1. Introducció
The Sunbuck Mini Amplifier AS-22BU is a compact and versatile 2-channel stereo amplifier designed to enhance your home audio experience. Despite its small size, it delivers a powerful Max 300Wx2 output (RMS 50Wx2), making it suitable for various indoor and outdoor applications. It features multiple input options including Bluetooth 5.0, RCA, 3.5mm AUX, USB, and FM radio, ensuring broad compatibility with a wide range of audio devices. This manual provides detailed instructions for setup, operation, and maintenance to help you get the most out of your ampmés viu.

Image: The Sunbuck Mini Amplifier AS-22BU is designed for versatile use, providing robust audio in various settings, including outdoor gatherings.

Imatge: El/La amplifier's compact design makes it ideal for various indoor environments such as offices, boardrooms, bedrooms, and balconies.

Image: Its robust performance extends to more dynamic settings like garages, outdoor movie nights, bars, and karaoke parties.
2. Instruccions de seguretat
- Llegiu atentament totes les instruccions abans d'utilitzar ampmés viu.
- Mantenir el amplifier away from water, moisture, and direct sunlight.
- No bloquegeu les obertures de ventilació. Assegureu-vos que hi hagi un flux d'aire adequat al voltant de la unitat.
- Use only the power adapter supplied with the ampmés viu.
- No intenteu reparar o modificar la unitat vosaltres mateixos. Envieu totes les tasques de manteniment a personal qualificat.
- Disconnect the power plug from the outlet during lightning storms or when unused for long periods.
- Eviteu col·locar objectes pesats a sobre ampmés viu.
- Ensure proper speaker impedance (4-16Ω) to prevent damage to the ampmés viu.
3. Contingut del paquet
Si us plau, comproveu el contingut del paquet per assegurar-vos que tots els articles hi són i estan en bon estat:
- Sunbuck Mini Amplifier AS-22BU
- Control remot
- Adaptador d'alimentació 12V 5A
- Antena FM
- Manual d'usuari (aquest document)

Imatge: El/La amplifier unit along with its essential accessories: remote controller, power adapter, and FM antenna.
4. Producte acabatview
4.1 Tauler frontal
The front panel provides access to primary controls and input ports for convenient operation.
- Panell de visualització LED digital: Shows current mode and status.
- Interruptor de mode: Cycles through input modes (Bluetooth, USB, AUX, FM).
- Previous Song / Play/Pause / Next Song Buttons: Media playback controls for USB and Bluetooth modes.
- Botó d'ajust de volum: Controla el volum principal.
- Botó de control de greus: Ajusta el nivell de greus.
- Botó de control d'aguts: Ajusta el nivell dels aguts.
- USB Charging Port (+5V/2A): Per carregar dispositius externs.
- MP3/USB Input Port: For USB flash drives containing MP3 files.

Image: Front panel layout, highlighting the digital LED display, mode switch, media controls, volume, bass, treble knobs, and USB ports.
4.2 Panell posterior
The rear panel houses the main connection ports for speakers and audio sources.
- Entrada d'àudio RCA (E/D): Per connectar fonts d'àudio externes mitjançant cables RCA.
- Entrada AUX de 3.5 mm: For connecting external audio sources via a 3.5mm audio cable.
- Port d'antena FM: For connecting the included FM antenna.
- Left Channel Speaker Output (BTL 4-16Ω): Es connecta a l'altaveu esquerre.
- Right Channel Speaker Output (BTL 4-16Ω): Es connecta a l'altaveu dret.
- Entrada d'alimentació de CC de 12 V/3 A: Es connecta a l'adaptador de corrent.

Image: Rear panel connections, showing RCA and AUX inputs, FM antenna port, speaker terminals, and power input.
5. Configuració
- Connexió de l'altaveu: Connect your passive speakers to the "SPEAKER" terminals on the rear panel. Ensure correct polarity (+ to + and - to -) for both left and right channels. The ampEl lifer admet altaveus amb una impedància de 4-16 Ω.
- Connexió de l'antena FM: Insert the included FM antenna into the "FM.ANT" port on the rear panel for improved radio reception.
- Connexió de font d'àudio:
- Entrada RCA: Connect your audio source (e.g., TV, DVD player, CD player) to the "AUDIO INPUT" RCA ports using an RCA cable.
- Entrada AUX de 3.5 mm: Connect your audio source (e.g., smartphone, tablet, laptop) to the "3.5MM AUX" port using a 3.5mm audio cable.
- Entrada USB: Inseriu una unitat flash USB que contingui àudio MP3 files into the "MP3 INPUT" USB port on the front panel.
- Connexió d'alimentació: Connect the supplied 12V 5A power adapter to the "DC 12V/3A POWER" input on the rear panel, then plug the adapter into a wall outlet.
- Encès: Turn the "VOLUME" knob clockwise to power on the amplifier. The LED display will light up.

Imatge: El/La amplifier supports diverse input methods, allowing connection to various audio sources like USB drives, AUX devices, FM radio, Bluetooth, and CD/DVD players.
6. Instruccions de funcionament
6.1 Selecció del mode d'entrada
Press the "MODE" button on the front panel or the remote control to cycle through the available input modes: Bluetooth (BT), USB, AUX, and FM.
6.2 Funcionament Bluetooth
- Canvia el amplifier to "BT" mode using the "MODE" button. The LED display will show "BLUE" or "BT" and flash, indicating it's ready for pairing.
- Activa el Bluetooth al teu dispositiu d'àudio (telèfon intel·ligent, tauleta, ordinador portàtil).
- Cerca "AS-22" or "AS-22BU" in your device's Bluetooth list and select it to pair.
- Once paired, the LED display will stop flashing, and you can play audio from your device through the ampmés viu.
- Note: Bluetooth range is approximately 40 feet (12 meters). Signal quality may be affected by obstacles.

Imatge: El/La amplifier offers excellent Bluetooth 5.0 compatibility, allowing seamless wireless audio streaming from various devices to your speakers.

Imatge: El/La amplifier is equipped with a Bluetooth 5.0 chip for stable and efficient wireless connectivity.
Reproducció USB 6.3
Insert a USB flash drive into the "MP3 INPUT" port. The amplifier will automatically switch to USB mode and begin playing compatible audio files (MP3 format recommended). Use the Previous/Next Song and Play/Pause buttons to control playback.
6.4 AUX/RCA Input
When an audio source is connected to the 3.5mm AUX or RCA input, switch the amplifier to "AUX" or "LINE" mode. The audio from the connected device will be played through the speakers.

Image: The 3.5mm AUX input provides a convenient wired connection for various audio devices.
6.5 Funcionament de la ràdio FM
Canvia el amplifier to "FM" mode. The amplifier will automatically scan and store available FM stations. Use the Previous/Next Song buttons to navigate through the stored stations.
6.6 Tone and Volume Control
- Pom de volum: Gireu en sentit horari per augmentar el volum, en sentit antihorari per disminuir-lo.
- Pom de baix: Ajusta la sortida de so de baixa freqüència.
- Pom treble: Ajusta la sortida de so d'alta freqüència.
- Comandament a distància: The included remote control can be used for remote volume adjustment and mode selection.

Image: Dedicated knobs for Bass and Treble allow for precise tone control to suit your audio preferences.
7. Manteniment
- Neteja: Utilitzeu un drap suau i sec per netejar-lo amplifier's exterior. Do not use liquid cleaners or aerosols.
- Ventilació: Ensure the ventilation holes are free from dust and debris to prevent overheating.
- Emmagatzematge: Si emmagatzema el amplifier for an extended period, disconnect it from power and store it in a cool, dry place.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | L'adaptador de corrent no està connectat o està defectuós; problema amb la presa de corrent. | Ensure power adapter is securely connected and plugged into a working outlet. Try a different outlet. |
| Sense sortida de so | Incorrect input mode selected; volume too low; speaker wires loose or incorrect polarity; faulty audio cable. | Select the correct input mode. Increase volume. Check speaker wire connections and polarity. Try a different audio cable. |
| Bluetooth connection unstable or intermittent | Dispositiu massa lluny de amplifier; obstacles blocking signal; interference. | Acosteu el dispositiu Bluetooth a la amplifier (within 40 ft/12m). Remove obstacles. Avoid placing near other wireless devices. |
| Mala recepció FM | Antenna not connected or positioned incorrectly; weak signal in area. | Ensure FM antenna is securely connected. Adjust antenna position for better reception. |
| La reproducció USB no funciona | Unitat USB no formatada correctament; no compatible file format; corromput files. | Ensure USB drive is formatted to FAT32. Use MP3 files. Prova una altra unitat USB. |
9. Especificacions
| Característica | Detall |
|---|---|
| Número de model | AS-22BU |
| Potència de sortida | Max 300Wx2 (RMS 50Wx2) |
| Versió Bluetooth | 5.0 |
| Interval Bluetooth | Fins a 40 metres |
| Interfícies d'entrada | RCA (L/R), 3.5mm AUX, USB2.0, FM Radio, Bluetooth |
| Impedància de l'altaveu | 4-16Ω |
| Font d'alimentació | DC 12V/3A |
| Dimensions del producte | 5.12 x 2.95 x 1.38 polzades |
| Pes de l'article | 1.39 lliures |
| Fabricant | JS Electronics Limited |
| País d'origen | Xina |

Image: The compact dimensions of the amplifier, highlighting its small footprint.
10. Garantia i Suport
For warranty information or technical support, please refer to the purchase documentation or contact the seller/manufacturer directly. Keep your proof of purchase for any warranty claims.
Manufacturer: JS Electronics Limited





