Introduction
Thank you for choosing the TAMPROAD A33 Portable Bluetooth Speaker. This manual provides detailed instructions for the safe and efficient operation of your device. Please read this manual thoroughly before use and retain it for future reference.
Product Overview
Key Features
- 60W Output Power: Equipped with one subwoofer and two tweeter drivers for powerful stereo sound and enhanced bass.
- Bluetooth 5.0 Connectivity: Ensures fast and stable wireless connection up to 100 feet.
- Dynamic LED Light Show: Features over 10 lighting effects that synchronize with music rhythm.
- Long Battery Life: Integrated 8000mAh battery provides extended playtime (6-24 hours depending on volume and content).
- Multiple Playback Modes: Supports Bluetooth, FM Radio, USB flash drive, TF card, and 3.5mm AUX input.
- Karaoke Functionality: Includes a microphone slot for karaoke and PA system use (microphone not included).
- Remote Control: Full-function remote for convenient operation, including volume adjustment and EQ mode selection.
- 6 EQ Modes: Customize audio output for various music genres (Pop, Rock, Jazz, Classical, Country, Normal).

Image: An internal view of the TAMPROAD A33 speaker, highlighting the woofer and dual tweeters for sound output.

Image: The TAMPROAD A33 speaker displaying its dimensions and labeling various input ports such as AUX, MicroSD, USB, and microphone sockets.
Package Contents
Verify that all items are present in the package:
- 1 x TAMPROAD A33 Bluetooth Speaker
- 1 x USB Charging Cable
- 1 x 3.5mm AUX Audio Cable
- 1 x Remote Control
- 1 x Stand Holder
- 1 x User Manual

Image: The TAMPROAD A33 speaker shown with its included accessories: USB charging cable, 3.5mm AUX audio cable, remote control, stand holder, and user manual.
Setup
Charging the Speaker
- Connect the provided USB charging cable to the speaker's charging port.
- Plug the other end of the USB cable into a compatible USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate. A full charge typically takes 3-5 hours.
- Once fully charged, the indicator light may change or turn off, depending on the model. Disconnect the charging cable.
Note: The speaker contains 4 Lithium Ion batteries. Ensure proper charging to maintain battery health.
Powering On/Off
- To power on, press and hold the Power button located on the control panel until the display illuminates.
- To power off, press and hold the Power button again until the display turns off.
Operating Instructions
Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode. The display will show "BLUE" or a Bluetooth icon, and you may hear an audible prompt. If not, press the "MODE" button on the speaker or "BT" button on the remote to switch to Bluetooth mode.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "A33" from the list of found devices.
- Once paired, the speaker will indicate a successful connection, and you can begin playing audio from your device.

Image: The TAMPROAD A33 speaker demonstrating Bluetooth connectivity with a smartphone and showing the remote control for operation.
FM Radio Operation
- Press the "MODE" button on the speaker or "FM" button on the remote to switch to FM Radio mode.
- To automatically scan and save available stations, press and hold the Play/Pause button. The speaker will scan and store stations.
- Use the Previous/Next track buttons to navigate between saved FM stations.
- For manual tuning, short press the Play/Pause button to pause scanning, then use the Previous/Next buttons to fine-tune the frequency.
Tip: Extend the antenna (if available) for better reception. Radio sound quality may vary at maximum volume; adjust for optimal listening.
USB/TF Card Playback
- Insert a USB flash drive or TF (MicroSD) card into the corresponding port on the speaker.
- The speaker will automatically detect the storage device and begin playing audio files. If not, press the "MODE" button to cycle through input sources until USB or TF mode is selected.
- Use the Play/Pause, Previous, and Next buttons on the speaker or remote to control playback.
AUX Input
- Connect one end of the 3.5mm AUX audio cable to the speaker's AUX input port.
- Connect the other end to the audio output jack of your external device (e.g., MP3 player, computer, TV).
- Press the "MODE" button on the speaker or "AUX" button on the remote to switch to AUX mode.
- Control playback and volume from your connected device or the speaker's master volume.
Karaoke Function
- Connect a microphone (not included) to the microphone input jack on the speaker.
- Adjust the microphone volume using the "MIC.VOL" knob.
- Adjust the microphone echo effect using the "ECHO/MIC" knob.
- Play music through any input source (Bluetooth, USB, AUX) and sing along.
Equalizer (EQ) Modes
The speaker offers 6 preset EQ modes to optimize sound for different music genres:
- Pop Music
- Rock Music
- Jazz Music
- Classical Music
- Country Music
- Normal Music
Press the "EQ" button on the remote control to cycle through these modes.
LED Light Effects
The speaker features dynamic LED lights that can be controlled:
- Press the dedicated light button (often labeled with a light bulb icon) on the speaker or remote to cycle through different light patterns or turn them off.
- The lights are designed to beat with the rhythm of the music.

Image: The TAMPROAD A33 speaker showcasing different customizable lighting effects, illustrating the variety of colors and patterns available.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Do not use abrasive cleaners or solvents.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the speaker frequently. Charge it regularly, even if not in use for extended periods.
- Water Resistance: This speaker is not water resistant. Avoid exposure to water or high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/Speaker does not turn on. | Low battery; Power button not pressed correctly. | Charge the speaker fully. Press and hold the Power button for a few seconds. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; Bluetooth disabled on device; Device too far. | Ensure speaker is in Bluetooth mode. Enable Bluetooth on your device. Move device closer to speaker (within 100 feet). Forget "A33" on your device and re-pair. |
| No sound or low volume. | Volume too low on speaker or connected device; Incorrect input mode. | Increase volume on both speaker and connected device. Ensure correct input mode (Bluetooth, AUX, USB, TF). |
| FM radio reception is poor. | Weak signal; Antenna not extended. | Relocate the speaker to an area with better signal. Extend the antenna fully. |
| Speaker settings reset after power off. | This model may not retain certain settings (e.g., EQ, reverb) after being powered off. | Re-apply desired settings (like EQ or microphone echo) after each power cycle if they are not retained. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | A33 |
| Speaker Type | 1 Subwoofer + 2 Tweeters |
| Speaker Maximum Output Power | 80 Watts (Peak) |
| Connectivity Technology | Bluetooth 5.0 |
| Bluetooth Range | Up to 100 feet (30 meters) |
| Battery Capacity | 8000mAh (4 Lithium Ion batteries included) |
| Playtime | 6-24 hours (depending on volume) |
| Charging Time | 3-5 hours |
| Product Dimensions | 7.1"D x 6.7"W x 10.23"H |
| Item Weight | 6.16 pounds (2.8 Kilograms) |
| Impedance | 4 Ohm |
| Water Resistance Level | Not Water Resistant |
| Control Method | Remote Control |
| Special Features | USB Port, FM Radio, EQ Modes, LED Lights, Microphone Input |
Warranty and Support
TAMPROAD provides a 12-month warranty for this product. If you encounter any issues or have questions regarding the TAMPROAD A33 Portable Bluetooth Speaker, please contact our customer service for assistance.
For support, please refer to the contact information provided with your purchase or visit the official TAMPROAD website.