Introducció
Gràcies per la compraasing the WIITHINK Portable CD Player Boombox WTB-791. This manual provides essential information for the safe and efficient operation of your new device. Please read it thoroughly before use and retain it for future reference.
Què hi ha a la caixa
En desempaquetar, assegureu-vos que tots els elements que s'enumeren a continuació hi siguin presents i estiguin en bon estat:
- 1 x WTB-791 Portable CD Radio Boombox (Batteries Not Included)
- 1 comandament a distància (piles no incloses)
- 1 x cable d'alimentació
- 1 x línia AUX
- 1 x Manual d'usuari
- 1 x Caixa d'embalatge

Figura 1: Contingut del paquet. The image displays the WIITHINK WTB-791 Portable CD Radio Boombox, its remote control, power cable, AUX cable, and user manual, all neatly arranged as they would appear upon unboxing.
Configuració
1. Alimentació del dispositiu
The WTB-791 Boombox can be powered by either AC power or batteries.
- Alimentació CA: Connect the provided power cable to the AC IN jack located at the back of the unit and then plug it into a standard wall outlet (100-240V~).
- Potència de la bateria: For portable use, open the battery compartment on the bottom of the unit. Insert 4 x UM2-C 1.5V batteries (not included), ensuring correct polarity. Close the battery compartment securely.

Figure 2: Power Options. This image illustrates the rear of the boombox, highlighting the AC IN jack for power cable connection and the battery bay for portable operation with 4 C-size batteries.
2. Configuració del control remot
The remote control requires 2 x AAA batteries (not included). Open the battery compartment on the back of the remote, insert the batteries with correct polarity, and close the cover.
3. Antenna for FM Radio
For optimal FM radio reception, extend the telescopic antenna located at the back of the unit. Adjust its position for the best signal.
Instruccions de funcionament
1. Controls bàsics
- Encès/apagat: Premeu el botó PODER botó de la unitat o del comandament a distància.
- Control de volum: Gira el VOLUM el botó de la unitat o utilitzeu el VOL+/- botons del comandament a distància.
- Selecció del mode: Premeu el botó MODE button on the unit or remote to switch between CD, FM Radio, Bluetooth, USB, and AUX modes.
- Modes d'equalització: Premeu el botó EQ/DIVERSIÓ button on the unit or the EQ buttons on the remote to cycle through ROCK, POP, FLAT, CLASS, and JAZZ sound modes.

Figure 3: Unit Controls. Aquesta imatge ofereix una visió generalview of the boombox's top panel, detailing the location of the power, volume, mode, and EQ buttons, along with the remote control for convenient operation.
2. Funcionament del reproductor de CD
The top-loading CD player is compatible with CD, CD-R/RW, MP3 CDs, and audiobook CDs.
- Obriu la tapa del compartiment del CD aixecant-la suaument.
- Col·loqueu un CD amb l'etiqueta cap amunt a l'eix.
- Tanqueu la coberta del compartiment del CD.
- Canvia a CD mode utilitzant el MODE button. The display will show "CD" and begin reading the disc.
- Utilitza el REPRODUCCIÓ/PAUSA, STOP, SALTAR/CERCAR (endavant/enrere), i REPETIR botons de la unitat o del comandament a distància per controlar la reproducció.
- El PROG button allows you to program a custom playback order for tracks.

Figure 4: CD Player. This image shows the top-loading CD player with its cover open and a disc placed inside, ready for playback.
3. Funcionament de la ràdio FM
Enjoy FM radio with digital tuning and up to 30 station presets.
- Esteneu l'antena telescòpica per a una millor recepció.
- Canvia a Ràdio FM mode utilitzant el MODE button. The display will show the current frequency.
- Escaneig automàtic: Manteniu premut el botó ESCANEAR button (often combined with Play/Pause or Repeat) to automatically scan and save available stations. The unit can store up to 30 stations.
- Sintonització manual: Utilitza el TUNING el botó de la unitat o del CH +/- buttons on the remote to manually tune to a specific frequency.
- Recuperació de presets: Utilitza el PROG button on the remote to cycle through saved preset stations.
4. Connectivitat Bluetooth
Wirelessly stream music from your Bluetooth-enabled devices.
- Canvia a Bluetooth mode utilitzant el MODE button. The display will show "BT" and flash, indicating it's ready for pairing.
- On your mobile device, enable Bluetooth and search for "WTB-791" in the list of available devices.
- Select "WTB-791" to pair. Once connected, the "BT" indicator will stop flashing, and you can start playing music from your device.

Figure 5: Bluetooth Connection. This diagram illustrates how the boombox can connect wirelessly to various Bluetooth-enabled devices, expanding your audio playback options.
5. Reproducció USB
Reprodueix àudio MP3/WMA files directly from a USB flash drive (up to 128GB, FAT32 format only).
- Insert your USB flash drive into the USB port on the front of the unit.
- Canvia a USB mode utilitzant el MODE button. The unit will automatically detect and play compatible audio files.
- Use the playback controls (Play/Pause, Skip/Search) to navigate your music.
6. Entrada AUX
Connect external audio devices using the 3.5mm AUX cable.
- Connect one end of the provided AUX cable to the AUX IN jack on the front of the boombox.
- Connecteu l'altre extrem a la presa d'auriculars o a la sortida d'àudio del dispositiu extern.
- Canvia a AUX mode utilitzant el MODE botó.
- Controla la reproducció i el volum des del teu dispositiu extern.
7. Presa d’auriculars
For private listening, plug any standard 3.5mm headphones into the AURICULAR jack on the front of the unit. The speakers will automatically mute.
Manteniment
- Neteja: Feu servir un drap suau i sec per netejar l'exterior de la unitat. No utilitzeu productes de neteja abrasius ni dissolvents.
- Cura de CD: Handle CDs by their edges. Clean discs with a soft, lint-free cloth, wiping from the center outwards.
- Emmagatzematge: When not in use for extended periods, remove batteries and store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Cable d'alimentació no connectat; piles esgotades o inserides incorrectament. | Ensure power cable is securely connected to unit and outlet. Replace batteries or check polarity. |
| El CD no es reprodueix / error "NO DISC" | CD inserted incorrectly; Disc is dirty or scratched; Incompatible disc format. | Insert CD with label side up. Clean or replace disc. Ensure disc is compatible (CD, CD-R/RW, MP3 CD). |
| Mala recepció de ràdio FM | Antena no estesa o posicionada correctament; Zona amb senyal feble. | Esteneu i ajusteu completament l'antena telescòpica. Intenteu moure la unitat a una altra ubicació. |
| Bluetooth no connectat | Device not in pairing mode; "WTB-791" not selected; Device too far. | Ensure boombox is in Bluetooth mode and flashing. Select "WTB-791" on your device. Keep devices within 10 meters. |
| No es reprodueix l'USB | Unitat USB no inserida correctament; Incompatible file format; USB drive not FAT32. | Ensure USB is fully inserted. Check if files are MP3/WMA. Format USB drive to FAT32 if necessary. |
Especificacions
| Característica | Detall |
|---|---|
| Número de model | WTB-791 |
| Dimensions del producte (L x A x A) | 7 x 10 x 5 polzades |
| Pes de l'article | 3.91 lliures |
| Tecnologia de connectivitat | Auxiliar, Bluetooth, USB |
| Tipus d'altaveu | Integrat |
| Potència de sortida | 2 x RMS de 2W |
| Freqüència de ràdio FM | 87.5-108 Mhz |
| Suport USB | MP3/WMA, up to 128GB (FAT32 format only) |
| Font d'alimentació | AC 100-240V~ / 4 x C batteries (not included) |
Garantia i Suport
WIITHINK is committed to customer satisfaction. Your WTB-791 Portable CD Player Boombox comes with the following support:
- 18-Month Replacement: For missing parts or defective products.
- Suport tècnic de tota la vida: Assistance with product usage and issues.
- 7/24 Amazon Buyer-Seller Messaging: For any inquiries or support needs.
For further assistance, please contact WIITHINK Direct through your Amazon Orders page.
Producte oficial acabatview Vídeo
Video 1: CD Radio Portable CD Player Boombox with Bluetooth. This official video from WIITHINK Direct provides a concise overview of the boombox's key features and functionalities, including CD playback, radio, and Bluetooth connectivity.