1. Important Safety Information
Please read all instructions carefully before using the product and retain them for future reference.
- Do not expose the speaker to extreme temperatures, direct sunlight, or open flames.
- Do not immerse the speaker in water beyond its IPX8 rating. Ensure all port covers are securely closed before exposure to water.
- Use only the provided charging cable and a compatible power adapter (DC5V-2A).
- Keep out of reach of children.
- Avoid dropping or subjecting the speaker to strong impacts.
- Do not attempt to disassemble or repair the speaker yourself. This will void the warranty.
2. What's in the Box
Verify that all items are present upon unboxing:
- 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)
- Shoulder Strap (1 pc)
3. Product Overview
Familiarize yourself with the speaker's buttons, ports, and indicators.
3.1 Key Functions
- **Power Button**: Press and hold to power on/off. Short press to check battery status.
- **Play Mode / RGB Light Mode Button**: Short press to switch play modes (Bluetooth, Micro SD, AUX). Long press to cycle through RGB light modes (Rhythm mode, Breathing mode, Off).
- **Play / Pause / Call Answer Button**: Short press to play/pause music. Short press to answer/end a call. Long press to reject a call.
- **Next / Volume Up Button**: Short press for next track. Long press to increase volume.
- **Previous / Volume Down Button**: Short press for previous track. Long press to decrease volume.
3.2 Port Functions
- **Aux-in Jack**: For connecting external audio devices via 3.5mm audio cable.
- **Micro SD Card Slot**: For playing music directly from a Micro SD card (supports FAT32 format, up to 32GB).
- **USB Type-C Charging Port**: For charging the speaker using the provided Type-C cable.
- **Charging Indicator**: Shows charging status.
4. Initial Setup and Charging
4.1 Charging the Speaker
- Connect the provided Type-C charging cable to the speaker's USB Type-C charging port.
- Connect the other end of the cable to a compatible USB power adapter (DC5V-2A).
- The Charging Indicator will illuminate to show charging status.
- A full charge takes approximately 3.5 hours.
4.2 Powering On/Off
- **To Power On**: Press and hold the Power Button until you hear an audible prompt and the LED lights activate.
- **To Power Off**: Press and hold the Power Button until you hear an audible prompt and the LED lights turn off.
5. Operating Instructions
5.1 Bluetooth Connection
The mifa A90 uses Bluetooth 5.0 for fast and stable connections.
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing LED light).
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "mifa A90" from the list of devices.
- If prompted for a PIN, enter "0000".
- Once connected, the LED light will stop flashing, and you will hear a confirmation sound.
5.2 True Wireless Stereo (TWS) Function
Pair two mifa A90 speakers for an immersive stereo sound experience.
- Ensure both mifa A90 speakers are powered on and disconnected from any Bluetooth devices.
- On one speaker (this will be the primary speaker), long press the Play Mode / RGB Light Mode button until you hear a TWS pairing prompt.
- The two speakers will automatically search for and connect to each other. Once connected, you will hear a confirmation sound.
- Connect your device to the primary speaker via Bluetooth as described in section 5.1.
- Audio will now play in stereo across both speakers.
5.3 Dynamic LED Light Modes
The speaker features a 16.8 million pixel cool light ring with two display modes:
- **Rhythm Mode**: Lights synchronize with the music beat.
- **Breathing Mode**: Lights gently fade in and out.
To switch between light modes or turn them off, long press the Play Mode / RGB Light Mode button.
5.4 Hands-free Calling
With its built-in HD microphone, the mifa A90 allows for convenient hands-free calls when connected to your smartphone via Bluetooth.
- **Answer/End Call**: Short press the Play / Pause / Call Answer button.
- **Reject Call**: Long press the Play / Pause / Call Answer button.
5.5 Other Input Modes
The speaker supports multiple audio input options:
- **Micro SD Card**: Insert a FAT32 formatted Micro SD card (up to 32GB) with supported music files (APE, FLAC, WAV, WMA, MP3) into the Micro SD card slot. The speaker will automatically switch to Micro SD card playback.
- **AUX Input**: Connect an external audio device using the provided 3.5mm audio cable to the Aux-in jack. The speaker will automatically switch to AUX mode.
6. Care and Maintenance
6.1 Cleaning
Wipe the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
6.2 Waterproofing (IPX8)
The mifa A90 is IPX8 waterproof, meaning it can be submerged in water up to 1 meter for 30 minutes. For optimal protection, ensure the rubber flap covering the charging and AUX ports is securely closed before exposing the speaker to water.
6.3 Storage
Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Keeps cutting out when playing | Speaker out of range or obstacles blocking signal. | Ensure the speaker is within operating range (up to 10m) and there are no obstacles between the speaker and the device. |
| Not able to connect to your device | Pairing issue. | 1. Restart the speaker and try again. 2. If your device requires a PIN, enter '0000'. |
| Not able to play music from Micro SD card | Incorrect format or file type. | 1. Ensure the Micro SD card is formatted to FAT32. 2. Ensure music files are APE, FLAC, WAV, WMA, or MP3. |
| No sound when playing | Volume too low or paused. | 1. Adjust the speaker volume. 2. Adjust your device's volume. 3. Check if the speaker is paused. |
| No sound in AUX-in mode | Audio cable not connected properly. | Ensure the audio cable is securely connected to both the speaker and the external device. |
| Not able to turn on | Low battery. | Charge the speaker for approximately 3 hours. |
| No response to any operation | System freeze. | Reset the speaker by pressing the reset button located in the AUX-in jack. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand Name | mifa |
| Model | A90 |
| Bluetooth Version | 5.0 |
| Output Power | 60 W |
| Driver Unit | 2 x 66mm full frequency trumpet + 2 x 78mm radiator |
| Sound Mode | Stereo Sound Mode, Extra Bass Mode, Standard Mode, Other |
| Audio Crossover | Full-Range |
| Number of Loudspeaker Enclosure | 1 |
| Communication | AUX, Bluetooth |
| Input/Output | AUX |
| Codecs | sbc, AAC |
| Power Source | DC, Battery |
| Battery Capacity | Built-in 8000mAh lithium-ion battery |
| Charging Time | About 3.5 hours (DC5V-2A) |
| Playtime | Up to 30+ hours |
| Waterproof Rating | Yes (IPX8) |
| Built-in Microphone | Yes |
| Support Memory Card | Yes (Micro SD, FAT32, ≤32GB) |
| USB Type | USB2.0, compatible with USB1.1 |
| Supported Music Formats | MP3 (8Kbps-320Kbps), WMA (32Kbps-384Kbps), WAV (32Kbps-1414Kbps), APE, FLAC |
| Dimensions | 250.4 x 115.2 x 106.2 mm |
| Weight | 1.8 Kg |
| Cabinet Material | Plastic |
| Material | Metal |
| Certification | CE, FCC, RoHS |
9. User Tips
- For the best audio experience, especially with deep bass, ensure the speaker is placed on a stable surface.
- When using the TWS function, place the two speakers within close proximity for optimal stereo separation and connection stability.
- To maximize battery life, fully charge the speaker before its first use and avoid completely draining the battery regularly.
- If you experience any connectivity issues, try restarting both the speaker and your connected device.
- The speaker's dynamic LED lights can be customized or turned off to suit your preference or conserve battery.
10. Warranty and Support
The mifa A90 Bluetooth Speaker is designed for durability and performance. For any technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact mifa customer support through their official channels. Please retain your proof of purchase for warranty claims.
For further information, you may refer to the official user manual PDF: View User Manual (PDF)
11. Product Demonstration Video
Watch this video for a visual guide on the mifa A90 Bluetooth Speaker's features and usage.