1. Introducció
The Douk Audio M5.1PRO is a versatile HiFi 5.1 Channel Bluetooth Amplifier designed to deliver a rich and immersive audio experience. It features professional DSP decoding, multiple input options including Bluetooth 5.1, Coaxial, Optical, U-disk, Hard disk, and SD Card, and supports various channel outputs (2.0/2.1/5.1). Equipped with high-quality chipsets like QCC5125 for Bluetooth, ES9018 for DAC, and TPA3116 for amplification, the M5.1PRO ensures superior audio performance. Its user-friendly design includes a colorful OLED screen and a dedicated remote control for convenient operation.
Figure 1: Douk Audio M5.1PRO HiFi 5.1 Channel Bluetooth Ampmés viu
2. Guia de configuració
2.1 Desembalatge
Carefully unpack all components from the box. The package should contain the following items:
- 1 x M5.1PRO Ampmés viu
- 1 x 24V / 8A font d'alimentació
- 1 x cable òptic
- 1 x antena Bluetooth
- 1 x Remote Control (Note: AAA*2 batteries are not included and must be purchased separately)
Figure 2: Contents of the M5.1PRO package
2.2 Connexió d'alimentació
Connect the provided 24V/8A power adapter to the 'MAIN POWER' input on the rear panel of the amplifier. For higher output requirements, an additional power adapter can be connected to the 'SUB POWER' input.
2.3 Connexions d'entrada d'àudio
The M5.1PRO supports multiple audio input sources:
- Bluetooth 5.1: For wireless connection to smartphones, tablets, and other Bluetooth-enabled devices.
- Coaxial/Òptic: For digital audio input from TVs, CD/DVD players, and other media devices.
- U-disk/Hard disk/SD Card: Per tocar música files directly from storage devices.
Select the appropriate input port on the rear panel for your audio source.
2.4 Connexions de sortida d'altaveus
El amplifier offers 2.0, 2.1, and 5.1 channel speaker outputs. Connect your speakers to the corresponding terminals on the rear panel:
- Front (R, L): For main stereo speakers.
- Surround (S-R, S-L): For surround sound speakers.
- Center (CEN): For the center channel speaker.
- Subwoofer (SUB): For a passive subwoofer.
- Stereo RCA Output: Per connectar-se a un extern amplifier o altaveus actius.
Figure 3: Rear panel connections showing power inputs, audio inputs, and speaker outputs
3. Instruccions de funcionament
3.1 Controls del panell frontal
The front panel features a 2.4-inch colorful OLED screen and various buttons and a rotary knob for control:
Figure 4: Front panel layout and control functions
- Botó d'encesa: Short press to power on or return; Long press to power off.
- Previous Song / UP Button: Short press for previous song or navigate up in menus.
- Loop Mode / Firmware Update Button: Short press to switch to loop mode; Long press to upgrade firmware.
- Next Song / Down Button: Short press for next song or navigate down in menus.
- Pause/Play/Confirm Button: Short press to pause/play or confirm selection; Long press to enter the menu.
- Input Mode Switch Button: Press to cycle through available input modes (Bluetooth, Coaxial, Optical, U-disk, SD Card).
- Volume Knob (VOL): Rotate to adjust the main volume; Short press to mute; Long press to adjust individual channel volumes.
- Pantalla de visualització: Shows connection status, playback mode, current song, and other information.
3.2 Control remot
The included remote control provides convenient access to all functions. Ensure AAA*2 batteries are installed before use.
Figure 5: Remote control for the M5.1PRO ampmés viu
3.3 Funció de restabliment de Bluetooth
El amplifier features a Bluetooth reset function, allowing you to clear all previously paired devices with a single click. This is useful when connecting new devices or resolving connection issues.
Figure 6: 2.4-inch Colorful OLED Screen displaying connection status and playback information
3.4 DSP Decoding and Channel Outputs
The integrated DSP chip allows for dynamic separation and supports 2.0, 2.1, 3.1, 4.1, and 5.1 channel outputs. You can switch between these modes to match your speaker configuration and desired listening experience.
Figure 7: M5.1PRO supporting various channel outputs with DSP decoding
4. Manteniment
- Neteja: Utilitzeu un drap suau i sec per netejar-lo amplifier's exterior. Avoid using liquid cleaners or solvents, as they may damage the finish or internal components.
- Ventilació: Assegureu-vos el amplifier is placed in a well-ventilated area to prevent overheating. Do not block any ventilation openings.
- Apagar: Apagueu sempre el amplifier and disconnect it from the power source before cleaning or if it will be unused for an extended period.
- Condicions ambientals: Eviteu exposar el amplifier to extreme temperatures, humidity, or direct sunlight.
5. Solució De Problemes
- Sense energia:
- Comproveu si l'adaptador de corrent està connectat correctament a tots dos ampcarregador i una presa de corrent que funcioni.
- Ensure the power button on the front panel is pressed (short press for power on).
- If using two power inputs for higher output, ensure both are connected correctly.
- Sense sortida de so:
- Verify that the correct input mode is selected on the amplifier (e.g., Bluetooth, Optical, Coaxial).
- Check all speaker connections to ensure they are secure and correctly wired.
- Adjust the main volume knob and ensure the amplifier is not muted (short press volume knob to unmute).
- Confirm that your audio source is playing and its volume is turned up.
- Problemes de connexió Bluetooth:
- Assegureu-vos el amplifier is in Bluetooth input mode.
- Try using the Bluetooth reset function to clear previous pairings and attempt to connect again.
- Make sure your Bluetooth device is within range and not connected to another device.
- El control remot no funciona:
- Check if AAA*2 batteries are correctly installed and not depleted.
- Assegureu-vos que no hi hagi obstacles entre el comandament a distància i el amplifier's infrared receiver.
- Actualització del firmware:
- To update firmware, long press the 'Loop Mode' button on the front panel. Follow any on-screen instructions.
6. Especificacions
| Característica | Especificació |
|---|---|
| Marca | Nobsound (Douk Audio) |
| Model | M5.1PRO |
| Entrada d'àudio | Bluetooth 5.1 / Coaxial / Optical / U-disk / Hard-disk / SD-Card |
| Sortida d'àudio | 2.0/2.1/5.1 Channel / Stereo RCA |
| Rated Output Power @ 4ohm | Front: 60W+60W, Surround: 60W+60W, Center: 60W, Bass: 60W |
| SNR | ≥98.5 dB |
| THD | 0.04% |
| Rated Output Level of RCA | 2V |
| Max Sampling Rate (Optical/Coaxial) | PCM192kHz/32Bit |
| U-disk/Hard-disk Format | FAT32, exFAT |
| Max Capacity (Hard disk) | 2 TB |
| Max Capacity (U-disk/SD-Card) | 512G |
| Música suportada File Formats | WAV, FLAC, APE, DFF, MP3, ISO, DSF, DTS |
| Suport CUE | WAV/APE/FLAC |
| Port USB | USB3.0 or below |
| Port SD | CLASS10 or above |
| Dimensions (W*D*H) | 228*154*46mm / 8.98*6.06*1.81in |
| Pes net | 1.23 kg / 2.71 lliures |
| Pes del paquet | 2.10 kg / 4.63 lliures |
6.1 Chipset Details
Figure 8: Key chipsets for peak performance
- QCC5125 Bluetooth Chip: Supports ACC/SBC/APTX/APTX-LL/APTX-HD/LDAC for 24bit/96kHz lossless transmission.
- ES9018 DAC Chip: Supports up to 192 kHz / 32-bit audio sampling rates and DFF/DSF/ISO/WAV/FLAC/MP3 formats with DSD256 high-fidelity decoding.
- TPA3116 Amplifier Chips: Provides rated power to drive 3-8" speakers and 5-10" subwoofers effectively.
7. Garantia i Suport
The Douk Audio M5.1PRO amplifier ve amb a 2 any de garantia. For any technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Douk Audio customer support through your purchase platform or the official Douk Audio weblloc.
8. Consells d'usuari
- Bateries de control remot: Remember to purchase and install 2x AAA batteries for the remote control, as they are not included in the package.
- Power for Higher Output: If you require higher power output for your speaker setup, consider using a second 24V/8A power adapter in the dedicated 'SUB POWER' input.
- Qualitat d'àudio: The M5.1PRO is designed for high-quality audio reproduction, especially for speakers. Ensure proper speaker placement and connection for the best experience.
- Autenticitat: This product is a genuine Nobsound (Douk Audio) device.
9. Preguntes freqüents (FAQ)
- Q: What is the audio quality like for speakers?
- A: The M5.1PRO features professional DSP decoding and high-quality chipsets (ES9018 DAC, TPA3116 amplifier) designed to deliver rich detail and clear sound, making it suitable for driving 3-8" speakers and 5-10" subwoofers. Users generally report excellent audio quality for speaker playback.
- Q: Is this a genuine product?
- A: Yes, this is a genuine product manufactured by Nobsound, a brand under Douk Audio, known for its audio equipment.
