1. Kirish
Thank you for choosing the Daakro ZK-302T Bluetooth 5.3 Amplifier Board. This compact 2.0 channel audio amplifier is designed for DIY wireless speaker projects, offering 30W+30W output, precise treble and bass control, and versatile input options including Bluetooth 5.3, USB, and AUX. This manual will guide you through the installation, operation, and maintenance of your amplifier board to ensure optimal performance and longevity.
1-rasm: Daakro ZK-302T Bluetooth 5.3 Amplifier Board. This image shows the compact amplifier board with its three control knobs for treble, bass, and volume, along with the various input and output terminals.
2. Xavfsizlik ma'lumotlari
Ushbu mahsulotdan foydalanishdan oldin barcha xavfsizlik ko'rsatmalarini o'qib chiqing va tushunib oling. Ushbu ko'rsatmalarga rioya qilmaslik elektr toki urishi, yong'in yoki boshqa xavflarga olib kelishi mumkin.
- Elektr ta'minoti voltage is within the specified range of DC 9-24V.
- ni oshkor qilmang amplifier board to moisture, water, or extreme temperatures.
- Chiqish terminallarini qisqa tutashuvdan saqlaning.
- Disconnect power before making any connections or disconnections.
- Bolalar qo'li etmaydigan joyda saqlang.
- Do not attempt to disassemble or modify the board. Refer all servicing to qualified personnel.
- Haddan tashqari issiqlikning oldini olish uchun to'g'ri shamollatishni ta'minlang.
- Ushbu mahsulot faqat bino ichida foydalanish uchun mo'ljallangan.
3. O'rnatish va ulanishlar
Follow these steps to correctly set up your Daakro ZK-302T ampko'taruvchi taxta.
3.1 Paket tarkibi
Paketingizda barcha narsalar mavjudligini tekshiring:
- Daakro ZK-302T Bluetooth Ampumrbod taxta
- Power adapter cable (if included)
- Tornavida
- Mounting hardware (standoffs, screws)
- Heat sink (if not pre-installed)
2-rasm: What's in the Box. This image displays the amplifier board along with included accessories such as a screwdriver, power adapter cable, and mounting hardware.
3.2 Komponentni aniqlash
Familiarize yourself with the various ports and controls on the ampko'taruvchi taxta.
3-rasm: Component Identification. This diagram highlights key components including the power input, USB input, AUX input, left and right channel outputs, and the treble, bass, and volume control knobs.
- Power Input (DC 9-24V): Connect your DC power supply here.
- USB usuli: For audio input from a USB source.
- AUX Input (3.5mm Jack): For wired audio input from devices like phones or PCs.
- Left Channel Output (L+ L-): Connect to your left speaker.
- Right Channel Output (R+ R-): Connect to your right speaker.
- Treble nazorati: Rotate to adjust high-frequency audio.
- Bass nazorati: Rotate to adjust low-frequency audio.
- Ovozni boshqarish: Rotate to adjust overall audio output level.
3.3 Dinamiklarni ulash
- ni ta'minlash amplifier board is powered off.
- Connect your speakers (4-8Ω, 20-200W) to the corresponding Left (L+ L-) and Right (R+ R-) channel output terminals. Ensure correct polarity (+ to + and - to -).
- Tighten the terminal screws to secure the speaker wires.
3.4 Quvvatga ulanish
- Connect a DC power supply (9-24V) to the power input terminal.
- Ensure the power supply provides sufficient current for your speakers. Refer to the "Power Output Comparison Table" in Section 4.3 for optimal power matching.
4. Foydalanish bo'yicha ko'rsatmalar
4.1 Powering On and Input Selection
- Once speakers and power are connected, turn on the power supply. The amplifier board will automatically enter Bluetooth pairing mode.
- The board supports three audio input modes: Bluetooth, USB, and AUX. The board will automatically switch to the last active input or prioritize a newly connected input.
4-rasm: Multiple Audio Input Modes. This image illustrates the three input options: Bluetooth, 3.5mm AUX, and USB, and shows compatible devices like mobile phones, tablets, and computers.
4.2 Bluetooth ulanishi
- ni ta'minlash amplifier board is powered on and in Bluetooth mode.
- On your mobile device (phone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "ZK-302T" from the list of devices to pair. No password is required.
- Once paired, you will hear a confirmation tone, and the Bluetooth indicator light (if present) will stabilize.
- The Bluetooth connection range is approximately 16.4 feet (5 meters).
5-rasm: Bluetooth Connection. This image shows a smartphone connected via Bluetooth to the ZK-302T amplifier board, indicating a wireless range of up to 16.4 feet (5 meters).
4.3 Adjusting Audio
- Ovozni boshqarish: Rotate the VOLUME knob to increase or decrease the overall sound level.
- Treble nazorati: Rotate the TREBLE knob to adjust the high-frequency response. Turn clockwise for more treble, counter-clockwise for less.
- Bass nazorati: Rotate the BASS knob to adjust the low-frequency response. Turn clockwise for more bass, counter-clockwise for less.
4.4 Power Output Considerations
Optimal audio output requires a suitable power supply and speaker impedance. The table below illustrates the approximate output power based on input voltage and speaker impedance.
6-rasm: Power Output Comparison Table. This table details the R&L channel output power at 1KHz for various input voltages (12V, 15V, 19V, 24V) and speaker impedances (4Ω, 8Ω).
Important Note: There must be enough voltage and current input to achieve the rated power output. Higher voltage and current generally result in higher power. For the same conditions, a smaller speaker impedance will yield greater power.
5. Xizmat ko'rsatish
- Tozalash: Tozalash uchun yumshoq, quruq matodan foydalaning ampSuyuq tozalagichlar yoki erituvchilardan foydalanmang.
- Saqlash: Qurilmani to'g'ridan-to'g'ri quyosh nuri va haddan tashqari haroratdan uzoqda, salqin va quruq joyda saqlang.
- Ventilyatsiya: Ensure the board has adequate airflow to prevent overheating, especially during prolonged use at high volumes.
- Ulanishlar: Periodically check all connections for tightness and ensure no wires are frayed or exposed.
6. Muammolarni bartaraf qilish; nosozliklarni TUZATISH
If you encounter issues with your Daakro ZK-302T amplifier board, refer to the following common problems and solutions.
| Muammo | Mumkin sabab | Yechim |
|---|---|---|
| Ovoz chiqishi yo'q |
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| Buzilgan ovoz |
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| Bluetooth ulanishi bilan bog'liq muammolar |
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| Haddan tashqari qizib ketish |
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7. Texnik shartlar
| Xususiyat | Tafsilot |
|---|---|
| Model raqami | ZK-302T |
| Chiqish quvvati | 30W + 30W (2.0 Channel) |
| Ampko'taruvchi chip | Dual TPA3110D2 HiFi Chip |
| Bluetooth versiyasi | 5.3 |
| Kirish hajmitage | DC 9-24V |
| Ovozli yozuvlar | Bluetooth, USB, AUX (3.5mm) |
| Dinamik empedansi | 4-8 Ō |
| Recommended Speaker Power | 20-200 Vt |
| Mahsulot o'lchamlari (U x G x Y) | 4.33 x 2.76 x 1.97 dyuym |
| Og'irligi | 3.53 untsiya |
| Himoya mexanizmlari | Haddan tashqari jildtage, Under-tomtage, Over-temperature, Short-circuit, Reverse connection |
8. Kafolat va qo'llab-quvvatlash
The Daakro ZK-302T Bluetooth 5.3 Amplifier Board comes with a 30 kunlik qaytarish/almashtirish siyosati from the date of purchase. This warranty covers manufacturing defects and issues arising from normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper installation.
For technical support, warranty claims, or any questions regarding your product, please contact Daakro customer service through the platform where you purchased the product. Please have your purchase details and model number (ZK-302T) ready.
