1. Introduction
Thank you for purchasing the TENMIYA A66 Portable Bluetooth Speaker. This manual provides essential information for the proper setup, operation, and maintenance of your device. Please read it carefully before use and retain it for future reference.
2. Package Contents
Please check the box for the following items:
- 1 x TENMIYA A66 Bluetooth Speaker (with built-in 4000mAh rechargeable lithium battery)
- 1 x Remote Control (Note: AAA batteries not included)
- 1 x Aux Cable
- 1 x USB Charging Cable
- 1 x Shoulder Strap
- 1 x User Manual
3. Product Features
- Powerful Audio: 30W output with three speakers for strong stereo sound and deep bass.
- Wireless Connectivity: Bluetooth 4.2 for stable connection up to 10 meters (33 feet).
- Versatile Playback: Supports Bluetooth, AUX-in, USB flash drive, and TF/SD card playback.
- FM Radio: Built-in FM radio with automatic and manual tuning.
- Karaoke Function: Includes a microphone input for karaoke.
- Dynamic Lighting: Integrated colorful LED lights for an enhanced audio experience.
- Long Battery Life: 4000mAh rechargeable battery provides approximately 10 hours of playtime.
- Portable Design: Equipped with a convenient handle and a removable shoulder strap for easy transport.
- Remote Control: Full-function remote control for convenient operation.
- EQ Sound Effects: Multiple equalizer modes including Jazz, Rock, Classical, and Pop.

Image: The TENMIYA A66 speaker showcasing its Bluetooth 4.2 and AUX port connectivity, along with support for USB, FM Radio, Rechargeable battery, Remote control, PC/MAC, TF Card, MP3/4, and Mobile Phone connections.
4. Controls and Interfaces

Image: Detailed diagram illustrating the various controls and ports on the TENMIYA A66 speaker.
- Display Screen: Shows current mode, track information, and FM frequency.
- Record Button: Initiates recording (requires a connected microphone and storage).
- Mode Key: Switches between Bluetooth, FM Radio, AUX, USB, and TF card modes.
- Volume Adjustment: Rotary knob to adjust the master volume.
- Previous Song: Press to go to the previous track; long press for fast rewind.
- Pause/Play: Plays or pauses the current track. In FM mode, long press to auto-scan stations.
- Next Song: Press to go to the next track; long press for fast forward.
- USB Interface: For connecting USB flash drives for music playback.
- TF Card Slot: For inserting TF/SD cards for music playback.
- 3.5mm Microphone Socket: For connecting a wired microphone.
- 3.5mm Audio Cable Socket (AUX-in): For connecting external audio devices.
- Charging Port (DC 5V): For connecting the USB charging cable.
- 6.5mm Wired Microphone Socket: Additional microphone input.
- Microphone/Equalizer: Adjusts microphone volume or cycles through EQ presets.
5. Setup
5.1 Charging the Speaker
Before first use, fully charge the speaker. Connect the USB charging cable to the speaker's DC 5V charging port and the other end to a USB power adapter (not included) or a computer's USB port. The charging indicator light will turn off once the battery is fully charged.
5.2 Power On/Off
Locate the power switch on the speaker. Slide it to the 'ON' position to power on the speaker. Slide it to the 'OFF' position to power off.
5.3 Bluetooth Pairing
- Power on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing 'BLUE' on the display.
- Enable Bluetooth on your mobile device (smartphone, tablet, laptop).
- Search for available Bluetooth devices and select 'A66' from the list.
- Once paired, the speaker will emit a confirmation tone, and the 'BLUE' indicator will stop flashing.
- You can now play audio from your device through the speaker.
5.4 Wired Connection (AUX-in)
To connect an external audio device without Bluetooth:
- Connect one end of the 3.5mm AUX cable to the speaker's AUX-in socket.
- Connect the other end to the headphone jack or audio output of your external device.
- Press the 'Mode' key on the speaker until 'AUX' is displayed.
- Play audio from your external device.
5.5 USB/TF Card Playback
To play music from a USB flash drive or TF/SD card:
- Insert a USB flash drive into the USB interface or a TF/SD card into the TF card slot.
- The speaker will automatically switch to USB or TF card mode and begin playing music. If not, press the 'Mode' key to select the correct source.
6. Operating Instructions
6.1 FM Radio Operation
- Press the 'Mode' key to switch to FM radio mode. The display will show the FM frequency.
- Auto-Scan: Long press the 'Pause/Play' button to automatically scan and save available FM stations.
- Manual Tuning: Use the 'Previous Song' and 'Next Song' buttons to manually tune to specific frequencies or navigate through saved stations.

Image: The TENMIYA A66 speaker functioning as a portable FM radio with colorful lights, demonstrating its versatility.
6.2 Microphone and Karaoke Function
Connect a wired microphone to either the 3.5mm or 6.5mm microphone socket. Adjust the microphone volume using the dedicated control (if available) or the main volume knob. You can sing along to your music playing from any source.

Image: The TENMIYA A66 speaker enhancing a karaoke party experience, highlighting its Jazz, Rock, Classical, and Pop sound effects.
6.3 EQ Sound Effects
The speaker features various equalizer presets. Use the 'Microphone/Equalizer' button to cycle through different sound effects such as Jazz, Rock, Classical, and Pop to match your audio preference.
6.4 Remote Control
The included remote control allows you to manage all speaker functions from a distance. Insert two AAA batteries (not included) into the remote before use. Functions include power, mode selection, volume control, track navigation, FM tuning, and EQ settings.
6.5 LED Lights
The speaker features colorful LED lights that synchronize with the music. These lights can be turned on or off, or their mode changed, using the remote control or a dedicated button on the speaker (if available).

Image: The TENMIYA A66 speaker, a portable boombox with colorful lights, being enjoyed by people outdoors, highlighting its suitability for parties and outdoor use.
7. Maintenance
- Keep the speaker away from water, moisture, and direct sunlight.
- Do not expose the speaker to extreme temperatures.
- Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Avoid dropping or subjecting the speaker to strong impacts.
- When not in use for extended periods, store the speaker in a cool, dry place and charge it periodically to maintain battery health.
8. Troubleshooting
- No Power: Ensure the speaker is charged. Check the power switch is in the 'ON' position.
- No Sound: Check the volume level on both the speaker and your connected device. Ensure the correct mode (Bluetooth, AUX, USB, TF) is selected.
- Bluetooth Pairing Issues: Make sure the speaker is in pairing mode. Disable and re-enable Bluetooth on your device. Move your device closer to the speaker.
- FM Radio Reception: Extend the antenna (if applicable) or reposition the speaker for better signal. Perform an auto-scan for stations.
- Remote Control Not Working: Ensure batteries are correctly inserted and not depleted. Point the remote directly at the speaker's sensor.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | A66 |
| Output Power | 30 Watts (20W + 5W*2) |
| Speaker Driver Size | 4 inches + 2.5 inches*2 |
| Frequency Response | 60Hz-20KHz |
| Input Impedance | 10 kΩ |
| DC Voltage Input | 5V-1A |
| Product Dimensions (L x W x H) | 35 cm x 21 cm x 16 cm |
| Item Weight | 1.76 Kilograms |
| Playtime | Approx. 10 hours |
| Battery Capacity | 4000 mAh |
| Bluetooth Version | 4.2 |
| Wireless Range | Up to 10 meters (33 feet) |
| Connectivity Technology | Bluetooth, AUX, USB |
| Compatible Devices | Smartphone, Tablet, Laptop, PC, MP3, MP4 |
| Special Feature | Portable, FM Radio, Karaoke, LED Lights |

Image: The TENMIYA A66 speaker in an outdoor setting, emphasizing its 4000mAh battery capacity and approximately 10 hours of playtime.
10. Warranty and Support
The TENMIYA A66 speaker comes with a limited warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support or service inquiries, please contact your retailer or the TENMIYA customer service department through their official channels.





