1. Introducció
Gràcies per la compraasing the Media-Tech Boombox BT MT 3145. This portable stereo speaker system combines Bluetooth connectivity, an integrated subwoofer, an MP3 player, and an FM radio into a compact, wooden cabinet design. It is designed for versatile audio playback, suitable for home, office, or outdoor use. This manual provides essential information for the safe and efficient operation of your device.
2. Informació de seguretat
Please read these safety instructions carefully before using the device and keep them for future reference. Incorrect use may result in electric shock, fire, or damage to the device.
- No exposeu el dispositiu a la pluja, la humitat ni a temperatures extremes.
- Avoid placing the device near heat sources such as radiators, stoves, or other heat-producing appliances.
- No obstruïu cap obertura de ventilació.
- Utilitzeu només accessoris/accessoris especificats pel fabricant.
- Disconnect the device from the power source during lightning storms or when unused for long periods.
- No intenteu reparar el dispositiu vosaltres mateixos. Envieu totes les tasques de manteniment a personal de servei qualificat.
3. Producte acabatview
The Media-Tech Boombox BT MT 3145 features a compact design with a handle for portability. It includes a main control panel, various input ports, and a built-in subwoofer for enhanced bass.

Imatge: Frontal i lateral view of the Media-Tech Boombox BT MT 3145, showing the main speaker, control panel, and side subwoofer.
Controls i ports:
- MODE/⑁ Button: Power On/Off and mode selection (Bluetooth, FM, USB, MicroSD, AUX).
- Pom de volum: Ajusta el volum mestre.
- ◀◀ / ▶▶ Buttons: Skip tracks (MP3), tune radio stations (FM).
- ▶II Button: Play/Pause (MP3), Auto-scan (FM).
- Ranura TF: Per a targetes de memòria MicroSD.
- Port USB: Per a unitats flaix USB.
- Entrada AUX: Presa de 3.5 mm per a dispositius d'àudio externs.
- Port DC 5V: Entrada d'alimentació per a la càrrega i el funcionament.
- Antena telescòpica: Per a la recepció de ràdio FM.

Imatge: Frontal view of the Boombox, highlighting the control panel with the mode/power button, volume knob, and playback controls.
Comandament a distància:
The device comes with a remote control for convenient operation from a distance.

Image: The remote control for the Media-Tech Boombox, showing buttons for power, mode, channel/track selection, equalizer, and numeric input.
4. Configuració
4.1 Desembalatge
Carefully remove the Boombox from its packaging. Ensure all components are present: the Boombox unit, remote control, and charging cable.
4.2 Càrrega de la bateria
The Boombox has a built-in Li-ion battery. Before first use, fully charge the device.
- Connect the provided USB charging cable to the DC 5V port on the Boombox.
- Connect the other end of the USB cable to a standard 5V USB power adapter (not included) or a computer USB port.
- The LED display will indicate charging status. Once fully charged, the indicator will change or turn off.
A full charge provides approximately 6 hours of operation, depending on volume level and usage mode.
5. Instruccions de funcionament
5.1 Encès/Apagat
Manteniu premut el botó MODE/⑁ button on the control panel or the power button on the remote control to turn the device on or off.
5.2 Selecció del mode
Premeu el botó MODE/⑁ button repeatedly to cycle through the available modes: Bluetooth, FM Radio, USB, MicroSD, and AUX.
5.3 Mode Bluetooth
- Switch the Boombox to Bluetooth mode. The LED display will show 'BT' and a pairing indicator will flash.
- Activeu el Bluetooth al vostre telèfon intel·ligent, tauleta o altre dispositiu compatible amb Bluetooth.
- Cerca available devices and select 'MT3145' from the list.
- Once paired, the Boombox will emit a confirmation sound, and the Bluetooth indicator will stop flashing.
- You can now play audio wirelessly from your connected device. Use the playback controls on the Boombox or remote to manage your music.
5.4 Mode de ràdio FM
- Switch the Boombox to FM Radio mode.
- Esteneu completament l'antena telescòpica per a una recepció òptima.
- Manteniu premut el botó ▶II button to initiate an automatic station search. The radio will scan and save available stations (87.6-108MHz).
- Utilitza el ◀◀ i ▶▶ botons per navegar per les emissores desades.

Image: The Boombox with its telescopic antenna extended, ready for FM radio reception.
5.5 MP3 Player Mode (USB/MicroSD)
- Insert a USB flash drive into the USB port or a MicroSD card into the TF slot.
- Switch the Boombox to USB or MicroSD mode. The device will automatically detect and begin playing MP3 files.
- Utilitza el ◀◀, ▶▶, i ▶II buttons to control playback (previous/next track, play/pause).
5.6 Mode AUX
- Connect an external audio device (e.g., smartphone, MP3 player) to the AUX input using a 3.5mm audio cable (not included).
- Switch the Boombox to AUX mode.
- Audio will now be played through the Boombox. Control playback from your external device.
5.7 Control de volum
Rotate the volume knob on the control panel to adjust the master volume. Volume can also be adjusted using the remote control.
6. Manteniment
6.1 Neteja
Wipe the exterior of the Boombox with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish.
6.2 Cura de la bateria
To prolong battery life, avoid fully discharging the battery frequently. Recharge the device when the battery level is low. If storing the device for an extended period, charge it to approximately 50% every few months.
6.3 Emmagatzematge
Store the Boombox in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
7. Solució De Problemes
If you encounter issues with your Boombox, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén. | La bateria està descarregada. | Connect the device to a power source and charge the battery. |
| Sense so. | El volum és massa baix o silenciat. S'ha seleccionat un mode incorrecte. | Increase the volume. Ensure the correct input mode (Bluetooth, FM, USB, MicroSD, AUX) is selected. |
| L'aparellament de Bluetooth falla. | Device is not in pairing mode. Boombox is already connected to another device. | Ensure the Boombox is in Bluetooth pairing mode. Disconnect from any previously paired devices. Move devices closer together. |
| Mala recepció de ràdio FM. | Antena no estesa. Senyal feble. | Fully extend the telescopic antenna. Try repositioning the device for better signal. |
| USB/MicroSD not playing. | Sense suport file format. Suports corruptes. | Assegureu-vos files are in MP3 format. Try a different USB drive or MicroSD card. |
8. Especificacions
- Model: MT3145
- Versió Bluetooth: 2.1 + EDR
- Protocols Bluetooth: A2DP, AVRCP
- Freqüència de ràdio FM: 87.6-108 MHz
- Reproducció d'àudio: MP3 Player, MicroSD, USB, AUX
- Potència de sortida: 15 W RMS
- Ponents: 3" Subwoofer, 2 x 2" High-Tone Speakers
- Resposta de freqüència: 80 ~ 20,000 Hz
- Entrada d'alimentació: DC 5V (via USB port)
- Bateria: Built-in Li-ion, up to 6 hours operation
- Visualització: LED Information Display
- Antena: Telescòpic
- Material de l'armari: Fusta
- Dimensions: 120 x 195 x 165 mm
- Pes: 1.24 kg
9. Garantia i Suport
9.1 Garantia
This Media-Tech Boombox BT MT 3145 comes with a 2 any de garantia des de la data de compra. Aquesta garantia cobreix els defectes de fabricació en condicions d'ús normal. No cobreix els danys causats per un mal ús, accidents, modificacions no autoritzades o desgast normal.
9.2 Atenció al client
For technical assistance, warranty claims, or further inquiries, please contact your retailer or the Media-Tech customer support service. Refer to the product packaging or the Media-Tech official weblloc per obtenir informació de contacte.