EC Buying ZK-502H

EC Buying ZK-502H HiFi 50W+50W Bluetooth Amplifier Board -ийн хэрэглэгчийн гарын авлага

Model: ZK-502H

Танилцуулга

The EC Buying ZK-502H is a high-fidelity 2.0 stereo digital power amplifier module designed to deliver clear and powerful audio. Featuring the TPA3116D2 chip, this amplifier board provides 50W+50W output and supports multiple audio input sources including Bluetooth 5.0, AUX, and USB. It is equipped with various protection mechanisms to ensure stable and secure performance.

Бүтээгдэхүүний онцлог

  • Өндөр нарийвчлалтай аудио: Delivers 50W+50W output with the TPA3116D2 chip for crystal-clear stereo sound.
  • Multiple Input Sources: Supports Bluetooth 5.0, AUX (3.5mm jack), USB flash drive, and computer USB sound card (plug and play).
  • Bluetooth 5.0 холболт: Offers seamless wireless connection with a range of over 15 meters in unobstructed environments.
  • Бат бөх хамгаалалт: Overvol орноtage, undervoltage, overheating, DC detection, and short circuit protection for enhanced safety and durability.
  • Wide Speaker Compatibility: Adaptable to 10-100W, 4-8Ω speakers.
  • Уян цахилгаан хангамж: Operates with a DC power supply ranging from 9V to 24V.
  • Компакт дизайн: Measures 60x60x29mm, making it suitable for various applications and portable setups.

Багцын агуулга

Таны багцад бүх бүрэлдэхүүн хэсгүүд байгаа эсэхийг шалгана уу:

  • ZK-502H AmpАмьдралын самбар
  • Top and Bottom Acrylic Plates
  • Эзлэхүүний товчлуур
  • Дулаан шингээгч
  • Халив
  • Mounting Hardware (screws, standoffs)
  • DC тэжээлийн адаптер кабель
ZK-502H Amplifier Board components including circuit board, acrylic plates, volume knob, heat sink, screwdriver, and power cable.

Image: All components included with the ZK-502H amplifier board, laid out for assembly.

Тохируулах заавар

1. Assembly (Optional, if not pre-assembled)

  1. Attach the heat sink to the main chip on the ampөргөгч самбар.
  2. -ийг аюулгүй болго amplifier board between the two acrylic plates using the provided standoffs and screws.
  3. Install the volume knob onto the potentiometer shaft.

2. Эрчим хүчний холболт

  • -ийг баталгаажуулах amplifier is switched off and the volume knob is set to minimum.
  • Connect a DC power supply (9-24V) to the DC IN port (labeled DC9-24V). Use the provided DC power adapter cable if necessary.
  • Чухал: Илүү өндөр боть ашиглахtage within the specified range (e.g., 24V) is recommended for achieving higher power output.

3. Чанга яригчийн холболт

  • Connect your passive speakers to the speaker output terminals (labeled L+, L-, R+, R-).
  • Ensure correct polarity: positive (+) to positive, negative (-) to negative for each channel.
  • The amplifier supports speakers with an impedance of 4-8Ω and power rating of 10-100W.

4. Аудио оролтын холболт

Choose one of the following audio input methods:

  • Bluetooth: No physical connection needed. Proceed to Operating Instructions for pairing.
  • AUX: Connect an audio source (e.g., smartphone, MP3 player) to the 3.5mm AUX IN jack using an audio cable.
  • USB: Insert a USB flash drive into the USB IN port or connect the amplifier to a computer via USB for use as a sound card.
Топ view of the ZK-502H amplifier board showing input/output ports and dimensions.

Зураг: дээд view of the ZK-502H amplifier board, highlighting the AUX IN, Bluetooth, USB IN, DC IN, and speaker output terminals.

Ашиглалтын заавар

1. Асаах/унтраах

  • Press the ON/OFF button to power on the amplifier. A blue indicator light will illuminate.
  • Press the ON/OFF button again to power off the ampнастан.

2. Дууны түвшний хяналт

  • Rotate the large silver knob clockwise to increase volume.
  • Rotate the large silver knob counter-clockwise to decrease volume.

3. Оруулах горимын сонголт

The amplifier automatically detects the input source. If multiple sources are connected, it will prioritize them or switch based on activity.

  • Bluetooth горим: асаалттай үед amplifier will enter Bluetooth pairing mode. A voice prompt will confirm "Bluetooth Mode".
  • AUX горим: If an AUX cable is connected and playing audio, the amplifier will switch to AUX input.
  • USB горим: If a USB flash drive is inserted or connected to a computer, the amplifier will switch to USB input.

4. Bluetooth хослол

  1. -ийг баталгаажуулах amplifier is powered on and in Bluetooth mode (indicated by a voice prompt).
  2. On your audio device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
  3. Select "ZK-502H" from the list of devices to pair.
  4. Once paired, a voice prompt will confirm the connection. You can now play audio from your device.

Үзүүлэлтүүд

Бүтээгдэхүүний загварZK-502H
Чипийн шийдэлTPA3116D2 (with AM interference suppression)
Аудио оролтBluetooth 5.0, AUX (3.5mm), USB Flash Drive, Computer USB Sound Card
Эрчим хүчний хангамжDC 9-24V хувилбартай
Гаралтын хүч (Макс)50W + 50W (at 24V, 4Ω)
Чанга яригчийн эсэргүүцэл4-8 Ом
Чанга яригч10-100 Вт
Сувгийн тоо2.0 Stereo (Left and Right)
Bluetooth хувилбар5.0
Bluetooth хүрээ>15 meters (unobstructed)
Хамгаалалтын механизмуудХэт ихtage, Undervoltage, Overheating, DC Detection, Short Circuit Protection
Бүтээгдэхүүний хэмжээс60 x 60 x 29 мм
Бүтээгдэхүүний жинApproximately 104g (including packaging)

Power Output Table:

Цахилгаан хангамж Voltage8Ω Speaker Output4Ω Speaker Output
12 В12W + 12W байна20W + 20W байна
15 В18W + 18W байна30W + 30W байна
19 В32W + 32W байна40W + 40W байна
24 В38W + 38W байна50W + 50W байна

Засвар үйлчилгээ

  • -г хадгал amplifier board clean and free from dust. Use a soft, dry cloth for cleaning.
  • Avoid exposing the device to moisture, extreme temperatures, or direct sunlight.
  • Ensure proper ventilation to prevent overheating, especially during prolonged use at high volumes.
  • Үүнийг задлах эсвэл өөрчлөхийг бүү оролдоорой amplifier beyond the initial assembly steps, as this may void any potential warranty and could cause damage.

Алдааг олж засварлах

АсуудалБоломжит шалтгаанШийдэл
Дууны гаралт байхгүй.
  • Power not connected or insufficient.
  • Speakers not connected correctly.
  • Дууны хэмжээ хэт бага.
  • Буруу оролтын эх үүсвэр сонгосон.
  • Аудио эх үүсвэрийн асуудал.
  • Verify power supply (9-24V DC) and connection.
  • Check speaker wiring for correct polarity and secure connection.
  • Increase volume using the knob.
  • Ensure the correct input (Bluetooth, AUX, USB) is active.
  • Өөр аудио эх үүсвэр эсвэл кабель ашиглан туршина уу.
Bluetooth төхөөрөмжийг холбох боломжгүй.
  • Ampөргөгч нь хослуулах горимд ажиллахгүй байна.
  • Төхөөрөмж хэт хол байна ampнастан.
  • Хөндлөнгийн оролцоо.
  • Төхөөрөмж дээрх Bluetooth унтраалттай байна.
  • Баталгаажуулах amplifier is powered on and announces "Bluetooth Mode".
  • Төхөөрөмжөө ойртуулна уу ampнастан.
  • Minimize other wireless devices nearby.
  • Enable Bluetooth on your audio device and refresh the device list.
Гажуудсан дуу чимээ.
  • Volume too high (amplifier or source).
  • Цахилгаан хангамж хангалтгүй.
  • Чанга яригчийн импедансын зөрүү.
  • Аудио эх үүсвэрийн чанар муу.
  • Reduce volume on both ampөргөгч ба аудио эх үүсвэр.
  • Ensure power supply is adequate for desired output (e.g., 24V for 50W+50W).
  • Verify speakers are 4-8Ω.
  • Test with a high-quality audio source.

Баталгаат болон дэмжлэг

For product support, technical assistance, or warranty inquiries, please contact EC Buying customer service through the retailer where the product was purchased. Please retain your proof of purchase for any warranty claims.

Үйлдвэрлэгч: Европын холбооны худалдан авалт

Загвар: ZK-502H

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