1. Introducció
The AK380 is a compact and versatile 2-channel power amplifier designed for both home and car audio systems. It delivers 40W + 40W output and supports multiple audio input options including Bluetooth, USB, SD card, and AUX. Its all-aluminum body features a wire-drawing oxidation process for durability and a sleek appearance. This manual provides detailed instructions for setting up, operating, and maintaining your ampmés viu.
2. Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- 1 x AK380 Power Ampmés viu
- 1 x comandament a distància
- 1 x Manual d'usuari
Note: The package does not include a power supply or battery for the amplifier. You will need to provide your own DC 12V/3A power adapter.
3. Instruccions de configuració
3.1 Tauler frontal sobreview

Figure 3.1: Front panel of the AK380 amplifier with Power switch, Mode button, Playback controls, Bass, Treble, Volume knobs, LCD display, USB, SD/MMC, and AUX inputs.
3.2 Connexions del panell posterior

Figure 3.2: Rear panel of the AK380 amplifier with Audio Input (RCA), FM Antenna terminal, Speaker Outputs (L/R), and DC 12V/3A Power Input.
3.3 Connexió del vostre Ampmés viu
- Ponents: Connect your passive speakers to the red (+) and black (-) terminals on the rear panel. Ensure correct polarity (red to red, black to black) for each channel (L for left, R for right). The amplifier supports 4-16Ω load impedance.
- Entrada d'àudio (RCA): For external audio sources like CD players or DVD players, connect them to the 'AUDIO INPUT' RCA jacks on the rear panel.
- Antena FM: Connect the included FM antenna wire to the 'FM.ANT' terminal on the rear panel for radio reception.
- Font d'alimentació: Connect a DC 12V/3A power adapter (not included) to the 'DC 12V/3A' power input jack on the rear panel.
- Targeta USB/SD: Insert a USB flash drive or SD/MMC card into the respective slots on the front panel for media playback.
- Entrada AUX: Connect a 3.5mm audio cable from your device (e.g., smartphone, MP3 player) to the 'AUX' input on the front panel.
4. Instruccions de funcionament
4.1 Encès/Apagat
Toggle the 'POWER' switch on the front panel to turn the amplificador ON o OFF.
4.2 Selecció del mode
Press the 'MODE' button on the front panel or the remote control to cycle through available input sources: USB, SD, BT.C (Bluetooth), FM, and AUX.

Figure 4.1: The LCD display indicates the currently selected input mode.
4.3 Volume, Bass, and Treble Control
- Volum: Rotate the large 'VOLUME' knob on the front panel to adjust the overall sound level.
- Baix: Rotate the 'BASS' knob to adjust the low-frequency output.
- Aguts: Rotate the 'TREBLE' knob to adjust the high-frequency output.
4.4 Bluetooth Connection (BT.C Mode)
- Canvia el amplifier to 'BT.C' mode using the 'MODE' button. The LCD display will indicate Bluetooth mode.
- Al dispositiu mòbil, activeu el Bluetooth i cerqueu els dispositius disponibles.
- Select 'AK380' from the list of devices to pair. Once paired, you can stream audio wirelessly to the ampmés viu.

Figura 4.2: El/La/Els/Les amplifier supports Bluetooth 5.0 for wireless audio streaming.
4.5 Funcions de control remot

Figure 4.3: The included remote control allows for convenient operation from a distance.
El comandament a distància permet accedir a diverses funcions:
- Potència: Gireu el ampactivador/desactivat.
- Mode: Canvia entre les fonts d'entrada.
- Reproduir/pausa: Controla la reproducció multimèdia.
- Anterior/Següent: Skip tracks or adjust FM stations.
- Volum +/-: Ajusteu el nivell de volum.
- EQ: Seleccioneu els preajustos de l'equalitzador (si n'hi ha).
- Botons numèrics: Direct track selection or FM station input.
5. Manteniment
- Neteja: Utilitzeu un drap suau i sec per netejar-lo amplifier's surface. Avoid using liquid cleaners or abrasive materials, as they may damage the aluminum finish.
- Emmagatzematge: Quan no s'utilitzi durant períodes prolongats, guardeu-lo ampGuardar en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Bateria de control remot: The remote control uses a CR2025, 3V, 150mAh battery. Replace it when the remote's range or responsiveness decreases.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power adapter not connected or faulty; Power switch off. | Ensure power adapter is securely connected and functional. Turn the power switch ON. |
| Sense sortida de so | Incorrect input mode selected; Volume too low; Speaker wires loose or incorrectly connected. | Select the correct input mode. Increase volume. Check all speaker connections for proper polarity and secure fit. |
| Bluetooth no connectat | Amplifier not in BT.C mode; Device not discoverable; Already paired with another device. | Canvia amplifier to BT.C mode. Ensure your device's Bluetooth is on and discoverable. Disconnect from other Bluetooth devices. |
| Mala qualitat del so (distorsió, estàtica) | Low-quality audio source; Loose cables; Incorrect Bass/Treble settings. | Use a high-quality audio source. Check all audio cables for secure connections. Adjust Bass and Treble knobs to a neutral position or to your preference. |
| El comandament a distància no funciona | Battery depleted or incorrectly inserted; Obstruction between remote and ampmés viu. | Replace the CR2025 battery. Ensure battery is inserted with correct polarity. Remove any obstructions. |
7. Especificacions

Figure 7.1: Dimensions of the AK380 amplifier (155mm length, 85mm width, 45mm height).
| Característica | Especificació |
|---|---|
| Color | Negre |
| Material | Aliatge d'alumini |
| Potència de sortida | 40W + 40W (2 Channels) |
| Impedància de càrrega | 4-16Ω |
| Relació senyal/soroll (SNR) | 90 dB |
| Resposta de freqüència | 20Hz-20KHz |
| Taxa de distorsió | 0.01% |
| Bateria a distància | CR2025, 3V, 150mAh |
| Dimensions de l'article (L x A x A) | 155 x 85 x 45 mm (6.1 x 3.3 x 1.8 polzades) |
| Pes de l'article | 300 g (10.6 unces) |
| Dimensions del paquet | 165 x 135 x 50 mm (6.5 x 5.3 x 2.0 polzades) |
| Pes del paquet | 350 g (12.3 unces) |
| Entrades | USB, SD/MMC, AUX (3.5mm), RCA Audio Input, Bluetooth 5.0, FM Radio |
| Mostra | LCD amb llum de fons |
8. Consells d'usuari
- Coincidència d'altaveus: Always ensure your speakers' impedance (ohms) falls within the recommended range (4-16Ω) to prevent damage and ensure optimal sound quality.
- Qualitat del cable: Using high-quality audio cables can significantly improve sound clarity and reduce interference.
- Font d'alimentació: Invest in a stable and correctly rated DC 12V/3A power supply to ensure consistent performance and longevity of the ampmés viu.
- Col·locació: Col·loca el amplifier in a well-ventilated area to prevent overheating, especially during prolonged use.
9. Garantia i Suport
For any warranty claims, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.




