1. Introduction
Thank you for choosing the mifa A90 Bluetooth Speaker. This powerful and versatile portable speaker is designed to deliver high-quality audio with dynamic lighting, making it perfect for any occasion, indoors or outdoors. Please read this manual carefully to ensure proper use and to maximize your enjoyment of the product.
Video: mifa A90 Bluetooth Speaker product demonstration.
2. Package Contents
Please check the box for the following items:
- mifa A90 Bluetooth Speaker (1 pc)
- Type-C Charging Cable (1 pc)
- 3.5mm Audio Cable (1 pc)
- User Manual (1 pc)
- Carrying Bag (1 pc)
- Carrying Strap (1 pc)

Image: Unboxing the mifa A90 Bluetooth Speaker and its accessories.
3. Product Overview
Familiarize yourself with the speaker's components and controls:

Image: Labeled diagram of the mifa A90 speaker's ports and buttons.
Controls and Ports:
- Aux-in Jack: For wired audio connection.
- Micro SD Card Slot: For playing music directly from a Micro SD card.
- USB Flash Drive Port: For playing music directly from a USB flash drive.
- Charging Indicator: Shows charging status.
- Power Button: Turns the speaker on/off.
- Play Mode/RGB Light Mode Button: Switches between playback modes and controls RGB lighting.
- Play/Pause/Call Answer Button: Controls music playback and answers/ends calls.
- Next/Volume Up Button: Skips to the next track or increases volume.
- Previous/Volume Down Button: Skips to the previous track or decreases volume.
4. Setup and Charging
4.1 Charging the Speaker
- Connect the provided Type-C charging cable to the speaker's charging port.
- Connect the other end of the cable to a DC5V-2A power adapter (not included).
- The Charging Indicator will illuminate to show charging status.
- A full charge takes approximately 3.5 hours.
The speaker features a built-in 8000mAh lithium-ion battery, providing up to 30 hours of playtime on a single charge.

Image: Speaker highlighting its portable design and long battery life.
5. Operating Instructions
5.1 Power On/Off
- To Power On: Press and hold the Power Button until the speaker powers on.
- To Power Off: Press and hold the Power Button until the speaker powers off.
5.2 Bluetooth Pairing
The mifa A90 uses Bluetooth 5.0 for fast and stable connections.
- Turn on the speaker. It will automatically enter Bluetooth pairing mode.
- On your mobile phone, computer, or MP3 player, enable Bluetooth and search for available devices.
- Select "mifa A90" from the list of devices.
- If prompted for a PIN, enter "0000".
- Once paired, the speaker will indicate a successful connection.
5.3 True Wireless Stereo (TWS) Pairing
For an immersive stereo sound experience, you can pair two mifa A90 speakers together.
- Ensure both mifa A90 speakers are powered on and not connected to any other Bluetooth device.
- On one speaker (this will be your primary speaker), press and hold the Play Mode/RGB Light Mode button until you hear a pairing tone.
- The two speakers will automatically connect to each other.
- Once TWS paired, connect your device to the primary speaker via Bluetooth as described in section 5.2.

Image: Dual Pairing Wireless Speakers for a surround sound experience.
5.4 Playback Modes (USB, Micro SD, AUX)
The speaker supports multiple input options:
- USB Flash Drive: Insert a USB flash drive into the USB port. The speaker will automatically switch to USB playback mode.
- Micro SD Card: Insert a Micro SD card (FAT32 format, up to 32GB) into the Micro SD card slot. The speaker will automatically switch to Micro SD playback mode.
- AUX Input: Connect an audio device using the provided 3.5mm audio cable to the Aux-in jack. The speaker will automatically switch to AUX mode.

Image: Speaker demonstrating various input methods.
5.5 Hands-Free Calling
With its built-in HD microphone, the mifa A90 allows for convenient hands-free calls when connected via Bluetooth to your smartphone.
- Answer/End Call: Press the Play/Pause/Call Answer button once.
- Reject Call: Press and hold the Play/Pause/Call Answer button.

Image: Speaker being used for a hands-free call.
5.6 Dynamic Light Modes
The mifa A90 features a 16.8 million pixel cool light ring with two display modes:
- Intelligent Mode: Lights rhythmically with the music.
- Breathing Mode: Lights display freely with a breathing effect.
Press the Play Mode/RGB Light Mode button to cycle through the available light modes.

Image: Speaker displaying dynamic light modes.
6. Maintenance
6.1 Waterproof Protection
The mifa A90 is IPX8 waterproof, meaning it is protected against immersion in water up to 1.5 meters for up to 30 minutes. This makes it suitable for use near swimming pools, beaches, and in rainy conditions. Ensure all port covers are securely closed before exposing the speaker to water.

Image: Speaker demonstrating IPX8 waterproof capability.
6.2 Cleaning and Storage
- Clean the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the speaker in a cool, dry place away from extreme temperatures and direct sunlight.
- If not used for a long period, charge the battery at least once every three months to prolong its lifespan.
7. Troubleshooting
If you encounter any issues with your mifa A90 speaker, please refer to the following solutions:
- Keeps cutting out when playing: Ensure the speaker is within the operating range of your device and there are no obstacles between them.
- Not able to connect to your device:
- Restart the speaker and try pairing again.
- If your device requires a PIN code, enter "0000".
- Not able to play music from Micro SD card:
- Ensure the Micro SD card is formatted to FAT32. Only FAT32 format is supported.
- Ensure the music files are in APE, FLAC, WAV, WMA, or MP3 format.
- No sound when playing:
- Adjust the volume on both the speaker and your connected device.
- Check if the speaker is paused.
- No sound in AUX-in mode: Ensure the 3.5mm audio cable is securely connected to both the speaker and the audio source.
- Not able to turn on: Try charging the speaker for approximately 3 hours. The battery might be completely depleted.
- No response to any operation: Reset the speaker by pressing the reset button located in the AUX-in jack.
8. Specifications
| Feature | Specification |
|---|---|
| Brand Name | mifa |
| Model | A90 |
| Speaker Type | Portable |
| Communication | AUX, USB, Bluetooth |
| Bluetooth Version | 5.0 |
| Output Power (PMPO) | 60 W |
| Input Power (W) | 50-99 W |
| Frequency Range | 20Hz-20KHz |
| Audio Crossover | Full-Range |
| Number of Loudspeaker Enclosure | 1 |
| Channels | 2 (2.0) |
| Battery | Yes (Built-in 8000 mAh lithium battery) |
| Power Source | DC, Battery |
| Waterproof Rating | IPX8 |
| Built-in Microphone | Yes |
| Support Memory Card | Yes (Micro SD, ≤32G, FAT32) |
| Playback Function | MP3, FLAC, APE, ALAC, WAV, WMA |
| Control | Volume control, Playback |
| Sound Mode | 3D Surround Sound Mode, Stereo Sound Mode, Standard Mode |
| Devices Connectable Simultaneously | 2 (via TWS) |
| Material | Metal, Plastic, Paper |
| Dimensions (L*W*H) | 250.4 * 115.2 * 106.2 mm |
| Weight | 1.8 Kg |
| Charging Time | Approx. 3.5 hours |
| Playing Time | Up to 30 hours |
| Certifications | CE, FCC, RoHS |
9. User Tips
- Optimal Bluetooth Connection: For the most stable Bluetooth connection, ensure there's a clear line of sight between your device and the speaker, and keep them within the recommended operating range.
- Micro SD Card Compatibility: Always format your Micro SD cards to FAT32 before use with the speaker to ensure proper recognition and playback.
- Troubleshooting Unresponsiveness: If the speaker becomes unresponsive, a quick reset by pressing the button in the AUX-in jack can often resolve the issue.
- Battery Care: To maximize battery life, avoid completely draining the battery frequently and store the speaker with some charge if not used for extended periods.
10. Warranty and Support
For warranty information and customer support, please refer to the official mifa website or contact your retailer. Keep your purchase receipt as proof of purchase for any warranty claims.





