1. Sarrera
Thank you for choosing the Sunbuck 5-Channel Digital Karaoke Surround Power Amplifier. This manual provides essential information for the safe and efficient operation of your amplifatzailea. Mesedez, irakurri arretaz erabili aurretik eta gorde etorkizunean erreferentzia gisa.
Hau amplifier is designed for household use, offering high-power audio output, professional karaoke features, digital media playback via USB/SD card, Bluetooth connectivity, and subwoofer support for a 5.1 channel surround sound experience.
2. Ereduen aldaerak
The Sunbuck amplifier series includes several models with varying features. Please identify your specific model:
- A = AV-888BT: 5.1 kanal amplifier without microphone.
- B = AV-888BT: 5.1 kanal amplifier with rechargeable wireless microphone.
- C = AV-555BT: 5 kanal amplifier without microphone.
- D = AV-555BT: 5 kanal amplifier with rechargeable wireless microphone.
- E = AV-628BT: 5 kanal amplifier without microphone.
- F = AV-628BT: 5 kanal amplifier with rechargeable wireless microphone.
- G = KA-8900: 4 kanal amplifier (with mixer) without microphone.
- H = KA-8900: 4 kanal amplifier (with mixer) with rechargeable wireless microphone.

3. Paketearen edukia
Mesedez, egiaztatu paketea elementu hauek dituen:
- Sunbuck Digital Karaoke Surround Power Amplifier (Your selected model)
- Urruneko Kontrola
- Elikatze-kablea
- Audio Cables (RCA, quantity may vary by model)
- Erabiltzailearen eskuliburua (dokumentu hau)
- Wireless Microphones (if included with your model)

4. Produktua amaitu daview
4.1 Front Panel (AV-888BT/AV-628BT/AV-555BT)
The front panel provides access to various controls and inputs for audio adjustment and media playback.



4.2 Rear Panel (AV-888BT/AV-555BT)
The rear panel houses all the necessary audio input and output connections for your home theater system.


4.3 Urruneko kontrolaren funtzioak
Barneratutako urrutiko aginteari esker, eroso erabili ahal izango duzu ampurrutiko argitzailea.

5. Zehaztapenak
Below are the general specifications for the Sunbuck amplifier series. Specific values may vary slightly by model.
| Ezaugarri | Specification (AV-888BT) | Specification (AV-555BT) | Specification (AV-628BT/KA-8900) |
|---|---|---|---|
| Potentzia nominala | 400W | Main 250W+250W, Surround 100W+100W, Center 100W | 600W |
| Potentzia gailurra | 900W | N/A | 1200W |
| Inpedantzia estandarra | 4-16Ω | 4-16Ω | 4-16Ω |
| Maiztasun Erantzuna | 20Hz-20KHz (±3dB) | N/A | 20Hz-20KHz (±3dB) |
| Seinaleen eta zarataren arteko erlazioa | ≥90dB (A haztatua) | N/A | ≥90dB (A haztatua) |
| Distortsio harmoniko osoa | ≤0.5% (normal operation) | N/A | ≤0.5% (normal operation) |
| Sarrerako sentikortasuna | 200mV (±30MV) | N/A | 200mV (±30MV) |
| Grabaketa Irteera | ≈1V | N/A | ≈1V |
| Irteera Laguntzailea | ≈1V | N/A | ≈1V |
| Bolumen eragileatage | 220V 50Hz | AC 220V | 220V-240V 50Hz |
| Neurriak (L×W×H) | 36x24x11.5cm | 43x24x11cm | 43x30x13cm (including feet) |
| Pisua | 5.5 kg | 4.3 kg | N/A |
| Kanala | 5.1 | 5 | 4 |



6. Konfigurazioa
6.1 Bozgorailu konexioak
Connect your speakers to the corresponding terminals on the rear panel. Ensure correct polarity (positive to positive, negative to negative) for optimal sound quality.
- Main Speakers (FL/FR): Connect your front left and front right speakers.
- Surround Speakers (SL/SR): Connect your surround left and surround right speakers (for 5.1 channel models).
- Zentroko Hizlaria: Connect your center channel speaker (for 5.1 channel models).
- Subwoofer-a: Connect either a powered subwoofer to the dedicated output or an unpowered subwoofer to the appropriate speaker terminals (if available on your model).
6.2 Audio Sarrerako Konexioak
The amplifier supports various audio input sources:
- RCA Audio Inputs (AUX): Use RCA cables to connect devices like DVD players, CD players, computers, or other audio sources to the 'AUDIO INPUT' jacks.
- Sarrera optikoa/koaxiala: Some models (e.g., AV-998BT) feature optical and coaxial inputs for direct connection to TVs or other digital audio sources.
- FM Antena: Connect the FM antenna to the 'FM ANT' terminal for radio reception.
Warning: Audio output from the amplifier is not a power signal. Do not connect it directly to passive speakers or recording devices. Connect to powered speakers or a powered subwoofer. Incorrect connections may damage the equipment.

6.3 Microphone Connections
If your model includes microphone inputs, connect your wired microphones to the 'MIC INPUT' jacks. For models with wireless microphones, ensure they are charged and paired according to their separate instructions.
6.4 Energia-konexioa
Konektatu elikadura kablea amplifier's power input and then to a suitable 220V AC power outlet.
7. Funtzionamendua
7.1 Piztu/Itzali
Press the 'POWER' button on the front panel to turn the ampbiziago edo aktibatuta.
7.2 Sarrera hautatzea
Use the 'INPUT SELECTOR' or 'MODE' button on the front panel or remote control to switch between different audio sources (e.g., AUX, Bluetooth, USB, SD, FM, Optical/Coaxial).
7.3 Bluetooth konexioa
Bluetooth bidez konektatzeko:
- Press the 'BT/USB' button on the front panel until the LED display shows 'BLUE' (Bluetooth mode).
- On your mobile device, search for Bluetooth devices and select the amplifier (e.g., 'BT').
- Behin parekatuta, audioa haririk gabe erreproduzitu dezakezu zure gailutik.

7.4 USB/SD txartelaren erreprodukzioa
Insert a USB drive or SD card into the respective slot on the front panel. The amplifier will automatically detect and play audio files. Use the playback controls (play/pause, previous/next track, loop) on the front panel or remote.

7.5 Karaoke funtzioa
Connect microphones to the MIC INPUTs. Adjust microphone volume, echo, delay, bass, and treble controls to achieve desired vocal effects. The amplifier supports dual microphone output for duets.
7.6 FM Irratia
Switch to FM mode using the input selector. Use the 'FM AUTO TUNE' button on the remote to scan and save available radio stations. You can then use the previous/next track buttons to navigate through saved stations.

7.7 Audioaren doikuntza
Use the 'MUSIC VOL' knob to control the overall music volume. Adjust 'BASS' and 'TREBLE' knobs for music tone control. The 'BALANCE' knob adjusts the left/right channel output. For models with EQ, use the EQ controls for more precise frequency adjustments.
8. Mantentzea
8.1 Garbiketa
Garbitu amplifier's exterior with a soft, dry cloth. Do not use liquid cleaners or solvents, as they may damage the finish or internal components.
8.2 Aireztapena
Ziurtatu aireztapen egokia inguruan amplifier. Do not block the ventilation openings. Overheating can lead to malfunction and reduced lifespan.
8.3 Internal Components (for informational purposes only)
The amplifier features high-quality internal components designed for durability and performance.



9. Arazoak
Arazoren bat izanez gero, jo ezazu honako arazo eta irtenbide ohikoenei:
- Potentziarik gabe: Ensure the power cable is securely connected and the power switch is in the 'ON' position. Check the power outlet.
- Soinurik ez:
- Egiaztatu sarrera-iturri zuzena hautatuta dagoela.
- Check all audio cable connections between the source device and the amplifier, and between the ampargitzailea eta bozgorailuak.
- Ensure speaker wires are correctly connected to the terminals with proper polarity.
- Increase the master volume and individual input/microphone volumes.
- Bluetooth konexio-arazoak:
- Ziurtatu amplifier is in Bluetooth pairing mode ('BLUE' displayed).
- Make sure your mobile device's Bluetooth is enabled and within range.
- Forget the device on your phone and try pairing again.
- USB/SD Card Not Playing:
- Ensure the USB drive or SD card is inserted correctly.
- Egiaztatu audioa dela files formatu onartuan daude.
- Saiatu beste USB unitate edo SD txartel batekin.
- Soinuaren kalitate eskasa/distortsioa:
- Egiaztatu konexio solteak.
- Adjust bass, treble, and balance controls.
- Ensure the input signal is not too strong, causing clipping.
10. Erabiltzaileentzako aholkuak
- For optimal karaoke performance, experiment with the 'ECHO' and 'DELAY' controls to find the perfect vocal effect for your voice.
- When connecting multiple audio sources, remember to switch the input selector to the correct source to hear audio.
- If using wireless microphones, ensure they are fully charged before use for uninterrupted performance.
- Position your speakers strategically for the best surround sound experience, especially for 5.1 channel setups.
11. Maiz egiten diren galderak
- Q: Can I connect my smartphone to this ampbiziagoa?
- A: Yes, all models feature built-in Bluetooth for wireless connection to smartphones and other Bluetooth-enabled devices.
- Q: What kind of speakers can I use with this ampbiziagoa?
- A: The amplifier supports speakers with an impedance of 4-16 ohms. You can connect floor-standing speakers, bookshelf speakers, or karaoke speakers.
- Q: Does it support digital audio input from a TV?
- A: Some models, like the AV-998BT, include optical and coaxial digital audio inputs for direct connection to compatible TVs.
- Q: How do I use the USB/SD card function?
- A: Simply insert a USB drive or SD card containing audio files into the respective slot. The amplifier will automatically switch to USB/SD mode and begin playback.
12. Bermea eta Laguntza
Produktuari buruzko edozein kontsulta, laguntza tekniko edo berme erreklamazio egiteko, jarri harremanetan saltzailearekin edo fabrikatzailearekin zuzenean. Gorde erosketa-agiria erosketaren frogagiri gisa.
Please note that unauthorized repairs or modifications may void your warranty.





