1. Introducción
Thank you for choosing the SDRD SD-306 Karaoke Machine. This portable all-in-one system combines a high-quality Bluetooth speaker with a dual wireless microphone setup, designed to provide an engaging and fun karaoke experience for all ages. Its compact design and rechargeable battery make it ideal for use at home, parties, or on the go. Please read this manual carefully before use to ensure proper operation and to maximize your enjoyment of the product.
2. Características del producto
- Sistema de karaoke todo en uno: Combines a high-quality portable Bluetooth speaker with a built-in karaoke system.
- Micrófonos inalámbricos duales: Includes two wireless microphones for duets, featuring clear sound and effective noise reduction.
- Conectividad Bluetooth perfecta: Ensures fast pairing and stable connections with Bluetooth-enabled devices.
- Dynamic Sound with Powerful Bass: Delivers high-fidelity sound with deep bass and balanced treble.
- Controles fáciles de usar: Intuitive buttons for volume, track navigation, and echo adjustment.
- Portátil y recargable: Lightweight design with a built-in rechargeable battery for extended use.
- Multi-Function Compatibility: Works as a standalone Bluetooth speaker and supports AUX, USB, and TF card inputs.
3. Contenido del paquete
- SDRD SD-306 Karaoke Machine (Main Unit)
- 2 x micrófonos inalámbricos
- Cable de carga USB
- Manual de usuario (este documento)

Image: The SDRD SD-306 Karaoke Machine with its two wireless microphones docked in the main unit.
4. Configuración
4.1 Carga de la unidad
Before first use, fully charge the SDRD SD-306. Connect the provided USB charging cable to the charging port on the back of the unit and plug the other end into a standard USB power adapter (not included). The charging indicator light will illuminate during charging and turn off when fully charged.
4.2 Configuración del micrófono
The two wireless microphones are pre-paired with the main unit. Ensure the microphones have batteries inserted (if required, check battery compartment) and are switched ON. They should automatically connect to the main unit when it is powered on.
4.3 Emparejamiento Bluetooth
- Power on the SDRD SD-306 by pressing and holding the power button.
- The unit will enter Bluetooth pairing mode automatically, indicated by a flashing light or voice prompt.
- En su teléfono inteligente, tableta u otro dispositivo Bluetooth, habilite Bluetooth y busque los dispositivos disponibles.
- Seleccione "SDRD SD-306" de la lista de dispositivos.
- Once connected, you will hear a confirmation sound. You can now stream audio from your device to the karaoke machine.
4.4 Connecting via AUX/USB/TF Card
The SDRD SD-306 supports multiple input methods:
- Entrada auxiliar: Connect an external audio device using a 3.5mm AUX cable (not included) to the AUX port on the unit. Switch the unit to AUX mode using the 'Mode' button.
- Entrada USB: Inserte una unidad flash USB que contenga audio MP3 files into the USB port. The unit will automatically switch to USB mode and begin playing.
- Entrada de tarjeta TF: Inserte una tarjeta TF (MicroSD) que contenga audio MP3 files into the TF card slot. The unit will automatically switch to TF card mode and begin playing.

Imagen: Trasera view of the SDRD SD-306, highlighting the various input ports for connectivity.
5. Instrucciones de funcionamiento
5.1 Encendido y apagado
Press and hold the power button on the main unit to turn the device ON or OFF.
5.2 Control de volumen
- Volumen del altavoz: Use the main volume knob or '+' / '-' buttons on the unit to adjust the overall speaker volume.
- Volumen del micrófono: Each wireless microphone has its own volume control switch (VOL) to adjust its individual output level.
5.3 Echo Adjustment
Each wireless microphone features an ECHO switch to add or reduce echo effect to your voice. Experiment with the settings to find your preferred vocal effect.
5.4 Navegación por pistas
When playing music via Bluetooth, USB, or TF card, use the 'Previous Track' and 'Next Track' buttons on the main unit to skip songs.
Selección de 5.5 modos
Press the 'Mode' button on the main unit to cycle through available input modes: Bluetooth, AUX, USB, and TF Card.
5.6 Singing with Microphones
Once your music source is playing and microphones are connected, simply sing into the microphones. Adjust microphone volume and echo as desired for optimal performance.

Imagen: Lateral view of the SDRD SD-306, illustrating the control panel with buttons for mode, track navigation, and the main volume knob.
6. Mantenimiento
- Limpieza: Wipe the unit and microphones with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Almacenamiento: Guarde la unidad en un lugar fresco y seco, alejado de la luz solar directa y de temperaturas extremas.
- Cuidado de la batería: To prolong battery life, avoid fully discharging the unit frequently. Recharge the battery regularly, even if not in use for extended periods.
- Cuidado del micrófono: Manipule los micrófonos con cuidado. Evite dejarlos caer o exponerlos a la humedad.
7. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| No hay sonido del altavoz | Unit is off; Volume is too low; Incorrect mode selected; Device not connected. | Ensure unit is on; Increase volume; Select correct input mode (Bluetooth, AUX, USB, TF); Reconnect Bluetooth device. |
| Los micrófonos no funcionan | Microphones are off; Microphone batteries are low/dead; Microphone volume is too low. | Switch microphones ON; Replace microphone batteries; Increase microphone volume. |
| El Bluetooth no se conecta | Unit not in pairing mode; Device Bluetooth is off; Interference. | Ensure unit is in Bluetooth mode; Turn device Bluetooth off/on; Move closer to the unit; Disconnect other Bluetooth devices. |
| Mala calidad de sonido | Low battery; Source audio quality is poor; Microphone too close to speaker (feedback). | Recharge unit; Use high-quality audio files; Move microphones away from the speaker. |
| Unidad no cargando | Cable de carga defectuoso; Adaptador de corriente defectuoso; Puerto de carga dañado. | Pruebe con un cable USB y un adaptador de corriente diferentes; comuníquese con atención al cliente si el puerto está dañado. |
8. Especificaciones
| Característica | Detalle |
|---|---|
| Número de modelo | SDRD-306 Black |
| Marca | Genérico |
| Potencia máxima de salida del altavoz | 120 vatios |
| Respuesta de frecuencia | 40 Hz |
| Tecnología de conectividad | Bluetooth, Auxiliar, USB |
| Modo de salida de audio | Rodear |
| Dimensiones del producto | 2 x 2 x 2 cm |
| País natal | Porcelana |
9. Garantía y soporte
This product is sold by Digi Core FZE. For any product-related inquiries, technical support, or warranty claims, please contact the seller directly through your purchase platform.
Es posible que estén disponibles para su compra opciones de garantía extendida:
- Garantía extendida de 1 año de Salama Care
- Garantía extendida de 2 año de Salama Care
Consulte la documentación de compra para conocer los términos y condiciones específicos de la garantía.
10. Vídeos oficiales del producto
No hay vídeos oficiales de productos disponibles para incrustar en este momento.