Daakro ZK-502L Bluetooth Ampຄູ່ມືຜູ້ໃຊ້ສະພາບໍລິຫານທີ່ມີຊີວິດຊີວາ

1. ບົດແນະນຳ

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 ampກະດານຊີວິດ.

2. ຄຸນລັກສະນະຂອງຜະລິດຕະພັນ

• 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.
• Vol ກວ້າງtage ຊ່ວງ: Compatible with DC 9-24V power supplies, allowing flexibility with 9V, 12V, 19V, or 24V sources.
• ຄວາມເຂົ້າກັນໄດ້ຂອງລໍາໂພງ: Suitable for 20-200W, 4-8Ω speakers, ensuring broad compatibility with various speaker sizes.
• ການປົກປ້ອງທີ່ສົມບູນແບບ: Built-in mechanisms include over-voltage, under-voltage, over-temperature, short-circuit, and reverse connection protection for device safety.
• ການຄວບຄຸມລະດັບສຽງ: Integrated volume knob for easy adjustment of audio output.

3. ເນື້ອໃນຊຸດ

ກວດ​ສອບ​ວ່າ​ລາຍ​ການ​ທັງ​ຫມົດ​ທີ່​ລະ​ບຸ​ໄວ້​ຂ້າງ​ລຸ່ມ​ນີ້​ແມ່ນ​ມີ​ຢູ່​ໃນ​ຊຸດ​ຂອງ​ທ່ານ​:

• ZK-502L Ampຄະນະທີ່ມີຊີວິດຊີວາ
• Top and Bottom Acrylic Plates
• Mounting Hardware (Screws, Spacers, Nuts)
• Volume Knob Cap
• ສາຍໄຟ DC
• Screwdriver ຂະຫນາດນ້ອຍ

4. ການກໍານົດອົງປະກອບ

Familiarize yourself with the various components and connection points on the ampຄະ​ນະ lifier​:

• ພະລັງງານເຂົ້າ (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.
• ການຄວບຄຸມລະດັບສຽງ: Rotary knob to adjust the audio output level.
• ຕົວຊີ້ວັດ Bluetooth: LED light indicating Bluetooth status.
• AUX Input: jack 3.5mm ສໍາລັບການເຊື່ອມຕໍ່ສຽງມີສາຍ.

5. ຂໍ້ກໍານົດດ້ານວິຊາການ

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:

ກະລຸນາສັງເກດ: 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. ຄໍາແນະນໍາການຕິດຕັ້ງ

Follow these steps to set up your Daakro ZK-502L ampຄະ​ນະ lifier​:

1. ປະກອບ ຄasing (Optional): If your board came with acrylic plates, use the provided screws and spacers to assemble the protective casing around the ampກະດານຊີວິດ.
2. ເຊື່ອມຕໍ່ລໍາໂພງ: Connect your passive speakers to the Left Channel Output (-L +) and Right Channel Output (-R +) terminals. Ensure correct polarity (+ to + and - to -).
3. ເຊື່ອມຕໍ່ການສະຫນອງພະລັງງານ: 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. ການຕັ້ງຄ່າປະລິມານເບື້ອງຕົ້ນ: Turn the volume control knob counter-clockwise to its minimum position before powering on.

8. ຄໍາແນະນໍາການດໍາເນີນງານ

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

8.1. ແບບ Bluetooth

1. ເປີດ: ຮັບປະກັນ amplifier board is powered on. The Bluetooth indicator LED will blink, indicating it is in pairing mode.
2. ການຈັບຄູ່: On your audio source device (e.g., smartphone, tablet, PC), enable Bluetooth and search for available devices. Select "ZK-502L" from the list.
3. ຢືນຢັນການເຊື່ອມຕໍ່: Once successfully paired, the Bluetooth indicator LED will stop blinking and remain solid.
4. ຫຼິ້ນສຽງ: 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. ໂຫມດການປ້ອນຂໍ້ມູນ AUX

1. ເຊື່ອມຕໍ່ສາຍ 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. ສະຫຼັບອັດຕະໂນມັດ: ໄດ້ amplifier board will automatically switch to AUX input mode when a cable is detected.
3. ຫຼິ້ນສຽງ: 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. ຂໍ້ຄວນລະວັງຄວາມປອດໄພ

• ຮັບປະກັນການສະຫນອງພະລັງງານ voltage is within the DC 9-24V range. Using an incorrect voltage ສາມາດທໍາລາຍອຸປະກອນ.
• 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.
• ຕັດການເຊື່ອມຕໍ່ໄຟຟ້າກ່ອນທີ່ຈະເຮັດການເຊື່ອມຕໍ່ ຫຼື ຕັດການເຊື່ອມຕໍ່ໃດໆ.
• Do not attempt to modify the circuit board, as this will void the warranty and may cause damage.

10. ການແກ້ໄຂບັນຫາ

• ບໍ່ມີສຽງ:
  • 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.
• ສຽງບິດເບືອນ:
  • ຫຼຸດລະດັບສຽງລົງທັງສອງ ampເຄື່ອງສົ່ງສັນຍານ ແລະ ອຸປະກອນແຫຼ່ງຂໍ້ມູນ.
  • Ensure the power supply can provide sufficient current for the desired output power.
  • Check speaker impedance compatibility (4-8Ω).
• ການຕັດການເຊື່ອມຕໍ່ Bluetooth:
  • Ensure the audio source device is within the 16.4 feet (5 meters) Bluetooth range.
  • ຫຼີກລ່ຽງອຸປະສັກທີ່ອາດຈະລົບກວນສັນຍານ Bluetooth.
  • ລອງຍົກເລີກການຈັບຄູ່ ແລະຈັບຄູ່ອຸປະກອນຄືນໃໝ່.
• ໄຟສະແດງພະລັງງານບໍ່ເປີດ:
  • Check the power supply connection and ensure it is functioning.
  • Verify that the power input terminals are correctly wired.

11. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ

Daakro provides the following support for your ZK-502L ampຄະ​ນະ lifier​:

• ການຮັບປະກັນ 30 ວັນ: 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.