DAJUNGUO S600X
DAJUNGUO S600X 2.1 Channel AmpLifier Board Instruction Manual
Model: S600X
1. Fampidirana
Thank you for choosing the DAJUNGUO S600X 2.1 Channel AmpBiraon'ny fanamafisam-peo. Ity feo avo lenta ity amplifier is designed to deliver powerful and clear sound for your home audio setup. Featuring dual TPA3255 chips, Bluetooth 5.2 connectivity, and multiple input options, it offers versatility and robust performance. Please read this manual carefully to ensure proper installation and operation.

Figure 1: DAJUNGUO S600X 2.1 Channel AmpLifier Board
2. Information momba ny fiarovana
- Ataovy azo antoka ny famatsiana herinaratra voltage is within the specified range (DC 19-51V) to prevent damage.
- Aza atao amin'ny hamandoana, rano, na mari-pana tafahoatra ny fitaovana.
- Fadio ny faneriterena fohy ny terminal output.
- Arovy amin'ny fitaovana mora mirehitra ilay fitaovana.
- Aza manandrana manala na manamboatra ny fitaovana samirery. Mifandraisa amin'ny mpiasa mahafeno fepetra hahazoana fanamboarana.
- Hamarino tsara ny rivotra mba hisorohana ny hafanana be loatra.
3. Toetran'ny vokatra
- Multiple Input Methods: Supports Bluetooth, AUX (3.5mm), USB flash drive, and USB sound card inputs, compatible with various devices like mobile phones, televisions, and laptops.
- Dual TPA3255 Chip: Equipped with two TPA3255 chips for stereo 2.1 channel output, delivering a maximum power of 300W * 2 + 600W.
- Wide Voltage Ampidiro: Operates with a DC input range of 19-51V.
- Upgraded DC Socket: Features a gold-plated high-current shielded DC socket (5.5 * 2.5mm) designed to prevent sparks during power connection.
- Fiarovana feno: Includes short-circuit protection, over-current protection, over-heat protection, and anti-reverse protection to ensure safe operation.

Figure 2: Dual TPA3255 Chip and Upgraded Terminal
4. Fametrahana
4.1 Fampifandraisana herinaratra
Connect a DC power supply (19-51V, 10A or above recommended) to the gold-plated DC socket on the amplifier board. Ensure correct polarity (+/-) to avoid damage. The upgraded socket is designed to prevent sparks.
4.2 Fifandraisana amin'ny mpandahateny
Connect your speakers to the appropriate terminals:
- Left & Right (L&R) Speakers: Connect passive speakers with an impedance of 4-8Ω.
- Subwoofers: Connect a passive subwoofer with an impedance of 2-8Ω.
4.3 Fampidirana Audio
The S600X supports multiple audio input methods:
- Fampidirana Bluetooth: Pair your device via Bluetooth 5.2.
- AUX Input: Use a 3.5mm audio cable to connect to devices like mobile phones, TVs, or laptops.
- USB Flash Drive Input: Insert a USB flash drive (FAT32 format, ≤32GB) containing audio files.
- USB Sound Card: Connect via USB to a computer to use the amplifier as an external sound card.

Figure 3: Connections and Controls Overview

Figure 4: Multiple Input Methods
4.4 Bluetooth Antenna (Optional)
For optimal Bluetooth range and stability, an external IPEX(MHF1) antenna can be connected. This needs to be purchased separately.

Figure 5: Available Antenna Specifications
5. Torolàlana miasa
5.1 Power On/off
Long press the multifunctional knob to power the unit on or off.
5.2 Fantenana fampidirana
Press the multifunctional knob four times to cycle through the input modes (Bluetooth, AUX, USB). The input mode indicator light (USB, AUX, Bluetooth) will illuminate accordingly.
5.3 Volume and Tone Controls
Adjust the following knobs to customize your audio experience:
- SUB-FREQ: Adjusts the subwoofer crossover frequency.
- SUB-VOL: Controls the subwoofer volume.
- L&R BASS: Adjusts the bass level for the left and right channels.
- L&R TREBLE: Adjusts the treble level for the left and right channels.
- L&R VOL: Controls the overall volume for the left and right channels.
5.4 Multifunctional Knob Operations
The central knob provides quick control over playback and settings:
- Tsindrio: Play / Pause
- Tsindrio roa: Hira manaraka
- Tsindrio telo: Hira teo aloha
- Tsindrio efatra: Switch Mode (Input)
- Tsindrio dimy: Factory Reset
- Gazety lavabe: Hery ON / OFF

Figure 6: Multifunctional Knob and Input Indicators
6. Fikojakojana
- Tazony ny ampMadio sy tsy misy vovoka ny takelaka fandrefesana. Mampiasà lamba malefaka sy maina hanadiovana.
- Ensure adequate airflow around the unit to prevent overheating. Do not block the cooling fan.
- Avoid placing heavy objects on the ampsolaitrabe.
- Tehirizo ao amin'ny toerana mangatsiatsiaka sy maina rehefa tsy ampiasaina mandritra ny fotoana maharitra.
7. Famahana olana
- Tsy misy hery: Check if the DC power supply is correctly connected and providing the required voltage (19-51V). Ensure the power adapter is functional.
- Tsy misy feo mivoaka: Verify all speaker connections are secure. Check the audio input source and ensure the correct input mode is selected. Adjust volume levels.
- Feo diso: Reduce the volume. Check if the speaker impedance matches the amplifier's specifications. Ensure the power supply is sufficient and stable.
- Olan'ny fifandraisana Bluetooth: Ataovy azo antoka ny amplifier is in Bluetooth mode and your device's Bluetooth is enabled. Try forgetting the device on your phone and re-pairing.
- Unit Shuts Down Unexpectedly: This may indicate activation of the protection functions (over-current, over-heat, short-circuit). Reduce the load, check for short circuits in wiring, and ensure proper ventilation.
8. Famaritana
| endri-javatra | famaritana |
|---|---|
| Audio Input | Bluetooth + AUX + USB |
| Fampidirana Voltage | DC 19-51V / 10A or Above |
| Chip | Dual TPA3255 Chip |
| Bluetooth Version | 5.2 |
| USB Decoding Format | WAV FLAC APE MP3 |
| Adapted Speaker (L&R) | 4-8Ω |
| Adapted Speaker (Subwoofer) | 2-8Ω |
| Output Power (L&R Channels) | ≤300W |
| Output Power (Subwoofer) | ≤600W |
| Haben'ny vokatra | 4.92 * 4.84 * 1.69 santimetatra (125 * 123 * 43mm) |
| Lanja vokatra | 490g |
| Famadihana feo Bluetooth | AAC, SBC |
8.1 Power Output Comparison Table (@1kHz)

Figure 7: Power Output Comparison
9. Lahatsary vokatra
9.1 Reliable 2.1 Channel AmpLifer
This video demonstrates the reliable performance of the 2.1 channel amplifier, highlighting its clear and balanced sound output.
9.2 Speaker Setup Demonstration
Watch this video to see a completed speaker setup using the S600X ampsolaitrabe fanalefahana, fampisehoanaasing its integration into an audio system.
9.3 Amplifier Performance Overview
This video highlights the amplifier's performance, demonstrating how it exceeded user expectations in an audio setup.
9.4 Powerful Audio Output
Fampisehoana lahatsary fohyasing the powerful audio capabilities of the S600X ampsolaitrabe.
9.5 User Satisfaction with AmpLifer
This video illustrates user satisfaction with the S600X amplifier, demonstrating its effective performance in an audio setup.
10. Warranty sy fanohanana
The DAJUNGUO S600X Amplifier Board comes with a manufacturer's warranty. For specific warranty details, please refer to the product packaging or contact your retailer. If you encounter any issues or have questions regarding the product, please contact DAJUNGUO customer service. We are committed to providing 7*24 hours after-sales service to ensure customer satisfaction.