Daakro ZK-502MT Bluetooth Ampد لایف بورډ کارونکي لارښود

1. پیژندنه

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 ampلایف بورډ

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. کلیدي ځانګړتیاوې

Dual HiFi Ampلایفیر چپ: Utilizes two HiFi amplifier chips with PurePath technology for ultra-high resolution, low distortion, and high-fidelity sound.
2.0 د چینل ترتیب: 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.
پراخه غوښتنلیک: Compatible with a wide input voltage range from 9V to 24V DC and suitable for 20-200W, 4-8Ω speakers.
هر اړخیزه ساتنه: Built-in protection mechanisms include over-voltage ، تر وال لاندېtage, over-temperature, short-circuit, and reverse connection protection.
Treble and Bass Control: Independent knobs for adjusting treble and bass to customize your audio output.

۲. په بکس کې څه دي؟

د بسته بندۍ پرانستلو سره، مهرباني وکړئ تصدیق کړئ چې لاندې ټولې برخې پکې شاملې دي:

ZK-502MT Bluetooth Ampلوړ بورډ
Top Plate with Control Labels
لاندې پلیټ
سکرو ډرایور
د ډي سي پاور اډاپټر نښلونکی
د تودوخې سنک
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. د تنظیم کولو لارښود

Follow these steps to properly set up your ZK-502MT Bluetooth Ampد ژوند کولو بورډ.

۴.۲ د اجزاو مجلس

Attach Heat Sink: Secure the provided heat sink to the main amplifier chip on the board. Ensure good contact for optimal heat dissipation.
Assemble Casing: 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.
Install Knobs: Place the three control knobs onto their respective shafts for Volume, Bass, and Treble.

Close-up of the heat sink installed on the ampلایف بورډ

Close-up of the control knobs on the ampلایف بورډ

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

د سپیکر اتصال

خپل سپیکرې د دې سره وصل کړئ 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.

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

Diagram showing speaker and input connections on the ampلایف بورډ

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

4.3 د بریښنا نښلول

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

ډاډ ترلاسه کړئ چې ستاسو د بریښنا رسولو حجمtage is within the 9V to 24V DC range.
Connect the power supply to the DC-IN port on the ampلایف بورډ
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 ampلایف بورډ

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

5. عملیاتي لارښوونې

This section details how to operate your ZK-502MT ampلایف بورډ

۸ پاور آن/بند

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

د amplifier board features three rotary knobs for audio adjustment:

حجم: Rotate the "VOLUME" knob clockwise to increase volume and counter-clockwise to decrease.
باس: Rotate the "BASS" knob clockwise to increase bass frequencies and counter-clockwise to decrease.
تگول: Rotate the "TREBLE" knob clockwise to increase treble frequencies and counter-clockwise to decrease.

۶.۱ د آډیو ان پټ حالتونه

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.

انځور ۵.۱: د amplifier board supports both Bluetooth and AUX input modes.

5.3.1 بلوتوث حالت

ډاډ ترلاسه کړئ amplifier board is powered on.
The board will automatically enter Bluetooth pairing mode. A voice prompt or indicator light may confirm this.
On your audio source device (e.g., smartphone, tablet, computer), enable Bluetooth and search for available devices.
Select "ZK-502MT" from the list of devices to pair. No password is required.
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.

۶.۳ د AUX ان پټ حالت

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

6. تخنیکي مشخصات

فیچر	مشخصات
د ماډل شمیره	ZK-502MT
برانډ	داکرو
د چینلونو شمیر	2.0 (سټریو)
د تولید بریښنا	۴۵ واټه + ۲۰ واټه (ټول ۶۵ واټه)
ننوتۍ جلدtage حد	ډي سي ۱۲ ولټه - ۲۴ ولټه
د سپیکر مخنیوی	4-8Ω
Speaker Power Compatibility	۱۷۶۰ واټه - ۱۷۸۰ واټه
بلوتوث نسخه	5.0
د آډیو معلومات	Bluetooth, AUX (3.5mm)
ابعاد (L x W x H)	3.54 x 2.36 x 0.83 انچه (9 x 6 x 2.1 سانتي متره)
د توکي وزن	4.2 اونس (119 ګرامه)

Diagram showing the compact dimensions of the ZK-502MT ampلایف بورډ

Image 6.1: Physical dimensions of the ZK-502MT ampلایف بورډ

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. ستونزه حل کول

ستونزه	احتمالي لامل	د حل لاره
د غږ تولید نشته	Incorrect speaker wiring. Low volume setting. د ننوتلو ناسم حالت غوره شوی. Faulty audio source or cable. د بریښنا رسولو مسله.	Check speaker polarity (+/-) and ensure secure connections. Increase the volume knob on the ampژوندی کوونکی او ستاسو د آډیو سرچینه. Ensure the correct input (Bluetooth/AUX) is active. د بل آډیو سرچینې یا کیبل سره ازموینه وکړئ. Verify power supply is connected and within 9-24V DC range.
بلوتوث نه نښلي	Ampلایفیر د جوړه کولو حالت کې نه دی. وسیله ډیره لرې ده ampلايف د بلوتوث مداخله. Previous connection issue.	ډاډ ترلاسه کړئ amplifier is powered on and ready for pairing. خپل وسیله نږدې ته واړوئ amplifier (within 16.4 feet/5 meters). نږدې نور بلوتوث وسایل بند کړئ. Forget "ZK-502MT" on your device's Bluetooth settings and try pairing again.
د غږ تحریف یا خراب کیفیت	حجم ډیر لوړ. Incompatible speakers. ناکافي بریښنا رسول. د غږ سرچینې ضعیف کیفیت.	په دواړو کې حجم کم کړئ ampلایفیر او آډیو سرچینه. 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). د لوړ کیفیت آډیو سرچینې سره ازموینه وکړئ.
Amplifier board gets hot	High volume or prolonged use. ناکافي هوا ورکول. 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. ساتنه

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

پاکول: 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.
د دوړو لرې کول: Periodically use compressed air to remove dust from the heat sink and other components to maintain proper cooling.
ذخیره کول: که ذخیره کول 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.
سمبالول: Always handle the board by its edges to avoid touching sensitive components or causing static discharge.

9. تضمین او ملاتړ

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

تضمین: دا محصول د الف سره راځي د 36 میاشتو تضمین د پیرود نیټې څخه، د تولید نیمګړتیاوې پوښي. مهرباني وکړئ د تضمین ادعاوو لپاره د پیرود ثبوت وساتئ.
د پیرودونکو خدمت: For any questions, technical assistance, or warranty inquiries, please contact Daakro customer support.
آنلاین ملاتړ: 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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Daakro ZK-502MT