Įvadas
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.
Produkto savybės
- Aukšta garso kokybė: 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).
- Bluetooth 5.0 ryšys: Offers seamless wireless connection with a range of over 15 meters in unobstructed environments.
- Tvirta apsauga: Apima overvoltage, nesuprantamatage, overheating, DC detection, and short circuit protection for enhanced safety and durability.
- Wide Speaker Compatibility: Adaptable to 10-100W, 4-8Ω speakers.
- Lankstus maitinimo šaltinis: Operates with a DC power supply ranging from 9V to 24V.
- Kompaktiškas dizainas: Measures 60x60x29mm, making it suitable for various applications and portable setups.
Pakuotės turinys
Įsitikinkite, kad pakuotėje yra visi komponentai:
- ZK-502H Ampgelbėtojų lenta
- Top and Bottom Acrylic Plates
- Tūrio rankenėlė
- Šilumos kriauklė
- Atsuktuvas
- Mounting Hardware (screws, standoffs)
- Nuolatinės srovės maitinimo adapterio laidas
Image: All components included with the ZK-502H amplifier board, laid out for assembly.
Sąrankos instrukcijos
1. Assembly (Optional, if not pre-assembled)
- Attach the heat sink to the main chip on the ampkėlimo lenta.
- Apsaugokite amplifier board between the two acrylic plates using the provided standoffs and screws.
- Install the volume knob onto the potentiometer shaft.
2. Maitinimo prijungimas
- Užtikrinti, 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.
- Svarbu: Naudojant didesnį tūrįtage within the specified range (e.g., 24V) is recommended for achieving higher power output.
3. Garsiakalbio prijungimas
- 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. Garso įvesties jungtis
Pasirinkite vieną iš šių garso įvesties metodų:
- 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.
Vaizdas: Viršus view of the ZK-502H amplifier board, highlighting the AUX IN, Bluetooth, USB IN, DC IN, and speaker output terminals.
Naudojimo instrukcijos
1. Maitinimo įjungimas/išjungimas
- 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 ampgyvesnis.
2. Garsumo valdymas
- Rotate the large silver knob clockwise to increase volume.
- Rotate the large silver knob counter-clockwise to decrease volume.
3. Įvesties režimo pasirinkimas
The amplifier automatically detects the input source. If multiple sources are connected, it will prioritize them or switch based on activity.
- „Bluetooth“ režimas: Įjungus, amplifier will enter Bluetooth pairing mode. A voice prompt will confirm "Bluetooth Mode".
- AUX režimas: If an AUX cable is connected and playing audio, the amplifier will switch to AUX input.
- USB režimas: If a USB flash drive is inserted or connected to a computer, the amplifier will switch to USB input.
4. „Bluetooth“ poravimas
- Užtikrinti, 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.
Specifikacijos
| Produkto modelis | ZK-502H |
| Lustų sprendimas | TPA3116D2 (with AM interference suppression) |
| Garso įvestis | Bluetooth 5.0, AUX (3.5mm), USB Flash Drive, Computer USB Sound Card |
| Maitinimo šaltinis | DC 9-24V |
| Išėjimo galia (maks.) | 50W + 50W (at 24V, 4Ω) |
| Garsiakalbio varža | 4-8Ω |
| Garsiakalbio galia | 10-100W |
| Kanalų skaičius | 2.0 Stereo (Left and Right) |
| Bluetooth versija | 5.0 |
| Bluetooth diapazonas | >15 meters (unobstructed) |
| Apsaugos mechanizmai | Overvoltage, Undervoltage, Overheating, DC Detection, Short Circuit Protection |
| Gaminio matmenys | 60 x 60 x 29 mm |
| Produkto svoris | Approximately 104g (including packaging) |
Power Output Table:
| Maitinimo šaltinis, ttage | 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 |
Priežiūra
- Laikykite ampPakelkite plokštę švarią ir be dulkių. Valymui naudokite minkštą, sausą šluostę.
- Saugokite įrenginį nuo drėgmės, ekstremalių temperatūrų ar tiesioginių saulės spindulių.
- Ensure proper ventilation to prevent overheating, especially during prolonged use at high volumes.
- Nebandykite išardyti ar modifikuoti amplifier beyond the initial assembly steps, as this may void any potential warranty and could cause damage.
Trikčių šalinimas
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Nėra garso išvesties. |
|
|
| „Bluetooth“ įrenginio nepavyksta susieti. |
|
|
| Iškraipytas garsas. |
|
|
Garantija ir palaikymas
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.
Gamintojas: EC Buying
Modelis: ZK-502H