Daakro ZK-502MT

ZK-502MT Bluetooth Amplifier Board колдонуучусу

Model: ZK-502MT | Brand: Daakro

1. Киришүү

The Daakro ZK-502MT Bluetooth Amplifier Board is a versatile 2.0 channel audio amplifier designed for DIY home audio projects. It features dual HiFi amplifier chips, providing clear and high-fidelity sound. With support for both Bluetooth 5.0 and AUX inputs, it offers flexible connectivity options for various audio sources. This manual provides detailed instructions for setup, operation, and maintenance of your ZK-502MT ampкуткаруучу такта.

Daakro ZK-502MT Bluetooth Amplifier Board with screwdriver and power adapter

Image 1.1: The ZK-502MT Bluetooth Amplifier Board, including a screwdriver and a DC power adapter.

2. Негизги өзгөчөлүктөрү

  • Dual HiFi Ampкөтөргүч чип: Utilizes two HiFi amplifier chips with PurePath technology for ultra-high resolution, low distortion, and high-fidelity sound.
  • 2.0 Каналдын конфигурациясы: Supports left and right channel output, each providing 50W output power 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.
  • Кеңири колдонуу: Compatible with a wide input voltage range from 9V to 24V DC and suitable for 20-200W, 4-8Ω speakers.
  • Комплекстүү коргоо: Built-in protection mechanisms include over-voltage, томдун астындаtage, over-temperature, short-circuit, and reverse connection protection.
  • Treble and Bass Control: Independent knobs for adjusting treble and bass to customize your audio output.

3. Кутуда эмне бар

Пакетти ачканда, төмөнкү компоненттердин бардыгы камтылганын текшериңиз:

  • ZK-502MT Bluetooth Ampкөтөргүч такта
  • Top Plate with Control Labels
  • Төмөнкү плита
  • Screwdriver
  • DC Power адаптер туташтыргычы
  • Жылыткыч
  • Mounting Hardware (Screws, Standoffs)
  • Control Knobs (Volume, Treble, Bass)
Contents of the ZK-502MT amplifier board box, including the board, plates, screwdriver, power connector, heat sink, and knobs.

Image 3.1: All components included in the ZK-502MT package.

4. Орнотуу колдонмосу

Follow these steps to properly set up your ZK-502MT Bluetooth Ampкөтөргүч такта.

4.1 Компоненттерди чогултуу

  1. Attach Heat Sink: Secure the provided heat sink to the main amplifier chip on the board. Ensure good contact for optimal heat dissipation.
  2. C чогултууasing: Use the provided standoffs and screws to attach the top and bottom plates to the amplifier board. The top plate has labels for controls and ports.
  3. Орнотуу баскычтары: Place the three control knobs onto their respective shafts for Volume, Bass, and Treble.
Close-up of the heat sink installed on the ampкуткаруучу такта.Close-up of the control knobs on the ampкуткаруучу такта.

Image 4.1: Proper installation of the heat sink and control knobs.

4.2 Динамиктин туташуусу

Динамиктерге туташтырыңыз amplifier board using the screw terminals. The board supports 2.0 channel output (Left and Right). Ensure correct polarity (+ and -) for each speaker.

  • Connect the positive (+) terminal of your left speaker to the 'L+' terminal on the board.
  • Connect the negative (-) terminal of your left speaker to the 'L-' terminal on the board.
  • Connect the positive (+) terminal of your right speaker to the 'R+' terminal on the board.
  • Connect the negative (-) terminal of your right speaker to the 'R-' terminal on the board.

The amplifier board is suitable for 20-200W, 4-8Ω speakers.

Diagram showing speaker and input connections on the ampкуткаруучу такта.

Image 4.2: Connection points for speakers, power, and AUX input.

4.3 Кубат туташтыруу

Connect a DC power supply (9V-24V) to the power input terminal. The board includes a DC power adapter connector for convenience.

  • Сиздин энергия менен камсыз кылуу voltage is within the 9V to 24V DC range.
  • Connect the power supply to the DC-IN port on the ampкуткаруучу такта.
  • The board has built-in reverse connection protection, but always double-check polarity before powering on.
Close-up of the power input and speaker terminals on the ampкуткаруучу такта.

Image 4.3: Detail of the power input and speaker terminals.

5. Иштөө нускамалары

This section details how to operate your ZK-502MT ampкуткаруучу такта.

5.1 Күйгүзүү/өчүрүү

  • To power on, ensure all connections are secure, then connect the power supply to a power outlet. The power indicator LED will illuminate.
  • To power off, disconnect the power supply from the outlet.

5.2 Volume, Treble, and Bass Control

The amplifier board features three rotary knobs for audio adjustment:

  • Көлөмү: Rotate the "VOLUME" knob clockwise to increase volume and counter-clockwise to decrease.
  • Бас: Rotate the "BASS" knob clockwise to increase bass frequencies and counter-clockwise to decrease.
  • Үч кабат: Rotate the "TREBLE" knob clockwise to increase treble frequencies and counter-clockwise to decrease.

5.3 Аудио киргизүү режимдери

The ZK-502MT supports two audio input modes: Bluetooth and AUX.

Diagram illustrating multiple audio input modes: Bluetooth and AUX, with compatible devices like mobile phones, tablets, and computers.

Сүрөт 5.1: The amplifier board supports both Bluetooth and AUX input modes.

5.3.1 Bluetooth режими

  1. камсыз кылуу amplifier board is powered on.
  2. The board will automatically enter Bluetooth pairing mode. A voice prompt or indicator light may confirm this.
  3. On your audio source device (e.g., smartphone, tablet, computer), enable Bluetooth and search for available devices.
  4. Select "ZK-502MT" from the list of devices to pair. No password is required.
  5. Once paired, a confirmation sound will be heard, and you can begin playing audio wirelessly.
A smartphone connected via Bluetooth to the ZK-502MT amplifier board, showing a range of up to 16.4 feet.

Image 5.2: Bluetooth connectivity range of the ZK-502MT.

5.3.2 AUX киргизүү режими

  1. Connect a 3.5mm audio cable from your audio source device (e.g., MP3 player, TV, laptop) to the "AUX-IN" port on the ampкуткаруучу такта.
  2. The amplifier board will automatically switch to AUX input mode when a cable is detected.
  3. Begin playing audio from your source device.

6. Техникалык шарттар

ӨзгөчөлүкСпецификация
Модель номериZK-502MT
БрендDaakro
Каналдардын саны2.0 (Стерео)
Чыгуу күчү50W + 50W (жалпысынан 100W)
Киргизүү көлөмүtage ДиапазонТуруктуу ток 9V - 24V
Динамик импедансы4-8Ω
Speaker Power Compatibility20 Вт - 200 Вт
Bluetooth версиясы5.0
Аудио киргизүүBluetooth, AUX (3.5mm)
Өлчөмдөрү (L x W x Y)3.54 x 2.36 x 0.83 дюйм (9 x 6 x 2.1 см)
Элемент Салмагы4.2 унция (119 грамм)
Diagram showing the compact dimensions of the ZK-502MT ampкуткаруучу такта.

Image 6.1: Physical dimensions of the ZK-502MT ampкуткаруучу такта.

Table comparing power output based on input voltage and speaker impedance.

Image 6.2: Power Output Comparison Table for different input voltages and speaker impedances.

7. Кыйынчылыктарды

КөйгөйМүмкүн себепЧечим
Үн чыгышы жок
  • Incorrect speaker wiring.
  • Low volume setting.
  • Туура эмес киргизүү режими тандалды.
  • Бузук аудио булагы же кабель.
  • Электр менен камсыздоо маселеси.
  • Check speaker polarity (+/-) and ensure secure connections.
  • Increase the volume knob on the ampкөтөргүч жана аудио булагыңыз.
  • Ensure the correct input (Bluetooth/AUX) is active.
  • Башка аудио булагы же кабель менен сынап көрүңүз.
  • Verify power supply is connected and within 9-24V DC range.
Bluetooth туташпай жатат
  • Amplifier not in pairing mode.
  • Түзмөк өтө алыс ampөмүрлүү.
  • Bluetooth тоскоолдуктары.
  • Мурунку туташуу көйгөйү.
  • камсыз кылуу amplifier is powered on and ready for pairing.
  • Аспабыңызды жакыныраак жылдырыңыз amplifier (within 16.4 feet/5 meters).
  • Жакын жердеги башка Bluetooth түзмөктөрүн өчүрүңүз.
  • Forget "ZK-502MT" on your device's Bluetooth settings and try pairing again.
Үндүн бурмаланышы же сапаты начар
  • Көлөмү өтө жогору.
  • Incompatible speakers.
  • Электр энергиясы жетишсиз.
  • Аудио булагынын сапаты начар.
  • Reduce volume on both ampкөтөргүч жана аудио булагы.
  • Ensure speakers are 4-8Ω and within 20-200W power rating.
  • Use a power supply with adequate current (e.g., 12V 5A or 24V 3A for higher power output).
  • Test with a high-quality audio source.
Amplifier board gets hot
  • High volume or prolonged use.
  • Жетишсиз желдетүү.
  • Heat sink not properly installed.
  • This is normal under heavy load, but ensure it's not excessively hot.
  • Ensure the board has sufficient airflow.
  • Verify the heat sink is securely attached to the chip.

8. Техникалык тейлөө

To ensure the longevity and optimal performance of your ZK-502MT amplifier board, follow these simple maintenance guidelines:

  • Тазалоо: Gently wipe the surface of the board with a soft, dry cloth. Do not use liquid cleaners or solvents, as they may damage the electronic components.
  • Чаңды тазалоо: Periodically use compressed air to remove dust from the heat sink and other components to maintain proper cooling.
  • Сактагыч: сакталган болсо amplifier board for an extended period, disconnect it from power and store it in a cool, dry place away from direct sunlight and excessive humidity.
  • Колдонуу: Always handle the board by its edges to avoid touching sensitive components or causing static discharge.

9. Кепилдик жана колдоо

Daakro is committed to providing high-quality products and excellent customer service.

  • Кепилдик: Бул продукт менен келет 36 айлык кепилдик сатып алынган күндөн тартып өндүрүш кемчиликтерин жабуу. Кепилдик дооматтары үчүн сатып алганыңыздын далилин сактап коюңуз.
  • Кардарларды тейлөө: For any questions, technical assistance, or warranty inquiries, please contact Daakro customer support.
  • Онлайн колдоо: Visit the official Daakro Store on Amazon for more information and support resources: Daakro Amazon Store.
Image indicating 36 months warranty, 24 hours online customer service, and 100% customer satisfaction.

Image 9.1: Daakro After-Sales Support information.

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