Introducció
This manual provides essential instructions for the safe and efficient operation of your Technical Pro STAGE28 Dual 8" Rechargeable LED Bluetooth Speaker. Please read this manual thoroughly before using the product and retain it for future reference.
Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- Technical Pro STAGE28 Speaker Unit
- Micròfon de mà sense fil
- Speaker Stand (Tripod)
- Charging Cable (DC5V)
- Manual d'instruccions (aquest document)
Configuració
1. Carregant l’altaveu
Before initial use, fully charge the speaker's built-in rechargeable battery. Connect the provided charging cable to the DC5V IN port on the rear panel of the speaker and to a suitable power source. The charging status indicator will show when the unit is charging.

Image: Rear control panel detail, highlighting the DC5V IN port.
2. Assembling the Speaker Stand
Unfold the tripod legs of the speaker stand. Adjust the height to your preference and secure it using the locking mechanism. Place the STAGE28 speaker securely onto the top pole of the stand.

Image: The included speaker tripod stand.
3. Microphone Preparation
Ensure the wireless handheld microphone has fresh batteries installed. The microphone can be stored in the dedicated compartment on the rear of the speaker when not in use.

Image: Microphone storage compartment on the speaker's rear.
Instruccions de funcionament
1. Encendre/apagar i control de volum
Gira el POTÈNCIA/VOLUM knob clockwise to turn the speaker on and increase the master volume. Rotate counter-clockwise to decrease volume and turn off the speaker.

Image: Full rear panel of the speaker with controls.
2. Emparellament Bluetooth
- Turn on the speaker. The display will show "BLUE" indicating Bluetooth mode.
- Enable Bluetooth on your audio device (smartphone, tablet, etc.).
- Cerca available devices and select "TPRO STAGE 28" de la llista.
- Once paired, the speaker will emit a confirmation tone.
- The Bluetooth range is approximately 30 feet (9 meters).
3. Funció estèreo sense fil veritable (TWS)
To connect two STAGE28 speakers for TWS stereo sound:
- Ensure both STAGE28 speakers are powered on and in Bluetooth mode.
- On one of the speakers (this will be the primary unit), press and hold the TWS button. The speaker will search for another STAGE28 unit.
- Once connected, both speakers will play audio in stereo from a single Bluetooth source.
4. Reproducció de targetes USB/TF
Insert a USB flash drive or TF (microSD) card (up to 64GB) containing .mp3 audio files into the respective USB or TF port. The speaker will automatically switch to USB/TF mode and begin playback. Use the Anterior/Següent botons per navegar per pistes.
5. Funcionament de la ràdio FM
Premeu el botó MODE / LLUM button to cycle through input modes until "FM" appears on the display. Press and hold the Reproduir/Pausa button to auto-scan and save available FM stations. Use the Anterior/Següent botons per canviar entre les emissores desades.
6. Entrada auxiliar
Connect an external audio device using a 1/8" (3.5mm) audio cable to the AUX input port. Press the MODE / LLUM botó per seleccionar el mode AUX.
7. Ús del micròfon
Plug the wireless microphone receiver (if applicable) or a wired microphone into the MIC IN 1/4" input. Adjust the microphone volume using the MIC VOL knob and add echo effect with the ECO perilla.
8. Llums LED
The speaker features LED lights on its woofers. Press the MODE / LLUM button briefly to toggle the LED lights on or off, or to change light modes.

Imatge: Frontal view of the speaker with LED lights active.
Manteniment
- Neteja: Feu servir un drap suau i sec per netejar l'exterior de l'altaveu. No utilitzeu productes de neteja abrasius ni dissolvents.
- Cura de la bateria: To prolong battery life, avoid fully discharging the battery frequently. Recharge the speaker regularly, even if not in use for extended periods. Store in a cool, dry place.
- Emmagatzematge: When storing the speaker, ensure it is turned off and disconnected from power. Keep it in a dry environment away from extreme temperatures.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| L'altaveu no s'encén. | Battery is discharged. Power/Volume knob is off. | Charge the speaker. Rotate the POWER/VOLUME knob clockwise to turn on. |
| No hi ha so de l'altaveu. | Volume is too low. Incorrect input mode selected. Audio source not playing. | Increase master volume. Ensure correct input mode (Bluetooth, USB, AUX, FM). Check audio source device. |
| El dispositiu Bluetooth no es pot emparellar. | Speaker not in Bluetooth mode. Device too far. Previously paired device connected. | Ensure speaker is in Bluetooth mode ("BLUE" on display). Move device closer (within 30 ft). Disconnect from other devices. |
| El micròfon no funciona. | Microphone not connected. MIC VOL knob is low. Microphone batteries are dead. | Ensure microphone is properly connected to MIC IN. Increase MIC VOL. Replace microphone batteries. |
Especificacions
| Model: | STAGE28 |
| Potència màxima: | 1000 watts |
| Woofers: | Dual 8" LED Woofers |
| Tweeter: | Piezo Horn Tweeter |
| Bateria: | Recarregable incorporat |
| Entrades: | Bluetooth, USB, TF Card, FM Radio, Aux (1/8"), Microphone (1/4") |
| USB/TF Card Max Size: | 64 GB |
| Àudio compatible Files: | .mp3 |
| Versió Bluetooth: | v2.0 with EDR |
| Rang Bluetooth: | 30 peus (9 metres) |
| Resposta de freqüència: | 50Hz-20kHz |
| Impedància: | 4 ohms |
| Sensibilitat: | 95 ±2dB (1W@1M) |
| Dimensions del producte (A x A x P): | 22" x 9.5" x 7.5" (55.9 cm x 24.1 cm x 19.1 cm) |
| Pes del producte: | 8.5 lliures (3.86 kg) |
| Font d'alimentació: | DC5V |
Garantia i Suport
For warranty information and technical support, please refer to the documentation provided at the point of purchase or contact the retailer/manufacturer directly. Keep your proof of purchase for warranty claims.





