1. Introdución
Thank you for choosing the MONODEAL CD401 Portable HiFi Stereo CD Player. This versatile device combines classic CD playback with modern connectivity options, including Bluetooth, FM radio, USB, and AUX input. Enjoy high-fidelity audio with built-in speakers, dynamic RGB lighting, and convenient remote control. This manual provides essential information for setup, operation, and maintenance to ensure optimal performance.
2. Que hai na caixa
- 1x MONODEAL CD401 CD Player
- 1 x Manual de usuario
- 1 x mando a distancia
- 1x cable de audio de 3.5 mm
- 1x Charging Cable and Plug
3. Produto rematadoview
The MONODEAL CD401 is designed for both portability and desktop use, offering a blend of classic and contemporary audio features. Its compact design includes integrated speakers and a clear display for easy navigation.

Figura 1: Fronte view of the MONODEAL CD401 Portable CD Player, showcasing its compact design and central display.
Características principais:
- Multi-Color RGB Lighting: Dynamic lighting effects that change color to the beat of the music, enhancing visual and auditory experience.
- Bluetooth 5.3: Functions as both a Bluetooth transmitter (to headphones/speakers) and receiver (from phones/tablets).
- Integrated 4*HIFI Speakers: Provides surround sound for an immersive listening experience.
- Múltiples modos de reprodución: Easily switch between CD, Bluetooth, FM Radio, AUX, and USB modes via a large LCD screen.
- Wide CD Compatibility: Supports CD, CD-R, CD-RW, MP3, and WMA formats.
- Efectos de son: Choose from five equalizer presets: Flat, Rock, Pop, Jazz, and Classic.
- Radio FM: Access FM frequencies from 76MHz to 108MHz.
- USB & AUX Connectivity: Play music from a USB flash drive or connect external devices via the 3.5mm AUX cable.
- Batería recargable: Built-in 3000mAh battery offers up to 8 hours of continuous playback.
- Temporizador de sono: Customizable sleep timer from 10 to 90 minutes.

Figure 2: The MONODEAL CD401 displaying its multi-color RGB lighting effects, which synchronize with the music.
Controis e portos:
The device features intuitive controls on its top panel and essential ports on the side for easy access.

Figure 3: Top panel of the CD player showing playback controls, mode selection, and display.

Figure 4: The side panel of the CD player, illustrating the AUX input, USB port, and charging port.
Vídeo oficial do produto:
Video 1: Official product video from MonoDeals showcasing the Desktop CD Player with Bluetooth and RGB Light features.
Video 2: Official product video from MonoDeals demonstrating the Desktop Player's Bluetooth functionality and colorful lighting effects.
4. Configuración
4.1 Carga do dispositivo
- Connect the provided USB charging cable to the charging port on the side of the CD player.
- Plug the other end of the USB cable into a compatible USB power adapter (included) or a computer's USB port.
- The battery indicator on the LCD screen will show charging status. A full charge provides up to 8 hours of playback.
4.2 Inserción dun CD
- Abra con coidado a tapa do compartimento do CD.
- Place the CD with the label side facing up onto the spindle. Ensure it clicks into place.
- Close the CD compartment cover firmly until it latches.
4.3 Acendido/Apagado
- To power on, slide the ON/OFF switch to the 'ON' position. The LCD screen will light up.
- Para apagar, deslice o interruptor de acendido/apagado á posición "OFF".
5. Instrucións de funcionamento
5.1 Selección de modo
Preme o MODO button on the device or remote control to cycle through the available modes: CD, Bluetooth, FM, AUX, and USB.

Figure 5: The CD player's display indicating the five available playback methods: CD, FM Radio, Bluetooth, AUX mode, and USB Music Player.
5.2 Reprodución de CD
- Insert a compatible CD (CD, CD-R, CD-RW, MP3, WMA).
- Select 'CD' mode. The player will automatically start reading the disc.
- Usa o Reproducir/Pausa, Próxima pista, e Pista anterior botóns para controlar a reprodución.
- Preme o REPETIR button to cycle through repeat options (e.g., repeat one, repeat all).
- Preme o EQ button to select desired sound effects (Flat, Rock, Pop, Jazz, Classic).
5.3 Modo Bluetooth
The CD401 supports both Bluetooth transmission (BT TX) and reception (BT RX).
- Bluetooth Receiver (BT RX): Select 'Bluetooth' mode. The device will enter pairing mode. On your phone/tablet, search for 'CD401' and connect. Audio from your device will play through the CD player's speakers.
- Bluetooth Transmitter (BT TX): Select 'Bluetooth' mode. Press and hold the BT TX button. The CD player will search for nearby Bluetooth headphones or speakers. Once connected, CD audio will transmit to the external Bluetooth device.

Figure 6: Illustration of the CD player's dual Bluetooth functionality, allowing it to receive audio from a phone (RX) or transmit to headphones (TX).
5.4 Radio FM
- Select 'FM' mode.
- Usa o Próxima pista e Pista anterior buttons to scan for radio stations.
- The FM frequency range is 76MHz to 108MHz.
5.5 Entrada AUX
- Select 'AUX' mode.
- Connect an external audio device (e.g., smartphone, computer) to the AUX IN port using the provided 3.5mm audio cable.
- The CD player will now act as a wired speaker for the connected device.
- Note: Bluetooth connectivity is not supported in cars; use the 3.5mm AUX cable for car audio.
Reprodución por USB 5.6
- Selecciona o modo "USB".
- Insira unha unidade flash USB que conteña audio MP3 ou WMA files no porto USB.
- The player will automatically detect and begin playing the audio files.
5.7 Control de volume
Adjust the volume using the dedicated volume buttons on the device or the remote control.
5.8 Temporizador de sono
- Preme o DURMIR botón do mando a distancia.
- Cycle through the available sleep timer durations (10, 20, 30, 40, 50, 60, 70, 80, 90 minutes).
- O dispositivo apagarase automaticamente despois do tempo seleccionado.

Figure 7: The CD player featuring its sleep timer function, allowing users to set automatic shutdown after a specified duration.
6. Mantemento
6.1 Limpeza
- Limpe o dispositivo cun pano suave e seco. Non empregue produtos de limpeza líquidos nin materiais abrasivos.
- Keep the CD compartment clean and free of dust.
6.2 Almacenamento
- Garde o reprodutor de CD nun lugar fresco e seco, lonxe da luz solar directa e de temperaturas extremas.
- Remove any CDs or USB drives before storing for extended periods.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| O dispositivo non se acende | Batería baixa ou o interruptor de alimentación está apagado. | Charge the device fully. Ensure the ON/OFF switch is in the 'ON' position. |
| Non hai son dos altofalantes | Volume is too low or incorrect mode selected. | Increase volume. Verify correct playback mode (CD, Bluetooth, FM, AUX, USB). |
| Non se reproduce o CD | O CD está sucio, raiado ou inserido incorrectamente. | Clean the CD. Check for scratches. Reinsert the CD correctly with the label side up. |
| Fallou o emparejamento por Bluetooth | Device is not in pairing mode or too far from the source. | Ensure the CD player is in Bluetooth pairing mode. Move devices closer. Disconnect from other Bluetooth devices. |
8. Especificacións
| Característica | Detalle |
|---|---|
| Número de modelo | CD401 |
| Marca | MONODEAL |
| Tecnoloxía de conectividade | Bluetooth 5.3 |
| Tipo de altofalante | 4*HIFI Stereo |
| Capacidade da batería | 3000 mAh (integrada) |
| Tempo de reprodución | Ata 8 horas (con carga completa) |
| Formatos de disco admitidos | CD, CD-R, CD-RW |
| Formatos de audio admitidos | MP3, WMA |
| Rango de frecuencia FM | 76MHz a 108MHz |
| Dimensións do paquete | 10.83 x 9.13 x 1.93 polgadas |
| Peso do elemento | 2.48 libras |
9. Garantía e soporte
For warranty information, technical support, or customer service inquiries, please refer to the contact details provided in your product packaging or visit the official MONODEAL websitio. Conserve o recibo de compra para reclamacións de garantía.