Daakro ZK-502L Bluetooth Ampલિફાયર બોર્ડ યુઝર મેન્યુઅલ

1. પરિચય

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 ampલિફાયર બોર્ડ.

2. ઉત્પાદન સુવિધાઓ

• 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.
• વિશાળ ભાગtage રેન્જ: Compatible with DC 9-24V power supplies, allowing flexibility with 9V, 12V, 19V, or 24V sources.
• સ્પીકર સુસંગતતા: Suitable for 20-200W, 4-8Ω speakers, ensuring broad compatibility with various speaker sizes.
• વ્યાપક રક્ષણ: Built-in mechanisms include over-voltage, અંડર-વોલ્યુમtage, over-temperature, short-circuit, and reverse connection protection for device safety.
• વોલ્યુમ નિયંત્રણ: Integrated volume knob for easy adjustment of audio output.

3. પેકેજ સામગ્રી

ખાતરી કરો કે નીચે સૂચિબદ્ધ બધી વસ્તુઓ તમારા પેકેજમાં હાજર છે:

• ZK-502L Ampજીવંત બોર્ડ
• Top and Bottom Acrylic Plates
• Mounting Hardware (Screws, Spacers, Nuts)
• Volume Knob Cap
• ડીસી પાવર કેબલ
• નાના સ્ક્રુડ્રાઈવર

4. ઘટક ઓળખ

Familiarize yourself with the various components and connection points on the ampલાઇફાયર બોર્ડ:

• Power Input (DC 9-24V): Connect your DC power supply here.
• Left Channel Output (-L +): Connect the left speaker here.
• Right Channel Output (-R +): Connect the right speaker here.
• વોલ્યુમ નિયંત્રણ: Rotary knob to adjust the audio output level.
• બ્લૂટૂથ સૂચક: LED light indicating Bluetooth status.
• AUX ઇનપુટ: 3.5mm jack for wired audio connection.

5. ટેકનિકલ વિશિષ્ટતાઓ

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:

મહેરબાની કરીને નોંધ કરો: 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. સેટઅપ સૂચનાઓ

Follow these steps to set up your Daakro ZK-502L ampલાઇફાયર બોર્ડ:

1. Assemble the Casing (Optional): If your board came with acrylic plates, use the provided screws and spacers to assemble the protective casing around the ampલિફાયર બોર્ડ.
2. સ્પીકર્સ કનેક્ટ કરો: Connect your passive speakers to the Left Channel Output (-L +) and Right Channel Output (-R +) terminals. Ensure correct polarity (+ to + and - to -).
3. પાવર સપ્લાય કનેક્ટ કરો: 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. Initial Volume Setting: Turn the volume control knob counter-clockwise to its minimum position before powering on.

8. ઓપરેટિંગ સૂચનાઓ

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

8.1. બ્લૂટૂથ મોડ

1. પાવર ચાલુ: ખાતરી કરો amplifier board is powered on. The Bluetooth indicator LED will blink, indicating it is in pairing mode.
2. જોડી બનાવવું: On your audio source device (e.g., smartphone, tablet, PC), enable Bluetooth and search for available devices. Select "ZK-502L" from the list.
3. કનેક્શન પુષ્ટિ: Once successfully paired, the Bluetooth indicator LED will stop blinking and remain solid.
4. ઓડિયો ચલાવો: 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. AUX ઇનપુટ મોડ

1. AUX કેબલ કનેક્ટ કરો: 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. સ્વચાલિત સ્વિચિંગ: આ amplifier board will automatically switch to AUX input mode when a cable is detected.
3. ઓડિયો ચલાવો: 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. સુરક્ષા સાવચેતીઓ

• પાવર સપ્લાય વોલ્યુમની ખાતરી કરોtage is within the DC 9-24V range. Using an incorrect voltage ઉપકરણને નુકસાન પહોંચાડી શકે છે.
• Do not short-circuit the speaker outputs or power input.
• Avoid exposing the board to moisture, extreme temperatures, or direct sunlight.
• Handle the board with care to prevent damage to components.
• કોઈપણ જોડાણ અથવા ડિસ્કનેક્શન કરતા પહેલા પાવર ડિસ્કનેક્ટ કરો.
• Do not attempt to modify the circuit board, as this will void the warranty and may cause damage.

10. મુશ્કેલીનિવારણ

• કોઈ અવાજ નથી:
  • 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.
• વિકૃત અવાજ:
  • બંને પર વોલ્યુમ ઘટાડો ampલાઇફાયર અને સ્રોત ઉપકરણ.
  • Ensure the power supply can provide sufficient current for the desired output power.
  • Check speaker impedance compatibility (4-8Ω).
• બ્લૂટૂથ ડિસ્કનેક્શન:
  • Ensure the audio source device is within the 16.4 feet (5 meters) Bluetooth range.
  • Avoid obstacles that may interfere with the Bluetooth signal.
  • ઉપકરણને અનપેયર કરીને ફરીથી જોડી બનાવવાનો પ્રયાસ કરો.
• પાવર સૂચક ચાલુ નથી:
  • Check the power supply connection and ensure it is functioning.
  • Verify that the power input terminals are correctly wired.

11. વોરંટી અને સપોર્ટ

Daakro provides the following support for your ZK-502L ampલાઇફાયર બોર્ડ:

• 30 દિવસની વોરંટી: 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.