Daakro ZK-502L Bluetooth AmpManuel d'utilisation de la carte lifier

1. Introduction

The Daakro ZK-502L is a high-fidelity 2.0 channel Bluetooth amplifier board designed for DIY audio projects. It delivers 50W + 50W output power, features dual audio input modes (Bluetooth 5.0 and AUX), and operates within a wide DC 9-24V voltage range. This manual provides detailed instructions for the proper setup, operation, and maintenance of your ampcarte de lifier.

2. caractéristiques du produit

• Dual HiFi Chip: Utilizes two HiFi amplifier chips with PurePath technology for ultra-high resolution, low distortion, and high-fidelity sound.
• Sortie 2.0 canaux : Supports left and right channel configuration, providing 50W output power per channel for an immersive sound experience.
• Modes d'entrée audio doubles : Seamlessly switch between Bluetooth 5.0 for wireless connectivity and traditional AUX input for wired audio sources.
• Vol largetagGamme : Compatible with DC 9-24V power supplies, allowing flexibility with 9V, 12V, 19V, or 24V sources.
• Compatibilité des haut-parleurs : Suitable for 20-200W, 4-8Ω speakers, ensuring broad compatibility with various speaker sizes.
• Protection complète : Built-in mechanisms include over-voltage, sous-voltage, over-temperature, short-circuit, and reverse connection protection for device safety.
• Contrôle du volume : Integrated volume knob for easy adjustment of audio output.

3. Contenu du colis

Vérifiez que tous les éléments énumérés ci-dessous sont présents dans votre colis :

• ZK-502L AmpConseil d'administration
• Top and Bottom Acrylic Plates
• Mounting Hardware (Screws, Spacers, Nuts)
• Volume Knob Cap
• Câble d'alimentation CC
• Petit tournevis

4. Identification des composants

Familiarisez-vous avec les différents composants et points de connexion du ampcarte d'amplificateur :

• Alimentation (CC 9-24 V) : Connect your DC power supply here.
• Left Channel Output (-L +): Connect the left speaker here.
• Right Channel Output (-R +): Connect the right speaker here.
• Contrôle du volume : Bouton rotatif pour régler le niveau de sortie audio.
• Indicateur Bluetooth : LED light indicating Bluetooth status.
• Entrée AUX: Prise jack 3.5 mm pour connexion audio filaire.

5. Spécifications techniques

6. Power Output Guidelines

The actual output power varies depending on the input voltage and speaker impedance. Refer to the table below for typical power output values:

Veuillez noter: Optimal audio output requires sufficient audio input combined with appropriate power supply voltage and current. A higher voltage and current generally result in higher power output. For the same conditions, a smaller speaker impedance will yield greater power.

7. Instructions de configuration

Follow these steps to set up your Daakro ZK-502L ampcarte d'amplificateur :

1. Assemblez le Casing (Facultatif) : If your board came with acrylic plates, use the provided screws and spacers to assemble the protective casing autour du ampcarte de lifier.
2. Connecter les haut-parleurs : Connect your passive speakers to the Left Channel Output (-L +) and Right Channel Output (-R +) terminals. Ensure correct polarity (+ to + and - to -).
3. Connectez l'alimentation : Connect a DC 9-24V power adapter (not included) to the Power Input jack. Ensure the power supply meets the voltage and current requirements for your desired output.
4. Réglage initial du volume : Turn the volume control knob counter-clockwise to its minimum position before powering on.

8. Mode d'emploi

The ZK-502L amplifier board supports two audio input modes:

8.1. Mode Bluetooth

1. Mise sous tension : Assurez-vous que amplifier board is powered on. The Bluetooth indicator LED will blink, indicating it is in pairing mode.
2. Jumelage : On your audio source device (e.g., smartphone, tablet, PC), enable Bluetooth and search for available devices. Select "ZK-502L" from the list.
3. Confirmation de connexion : Once successfully paired, the Bluetooth indicator LED will stop blinking and remain solid.
4. Lire l'audio : Start playing audio on your connected device. Adjust the volume using the amplifier board's volume knob and your source device's volume controls.

8.2. Mode d'entrée AUX

1. Connectez le câble AUX : Insert a 3.5mm audio cable (not included) into the AUX Input jack on the amplifier board. Connect the other end to your audio source device's headphone or audio output jack.
2. Commutation automatique : Le amplifier board will automatically switch to AUX input mode when a cable is detected.
3. Lire l'audio : Start playing audio on your connected device. Adjust the volume using the amplifier board's volume knob and your source device's volume controls.

9. Précautions de sécurité

• Assurer l'alimentation voltage is within the DC 9-24V range. Using an incorrect voltagCela peut endommager l'appareil.
• Do not short-circuit the speaker outputs or power input.
• Évitez d'exposer la planche à l'humidité, aux températures extrêmes ou à la lumière directe du soleil.
• Handle the board with care to prevent damage to components.
• Coupez l'alimentation avant d'effectuer toute connexion ou déconnexion.
• Do not attempt to modify the circuit board, as this will void the warranty and may cause damage.

10. Dépannage

• Pas de son :
  • Vérifiez si l'alimentation est correctement connectée et fournit le volume correcttage.
  • Verify speaker connections for correct polarity and secure contact.
  • Assurez-vous que le bouton de volume est réglé au maximum sur les deux appareils. amplifier board and the audio source device.
  • If using Bluetooth, ensure the device is paired and connected. If using AUX, ensure the cable is fully inserted.
• Son déformé :
  • Baissez le volume sur les deux ampamplificateur et appareil source.
  • Ensure the power supply can provide sufficient current for the desired output power.
  • Vérifiez la compatibilité d'impédance des haut-parleurs (4-8Ω).
• Déconnexion Bluetooth :
  • Ensure the audio source device is within the 16.4 feet (5 meters) Bluetooth range.
  • Évitez les obstacles susceptibles de perturber le signal Bluetooth.
  • Essayez de déconnecter puis de reconnecter l'appareil.
• Voyant d'alimentation éteint :
  • Check the power supply connection and ensure it is functioning.
  • Verify that the power input terminals are correctly wired.

11. Garantie et assistance

Daakro provides the following support for your ZK-502L ampcarte d'amplificateur :

• Garantie 30 ​​jours : Your product is covered by a 30-day warranty from the date of purchase.
• 24 Hours Online Customer Service: For any inquiries or technical assistance, please contact Daakro customer support.
• 100% Customer Satisfaction: Daakro is committed to ensuring your satisfaction with their products.

For further assistance, please visit the official Daakro store or contact their customer service team.