Daakro ZK-502L Bluetooth Amppríručka lifier Board

1. Úvod

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 ampdoživotnejšia doska.

2. Vlastnosti produktu

• Dual HiFi Chip: Utilizes two HiFi amplifier chips with PurePath technology for ultra-high resolution, low distortion, and high-fidelity sound.
• 2.0 Channel Output: Supports left and right channel configuration, providing 50W output power per channel for an immersive sound experience.
• Dual Audio Input Modes: Seamlessly switch between Bluetooth 5.0 for wireless connectivity and traditional AUX input for wired audio sources.
• Wide Voltage Rozsah: Compatible with DC 9-24V power supplies, allowing flexibility with 9V, 12V, 19V, or 24V sources.
• Kompatibilita reproduktorov: Suitable for 20-200W, 4-8Ω speakers, ensuring broad compatibility with various speaker sizes.
• Komplexná ochrana: Built-in mechanisms include over-voltage, pod-voltage, over-temperature, short-circuit, and reverse connection protection for device safety.
• Ovládanie hlasitosti: Integrated volume knob for easy adjustment of audio output.

3. Obsah balenia

Overte si, či sú vo vašom balení všetky nižšie uvedené položky:

• ZK-502L Amplifier Board
• Top and Bottom Acrylic Plates
• Mounting Hardware (Screws, Spacers, Nuts)
• Volume Knob Cap
• DC napájací kábel
• Malý skrutkovač

4. Identifikácia komponentu

Familiarize yourself with the various components and connection points on the ampdoska záchranára:

• Vstupné napájanie (jednosmerný prúd 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.
• Ovládanie hlasitosti: Rotary knob to adjust the audio output level.
• Indikátor Bluetooth: LED dióda indikujúca stav Bluetooth.
• Vstup AUX: 3.5 mm jack pre káblové audio pripojenie.

5. Technické špecifikácie

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:

Poznámka: 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. Pokyny na nastavenie

Follow these steps to set up your Daakro ZK-502L ampdoska záchranára:

1. Zostavte Casing (Optional): If your board came with acrylic plates, use the provided screws and spacers to assemble the protective casing around the ampdoživotnejšia doska.
2. Pripojenie reproduktorov: Connect your passive speakers to the Left Channel Output (-L +) and Right Channel Output (-R +) terminals. Ensure correct polarity (+ to + and - to -).
3. Pripojte napájací zdroj: 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. Počiatočné nastavenie hlasitosti: Turn the volume control knob counter-clockwise to its minimum position before powering on.

8. Návod na obsluhu

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

8.1. Režim Bluetooth

1. Zapnutie: Zabezpečte amplifier board is powered on. The Bluetooth indicator LED will blink, indicating it is in pairing mode.
2. Párovanie: On your audio source device (e.g., smartphone, tablet, PC), enable Bluetooth and search for available devices. Select "ZK-502L" from the list.
3. Potvrdenie pripojenia: Once successfully paired, the Bluetooth indicator LED will stop blinking and remain solid.
4. Prehrať zvuk: 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. Režim AUX vstupu

1. Pripojte kábel 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. Automatické prepínanie: The amplifier board will automatically switch to AUX input mode when a cable is detected.
3. Prehrať zvuk: 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. Bezpečnostné opatrenia

• Zabezpečte napájanie objtage is within the DC 9-24V range. Using an incorrect voltage môže poškodiť zariadenie.
• Do not short-circuit the speaker outputs or power input.
• Nevystavujte dosku vlhkosti, extrémnym teplotám alebo priamemu slnečnému žiareniu.
• Handle the board with care to prevent damage to components.
• Pred akýmkoľvek pripojením alebo odpojením odpojte napájanie.
• Do not attempt to modify the circuit board, as this will void the warranty and may cause damage.

10. Riešenie problémov

• Žiadny zvuk:
  • Check if the power supply is connected correctly and providing the correct voltage.
  • Verify speaker connections for correct polarity and secure contact.
  • Ensure the volume knob is turned up on both the 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.
• Skreslený zvuk:
  • Znížte hlasitosť na oboch ampzdroj a zdrojové zariadenie.
  • Ensure the power supply can provide sufficient current for the desired output power.
  • Skontrolujte kompatibilitu impedancie reproduktorov (4 – 8 Ω).
• Odpojenie Bluetooth:
  • Ensure the audio source device is within the 16.4 feet (5 meters) Bluetooth range.
  • Vyhýbajte sa prekážkam, ktoré by mohli rušiť signál Bluetooth.
  • Skúste zrušiť párovanie a znova spárovať zariadenie.
• Indikátor napájania nesvieti:
  • Check the power supply connection and ensure it is functioning.
  • Verify that the power input terminals are correctly wired.

11. Záruka a podpora

Daakro provides the following support for your ZK-502L ampdoska záchranára:

• 30-dňová záruka: 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% spokojnosť zákazníkov: 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.