Dilwe Bluetooth 5.0 Amplifier Board (Model ZK-HT21) User Manual

1. הקדמה

This manual provides detailed instructions for the installation, operation, and maintenance of your Dilwe Bluetooth 5.0 Amplifier Board (Model ZK-HT21). This 2.1 channel stereo power amplifier board is designed for DIY sound systems, offering 160W+160W+220W output with Bluetooth 5.0, AUX, and USB input options. Please read this manual thoroughly before use to ensure proper functionality and safety.

2. זיכערקייַט אינפֿאָרמאַציע

• מאַכט צושטעלן: Use a DC 15-36V power supply. Ensure the voltage is within the specified range to prevent damage.
• פּאָליאַריטעט: Observe correct polarity when connecting the power supply. The board includes anti-reverse protection, but incorrect connection can still cause issues.
• ווענטילאַטיאָן: ענשור טויגן ווענאַליישאַן אַרום די amplifier board, especially around the built-in cooling fan, to prevent overheating.
• רעדנער ימפּידאַנס: Connect speakers with an impedance of 4-8Ω. Using speakers outside this range may affect performance or damage the board.
• קורץ קרייַז: Avoid short circuits on output terminals. The board has short circuit protection, but caution is advised during installation.
• סוויווע: האַלט די ברעט אַוועק פון נעץ, שטויב און עקסטרעמע טעמפּעראַטורן.
• פאַכמאַן ינסטאַלירונג: If you are unfamiliar with electronic components, seek professional assistance for installation.

3. שליסל פֿעיִקייטן

• אַוואַנסירטע שוץ: Features anti-reverse, under-voltage, over-temperature, over-current, and short-circuit protection mechanisms for enhanced safety and durability.
• אינטעגרירטע קאָאָלינג פאָכער: Equipped with an ultra-quiet cooling fan to prevent overheating, ensure stable operation, and prolong the lifespan of the device.
• אַדזשאַסטאַבאַל אַודיאָ קאָנטראָלס: Allows precise adjustment of frequency level, treble, and bass for customized sound output.
• הויך רעזולטאַט מאַכט: Delivers 160W for left channel, 160W for right channel, and 220W for the subwoofer, providing robust audio performance.
• ווערסאַטאַל קאַנעקטיוויטי: Supports AUX, Bluetooth 5.0, and USB input methods for wide compatibility with various audio sources.

פיגורע 3.1: איבערview of the Dilwe Bluetooth 5.0 Amplifier Board and included accessories.

Figure 3.2: The integrated cooling fan ensures optimal temperature regulation.

4. פּעקל אינהאַלט

באַשטעטיקן אַז אַלע זאכן זענען פאַראַן אין פּעקל:

• 1 רענטגענ Ampליבער באָרד
• 1 x אַדאַפּטער
• קסנומקס רענטגענ קאָווער
• 1 x דנאָ טעלער
• 5 x Knob Cover
• 1 x שרויפנ - ציער
• קסנומקס רענטגענ שרויף
• 4 x Short Screw Column
• 4 x Long Screw Column

5. סעטאַפּ אינסטרוקציעס

פֿאָלגט די סטעפּס צו אויפֿשטעלן אייער ampליפער ברעט:

1. Assemble the Casing: Attach the cover and bottom plate to the amplifier board using the provided screws and screw columns. This protects the internal components.
2. ידענטיפיצירן קאַנעקשאַנז: Refer to the diagram below to locate the power input, audio inputs (AUX, BT, USB), and speaker outputs (Left Channel, Right Channel, Subwoofer).
3. פֿאַרבינדן רעדנערס: Connect your 4-8Ω speakers to the corresponding output terminals. Ensure correct polarity (+/-) for each speaker.
4. פֿאַרבינדן אַודיאָ מקור:
   • בלועטאָאָטה: Power on the board, then search for "BT" on your device's Bluetooth settings and pair.
   • AUX: Connect your audio source (e.g., smartphone, MP3 player) to the AUX input using a 3.5mm audio cable.
   • וסב: Connect a USB device for audio input.
5. פאַרבינדן מאַכט: Connect a DC 15-36V power supply to the Power Input (5.5x2.1DC plug or 2P terminal). Ensure the power supply is off before connecting.
6. מאַכט אויף: Once all connections are secure, turn on the power supply. The board is now ready for operation.

Figure 5.1: Connection Diagram and Control Layout. This diagram illustrates the various input/output ports and control knobs on the ampליפיער ברעט.

פיגורע 5.2: דעטאַילעד view of the power input and speaker output terminals.

6. אַפּערייטינג ינסטרוקטיאָנס

After successful setup, operate the amplifier board using the following controls:

פיגורע 6.1: דעטאַילעד view פון די קאָנטראָל קנעפּלעך.

• Total Volume / Switch (MAIN C/VOL): This knob controls the overall volume of the system and also acts as the power switch. Turn clockwise to increase volume, counter-clockwise to decrease. Press to toggle power.
• Left and Right Channel Treble (TRE): Adjust this knob to control the high-frequency response of the left and right stereo channels.
• Left and Right Channel Bass (BASS): Adjust this knob to control the low-frequency response of the left and right stereo channels.
• Subwoofer Volume (VOLUME): Controls the output volume specifically for the subwoofer channel.
• Subwoofer Frequency (FREQ): Adjusts the crossover frequency for the subwoofer, typically ranging from 20-200Hz, allowing you to fine-tune the bass response.
• אַרייַנשרייַב סעלעקציע: The board automatically detects the active input (AUX, BT, USB). Ensure your desired audio source is playing. For Bluetooth, ensure your device is paired.

7. וישאַלט

געהעריקע אויפהאלטונג זיכערט די לאנגעוויטי און אפטימאלע פאָרשטעלונג פון אייער ampליפער ברעט:

• רייניקונג: Gently wipe the board and casing with a dry, soft cloth. Do not use liquid cleaners or solvents. Ensure the device is powered off and disconnected from the power supply before cleaning.
• ווענטילאַטיאָן: Regularly check that the cooling fan and heatsink are free from dust and obstructions. A clogged fan can lead to overheating.
• סטאָרידזש: ווען נישט אין באַנוץ פֿאַר לענגערע צייטן, זאָל מען עס אַוועקלייגן amplifier board in a cool, dry place, away from direct sunlight and extreme temperatures.
• פֿאַרבינדונגען: Periodically check all connections (power, speakers, audio inputs) to ensure they are secure and free from corrosion.

Figure 7.1: Ensure the heatsink and fan remain clear for effective cooling.

8. טראָובלעשאָאָטינג

אויב איר טרעפט פּראָבלעמען, זעט די פאלגענדע געוויינטלעכע פּראָבלעמען און לייזונגען:

9. ספּעסאַפאַקיישאַנז

10. וואָראַנטי און שטיצן

For warranty information or technical support, please refer to the documentation provided with your purchase or contact the manufacturer directly. Keep your purchase receipt as proof of purchase.

Manufacturer: Dilwe