1. Ievads
This manual provides detailed instructions for the proper installation, operation, and maintenance of your DROK Class AB Amplifier 2.1 Channel Audio Amplifier Board. This amplifier is designed to deliver 2x80W stereo output and 1x120W pure bass output, operating within a DC 9-18V power supply range. Please read this manual thoroughly before using the product to ensure optimal performance and safety.
2. Drošības informācija
- Nodrošiniet strāvas padeves apjomutage is within the specified range of DC 9-18V. Exceeding this range may damage the device.
- Observe correct polarity when connecting the power supply to prevent reverse-connect damage. The board includes input anti reverse-connect protection, but caution is still advised.
- Avoid short-circuiting the output terminals. The amplifier features output short circuit protection.
- Nedarbiniet amplifier in excessively hot or humid environments. The device has over temperature protection (OTP).
- Sargājiet ierīci no ūdens un citiem šķidrumiem.
- Nemēģiniet izjaukt vai pārveidot ierīci amplifier board. Unauthorized modifications void the warranty and can lead to malfunction or injury.
- Ensure proper ventilation around the heatsink during operation to prevent overheating.
3. Produkta īpašības
- Darba sējtage: DC 9-18V
- Izejas jauda: Max 2x80W Stereo (18V/4Ω), 1x120W Pure Bass (18V/2Ω)
- Kanāli: 2.1 Channels (Stereo + Subwoofer)
- Ieteicamie skaļruņi: 2/4/6/8Ω
- Input Methods: 3.5mm Audio Input or 3P_2.54mm Terminal Input
- Aizsardzības līdzekļi: Input Anti Reverse-Connect Protection, Output Short Circuit Protection, Over Current Protection (OCP), Over Temperature Protection (OTP).
- Audio kvalitāte: Designed to eliminate background noise for clear sound.
- Sastāvdaļas: Features four 3300UF professional audio filter capacitors, a vehicle-level amplifier chip, gold-plated audio input terminal, and a pure black sealing potentiometer.
4. Specifikācijas
| Parametrs | Vērtība |
|---|---|
| Darba sējtage | Līdzstrāva 9–18 V |
| Maximum Output Power (Stereo) | 2x80W (18V/4Ω) |
| Maximum Output Power (Pure Bass) | 1x120W (18V/2Ω) |
| Ieteicamā skaļruņa pretestība | 2/4/6/8Ω |
| Ievades metode | 3.5mm Audio Input or 3P_2.54mm Terminal Input |
| Aizsardzības līdzekļi | Input Anti Reverse-Connect, Output Short Circuit, Over Current (OCP), Over Temperature (OTP) |
| PCB Size (Length*Width) | 72.36 mm * 66.65 mm |
| Overall Size (Radiator Included) | 72.36mm * 96mm * 27mm |
| Potentiometer Rotating Handle Opening | 7 mm |
| Installing Hole Spacing | 25.4mm * 48.26mm (compatible for Bluetooth module spacing) |
| Installing Hole Size | M3 |
| Preces modeļa numurs | 200540 |
5. Sastāvdaļas identifikācija
Refer to the images below for identification of the amplifier board's components and connection points.

5.1. attēls: Kopumā view of the DROK Class AB Amplifier board, showing the main components, heatsink, and the included connection cable.

5.2. attēls: Detalizēti view no amplifier board, highlighting the 3.5mm audio input, 3P_2.54mm terminal input, speaker output terminals (L/R), and subwoofer output terminals.

5.3. attēls: Sānu view with dimensions of the amplifier board, including the heatsink, showing its length, width, and height.

5.4. attēls: No augšas uz leju view no amplifier board with detailed measurements for PCB dimensions and mounting hole spacing.
6. Iestatīšanas instrukcijas
- Barošanas avota savienojums: Connect a DC 9-18V power supply to the "DC12-18V" terminals on the board. Ensure correct polarity: '+' to positive, '-' to negative.
- Skaļruņu savienojumi:
- Connect your stereo speakers (Left and Right) to the "Speaker" terminals. Ensure correct polarity for each speaker.
- Connect your subwoofer to the "Sub+ Sub-" terminals.
- Recommended speaker impedance is 2/4/6/8Ω.
- Audio ieejas savienojums: Izvēlieties vienu no šīm metodēm:
- 3.5 mm audio ieeja: Connect your audio source (e.g., smartphone, MP3 player, computer) to the 3.5mm audio jack on the board.
- 3P_2.54mm Terminal Input: Alternatively, use the 3P_2.54mm terminal for audio input, connecting Left, Right, and Ground signals from your source.
- Sākotnējā ieslēgšana: After all connections are secure, apply power to the amplifier. A green LED may illuminate, indicating power.
6.1. video: An instructional video demonstrating the connection process for the amplifier board. This video shows how to connect power, audio input, and speakers to the DROK Class AB Amplifier. If the video does not load, please ensure your browser supports HLS streaming.
7. Lietošanas instrukcijas
- Skaļuma kontrole: The amplifier features a single potentiometer for volume control. Rotate the knob clockwise to increase volume and counter-clockwise to decrease volume.
- Audio atskaņošana: Start playing audio from your connected source. Adjust the volume to your desired listening level.
- Skaņas balanss: The amplifier provides a balanced mix for stereo and subwoofer outputs. There are no independent controls for subwoofer or stereo channels on this board.
8. Apkope
- Tīrīšana: Tīrīšanai izmantojiet mīkstu, sausu drānu amplifier board. Do not use liquid cleaners or solvents.
- Ventilācija: Ensure the heatsink remains free of dust and obstructions to maintain proper cooling. Periodically check for dust buildup and gently remove it with compressed air if necessary.
- Savienojumi: Periodically check all connections (power, audio, speakers) to ensure they are secure and free from corrosion.
- Uzglabāšana: Ja uzglabājat amplifier for an extended period, disconnect it from the power supply and store it in a dry, dust-free environment.
9. Traucējummeklēšana
| Problēma | Iespējamais cēlonis | Risinājums |
|---|---|---|
| Nav skaņas izvades |
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| Izkropļota skaņa |
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| AmpLifer kļūst karsts |
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10. Garantija un atbalsts
DROK nodrošina 1-year long-term warranty guarantee from the date of purchase for this product. This warranty covers manufacturing defects and malfunctions under normal use.
For technical support, warranty claims, or any questions regarding your DROK Class AB Amplifier, please contact DROK customer service through the retailer where the product was purchased or visit the official DROK webvietne kontaktinformācijai.
Lūdzu, saglabājiet pirkuma apliecinājumu garantijas apstiprināšanai.





