Uvod
The EC Buying ZK-502H is a high-fidelity 2.0 stereo digital power amplifier module designed to deliver clear and powerful audio. Featuring the TPA3116D2 chip, this amplifier board provides 50W+50W output and supports multiple audio input sources including Bluetooth 5.0, AUX, and USB. It is equipped with various protection mechanisms to ensure stable and secure performance.
Lastnosti izdelka
- Zvok visoke kakovosti: Delivers 50W+50W output with the TPA3116D2 chip for crystal-clear stereo sound.
- Multiple Input Sources: Supports Bluetooth 5.0, AUX (3.5mm jack), USB flash drive, and computer USB sound card (plug and play).
- Povezljivost Bluetooth 5.0: Offers seamless wireless connection with a range of over 15 meters in unobstructed environments.
- Robustna zaščita: Vključuje overvoltage, podzvtage, overheating, DC detection, and short circuit protection for enhanced safety and durability.
- Wide Speaker Compatibility: Adaptable to 10-100W, 4-8Ω speakers.
- Prilagodljiv napajalnik: Operates with a DC power supply ranging from 9V to 24V.
- Kompaktna zasnova: Measures 60x60x29mm, making it suitable for various applications and portable setups.
Vsebina paketa
Prosimo, preverite, ali so v vašem paketu prisotne vse komponente:
- ZK-502H Ampdeska za dviganje
- Top and Bottom Acrylic Plates
- Gumb za glasnost
- Heat Sink
- Izvijač
- Pritrdilni material (vijaki, distančniki)
- DC napajalni kabel
Image: All components included with the ZK-502H amplifier board, laid out for assembly.
Navodila za namestitev
1. Assembly (Optional, if not pre-assembled)
- Attach the heat sink to the main chip on the amplifier deska.
- Zavarujte amplifier board between the two acrylic plates using the provided standoffs and screws.
- Install the volume knob onto the potentiometer shaft.
2. Napajalni priključek
- Zagotovite amplifier is switched off and the volume knob is set to minimum.
- Connect a DC power supply (9-24V) to the DC IN port (labeled DC9-24V). Use the provided DC power adapter cable if necessary.
- Pomembno: Z uporabo višje voltage within the specified range (e.g., 24V) is recommended for achieving higher power output.
3. Povezava zvočnika
- Connect your passive speakers to the speaker output terminals (labeled L+, L-, R+, R-).
- Ensure correct polarity: positive (+) to positive, negative (-) to negative for each channel.
- The amplifier supports speakers with an impedance of 4-8Ω and power rating of 10-100W.
4. Avdio vhodna povezava
Izberite enega od naslednjih načinov zvočnega vnosa:
- Bluetooth: No physical connection needed. Proceed to Operating Instructions for pairing.
- AUX: Connect an audio source (e.g., smartphone, MP3 player) to the 3.5mm AUX IN jack using an audio cable.
- USB: Insert a USB flash drive into the USB IN port or connect the amplifier to a computer via USB for use as a sound card.
Slika: Zgoraj view of the ZK-502H amplifier board, highlighting the AUX IN, Bluetooth, USB IN, DC IN, and speaker output terminals.
Navodila za uporabo
1. Vklop/izklop
- Press the ON/OFF button to power on the amplifier. A blue indicator light will illuminate.
- Press the ON/OFF button again to power off the amplifier.
2. Nadzor glasnosti
- Rotate the large silver knob clockwise to increase volume.
- Rotate the large silver knob counter-clockwise to decrease volume.
3. Izbira načina vnosa
The amplifier automatically detects the input source. If multiple sources are connected, it will prioritize them or switch based on activity.
- Način Bluetooth: Ko je vklopljen, se amplifier will enter Bluetooth pairing mode. A voice prompt will confirm "Bluetooth Mode".
- Način AUX: If an AUX cable is connected and playing audio, the amplifier will switch to AUX input.
- Način USB: If a USB flash drive is inserted or connected to a computer, the amplifier will switch to USB input.
4. Bluetooth seznanjanje
- Zagotovite amplifier is powered on and in Bluetooth mode (indicated by a voice prompt).
- On your audio device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
- Select "ZK-502H" from the list of devices to pair.
- Once paired, a voice prompt will confirm the connection. You can now play audio from your device.
Specifikacije
| Model izdelka | ZK-502H |
| Rešitev za čipe | TPA3116D2 (with AM interference suppression) |
| Avdio vhod | Bluetooth 5.0, AUX (3.5mm), USB Flash Drive, Computer USB Sound Card |
| Napajalnik | DC 9-24V |
| Izhodna moč (maks.) | 50W + 50W (at 24V, 4Ω) |
| Impedanca zvočnika | 4-8Ω |
| Moč zvočnika | 10-100 W |
| Število kanalov | 2.0 Stereo (Left and Right) |
| Različica Bluetooth | 5.0 |
| Bluetooth obseg | >15 meters (unobstructed) |
| Zaščitni mehanizmi | Overvoltage, Undervoltage, Overheating, DC Detection, Short Circuit Protection |
| Dimenzije izdelka | 60 x 60 x 29 mm |
| Teža izdelka | Approximately 104g (including packaging) |
Power Output Table:
| Napajanje Voltage | 8Ω Speaker Output | 4Ω Speaker Output |
|---|---|---|
| 12 V | 12 W + 12 W | 20 W + 20 W |
| 15 V | 18 W + 18 W | 30 W + 30 W |
| 19 V | 32 W + 32 W | 40 W + 40 W |
| 24 V | 38 W + 38 W | 50 W + 50 W |
Vzdrževanje
- Obdrži ampdvigalno ploščo očistite in brez prahu. Za čiščenje uporabite mehko, suho krpo.
- Naprave ne izpostavljajte vlagi, ekstremnim temperaturam ali neposredni sončni svetlobi.
- Ensure proper ventilation to prevent overheating, especially during prolonged use at high volumes.
- Ne poskušajte razstavljati ali spreminjati amplifier beyond the initial assembly steps, as this may void any potential warranty and could cause damage.
Odpravljanje težav
| Težava | Možen vzrok | rešitev |
|---|---|---|
| Ni zvoka. |
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| Naprave Bluetooth ni mogoče seznaniti. |
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| Popačen zvok. |
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Garancija in podpora
For product support, technical assistance, or warranty inquiries, please contact EC Buying customer service through the retailer where the product was purchased. Please retain your proof of purchase for any warranty claims.
Proizvajalec: EC Buying
Model: ZK-502H