance
- Cleaning: Wipe the microphone with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the microphone in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the microphone regularly, even if not in use for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Microphone does not power on. | Low battery. | Charge the microphone using the provided USB-C cable. |
| Cannot connect via Bluetooth. | Bluetooth not enabled on device; microphone not in pairing mode; interference. | Ensure Bluetooth is on. Restart microphone and device. Move closer to the device. |
| Low or distorted sound. | Volume too low; microphone too far from mouth; poor connection. | Adjust volume. Speak closer to the microphone. Re-establish connection. |
| Echo in voice. | Environmental acoustics; specific voice effect setting. | Adjust microphone position. Cycle through voice effects to ensure desired setting. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | FIFINE |
| Model Name | Karaoke Microphone (E2) |
| Connectivity Technology | Auxiliary, Bluetooth 5.2 |
| Microphone Form Factor | Handheld |
| Polar Pattern | Super Cardioid |
| Power Source | Battery Powered, Corded Electric (USB-C) |
| Battery Type | 1 Lithium Polymer (included) |
| Item Weight | 270 Grams (9.5 ounces) |
| Material | ABS Plastic |
| Color | Blue |
| Compatible Devices | Personal Computer, Smartphone, Tablet |
| Special Features | Dual Sing, Magic Voice Changing, RGB Lighting, Volume Control, Original Sound Removal |
| Frequency Response | 10 KHz |
9. Warranty and Support
For warranty information and technical support, please refer to the official FIFINE website or contact their customer service directly. Details are typically provided on the product packaging or the manufacturer's website.





