1. Fampidirana
The DAJUNGUO T220HS is a high-performance 2.0 channel HiFi Bluetooth amplifier board designed to deliver exceptional audio quality. Featuring the imported TPA3251D2 chip, it provides a powerful output of 220W + 220W. This amplifier supports multiple input modes including Bluetooth 5.2, 3.5mm AUX, and USB, making it versatile for various audio sources. It also offers independent bass and treble tone adjustments for a personalized listening experience. This manual provides essential information for the safe and effective use of your T220HS ampsolaitrabe.
2. Torolàlana manan-danja momba ny fiarovana
- Vakio tsara ny toromarika rehetra alohan'ny hampiasana ilay fitaovana.
- Aza atao amin'ny orana, ny hamandoana, na ny hafanana tafahoatra ny fitaovana.
- Ensure proper ventilation to prevent overheating. Do not block any ventilation openings.
- Use only the specified DC 12-36V power supply. Using an incorrect voltage can damage the device and void the warranty.
- Disconnect the power supply before making any connections or performing maintenance.
- Aza manandrana manokatra na manamboatra ilay fitaovana. Alefaso amin'ny mpiasa mahay ny serivisy rehetra.
- Arovy amin'ny ankizy.
3. Ny votoatin'ny fonosana
Azafady, jereo ny fonosana ho an'ireto zavatra manaraka ireto:
- 1x DAJUNGUO T220HS Bluetooth AmpLifier Board
Note: Power supply and audio cables are NOT included and must be purchased separately.
4. Famaritana
Image: Detailed specifications and power output table.
| endri-javatra | Description |
|---|---|
| Bluetooth Version | 5.2 |
| Chip | Dual TPA3251D2 |
| Audio Output | Stereo / 2.0 Channel |
| Herin'aratra | DC 12-36V / 8A na mihoatra |
| Audio Input | Bluetooth, 3.5mm AUX, USB Input |
| Salan'ny Frequency | 20Hz - 20KHz |
| Decoding Format (USB) | WAV, FLAC, APE, MP3 (Sampling rate: 44100Hz, Bit rate: 1411kbps) |
| Mekanisma fiarovana | Overvoltage, Undervoltage, Tapahana, Faribolana fohy, Hafanana tafahoatra |
| Featured Feature | Support for APP control |
| Haben'ny vokatra | 5.51 x 3.54 x 1.41 santimetatra (140 x 93 x 36 mm) |
| Op-Amps | 4x TI NE5532 (replaceable, compatible with JRC5532DD) |
| Capacitors | 8 large-capacity black gold, 10 Ina purple robe fever capacitors |
| BOKYtage | Impedance | Output Power (R&L Channel) |
|---|---|---|
| 12V | 8Ω | 10W+10W |
| 4Ω | 20W+20W | |
| 24V | 8Ω | 30W+30W |
| 4Ω | 70W+70W | |
| 36V | 8Ω | 80W+80W |
| 4Ω | 160W+160W | |
| 3Ω | 220W+220W |
5. Torolàlana fananganana
Follow these steps to set up your DAJUNGUO T220HS ampsolaitrabe fanalefahana:
Sary: Amplifier board highlighting input ports and DC socket.
- Connect Speakers: Connect your passive speakers to the 'SPEAKERS' terminals on the amplifier board. Ensure correct polarity (positive to positive, negative to negative) for each channel (R&L).
- Ampifandraiso ny fidirana feo: Fidio ny fomba fampidirana feo tianao:
- 3.5mm AUX Input: Connect an audio source (e.g., computer, TV, MP3 player) to the 3.5mm AUX input jack using a 3.5mm audio cable.
- Fampidirana USB: Insert a USB flash drive (FAT32 format, ≤32GB) containing audio files (MP3, FLAC, WAV, APE) into the USB port. The amplifier can also function as a USB sound card when connected to a computer.
- Fampidirana Bluetooth: No physical connection needed. Bluetooth pairing will be covered in the 'Operation' section.
- Connect famatsiana herinaratra: Connect a DC 12-36V / 8A or above power adapter (not included) to the 'POWER DC 12-36V' input socket. The upgraded DC socket is designed for safer and more reliable connection.
- Herim-batana: Once all connections are secure, long press the Multifunction Knob to switch on the ampLifer.
6. Fampandehanana
Sary: Amplifier board front panel with Bluetooth 5.2 features.
Image: Multifunctional Knob operations.
6.1. Multifunction Knob Controls
The main knob on the amplifier board serves multiple functions:
- Kitiho tokana: Pause / Play audio.
- Tsindrio indroa: Mandalo amin'ny hira manaraka.
- Tsindry telo sosona: Miverena amin'ilay hira teo aloha.
- Tsindrio efatra: Switch between input modes (Bluetooth, AUX, USB).
- Tsindrio dimy: Activate / Disable APP function (if applicable).
- Six Clicks: Avereno ny firafitry ny orinasa.
- Gazety lavabe: Switch on / off (low power standby).
6.2. Volume and Tone Adjustment
- Tahony fanamafisam-peo (VOL): Rotate clockwise to increase volume, counter-clockwise to decrease.
- Bass Knob (BASS): Adjusts the low-frequency output. Rotate to increase or decrease bass levels.
- Treble Knob (TREBLE): Adjusts the high-frequency output. Rotate to increase or decrease treble levels.
6.3. Pairing Bluetooth
Mba hampifandray ny fitaovanao amin'ny Bluetooth:
- Ataovy azo antoka ny amplifier is powered on and set to Bluetooth input mode (use four clicks on the Multifunction Knob if needed).
- Ao amin'ny fitaovanao misy feo (finday avo lenta, takelaka, sns.), alefaso ny Bluetooth ary tadiavo ireo fitaovana misy.
- Fidio ny amplifier's Bluetooth name (e.g., 'T220HS' or a custom name if set) from the list.
- If prompted, enter the Bluetooth password (if one has been set).
- Rehefa mifandray dia halefa amin'ny alalan'ny ampLifer.
7. Fikojakojana
- Fanadiovana: Mampiasà lamba malefaka sy maina hanadiovana ny velaran'ny amplifier board. Do not use liquid cleaners or abrasive materials.
- fitahirizana: Rehefa tsy ampiasaina mandritra ny fotoana maharitra dia tehirizo ny amplifier in a cool, dry place away from direct sunlight and moisture.
- rivotra: Ataovy azo antoka ny amplifier has adequate airflow around it during operation to prevent overheating.
- Fanoloana singa: The TI NE5532 op-amps are designed to be replaceable. If you wish to upgrade or replace them, ensure you use compatible components and follow proper anti-static procedures.
8. Famahana olana
If you encounter issues with your T220HS amplifier, jereo ireto olana sy vahaolana mahazatra manaraka ireto:
- Tsy misy hery:
- Ensure the DC power adapter is correctly connected and providing 12-36V.
- Jereo raha miasa ny fivoahana herinaratra.
- Long press the Multifunction Knob to ensure the device is not in low power standby.
- Tsy misy feo mivoaka:
- Verify that speakers are correctly connected to the 'SPEAKERS' terminals with correct polarity.
- Check the volume level on both the amplifier sy ny loharanon-peonao.
- Ensure the correct input mode is selected (Bluetooth, AUX, or USB) using four clicks on the Multifunction Knob.
- Raha mampiasa AUX ianao dia ataovy izay hahazoana antoka fa tafiditra tsara ny tariby audio ary miasa tsara.
- If using USB, ensure the flash drive is FAT32 format, ≤32GB, and contains supported audio files.
- Tsy mifandray/mifampitohy ny Bluetooth:
- Ataovy azo antoka ny amplifier is in Bluetooth input mode.
- Make sure Bluetooth is enabled on your audio device and it's within range.
- Try forgetting the device on your audio source and re-pairing.
- If a password is set, ensure it's entered correctly.
- Feo diso:
- Ahena ny feo amin'ny roa tonta amplifier sy ny loharanon-peo.
- Hamarino ny fifanarahan'ny impedance-n'ny haut-parleur amin'ny amplifier's output capabilities (refer to Specifications table).
- Ataovy azo antoka fa mifandray tsara ny tariby audio ary tsy simba.
9. Torohevitra ho an'ny mpampiasa
- For optimal sound quality, use a high-quality DC power supply with sufficient current (8A or above is recommended).
- Experiment with the Bass and Treble knobs to find the sound profile that best suits your speakers and listening preferences.
- When using the USB input, ensure your flash drive is formatted to FAT32 and contains compatible audio files for seamless playback.
- Consider using the APP control feature (if available) for additional functionalities and convenience.
10. Warranty sy fanohanana
Raha misy fanontaniana, fanohanana ara-teknika, na fangatahana fiantohana, dia mifandraisa mivantana amin'ny mpivarotra na mpanamboatra. Tazomy ho porofon'ny fividiananao ny rosia fividiananao.