Lenco PA-45
Lenco PA-45 Portable Sound System User Manual
Model: PA-45
Introdución
This manual provides detailed instructions for the safe and efficient use of your Lenco PA-45 Portable Sound System. Please read this manual thoroughly before operating the device and retain it for future reference.
The Lenco PA-45 is a versatile portable sound system featuring Bluetooth connectivity, USB and SD card playback, AUX input, microphone input, and guitar input. It operates on both AC power and an integrated rechargeable battery, making it suitable for various mobile applications.
Información importante de seguridade
- Non expoña a unidade á choiva nin á humidade para evitar incendios ou descargas eléctricas.
- Non bloquee ningunha abertura de ventilación.
- Asegúrese de que o cable de alimentación non estea pisado nin pisado.
- Use só anexos/accesorios especificados polo fabricante.
- Encargue toda a reparación a persoal de servizo cualificado.
- Manteña a unidade lonxe da luz solar directa, de fontes de calor e de campos magnéticos fortes.
Contido do paquete
Comprobe que todos os elementos que se indican a continuación estean incluídos no seu paquete:
- Lenco PA-45 Portable Sound System
- Cable de alimentación de CA.
- Cinta de transporte
- Manual de usuario multilingüe
Produto rematadoview
The Lenco PA-45 is designed for portability and versatility, offering multiple audio input options and robust sound output.
Panel frontal

Imaxe: Fronte view of the Lenco PA-45 Portable Sound System. This image displays the main speaker grille, two smaller speaker grilles, and the Lenco brand logo. The unit has a black finish with silver corner protectors and trim.
Top Panel Controls and Inputs

Image: Top panel of the Lenco PA-45. This image highlights the control panel with knobs for Volume, Bass, Treble, Mic Echo, and dedicated volume controls for Microphone and Guitar. It also shows input jacks for microphone and guitar, a USB port, an SD card slot, and AUX input (RCA). Status indicators for Power and Charge are visible.
- Botón de volume: Axusta o volume xeral.
- Botón de baixo: Axusta a saída de audio de baixa frecuencia.
- Botón de agudos: Axusta a saída de audio de alta frecuencia.
- Mic Echo Knob: Controla o efecto de eco para a entrada de micrófono.
- Mic/Guitar Vol Knobs: Individual volume controls for microphone and guitar inputs.
- Mic Input Jack: Para conectar un micrófono.
- Jack de entrada de guitarra: Para conectar unha guitarra.
- Porto USB: Para a reprodución desde unha unidade flash USB.
- Ranura para tarxetas SD: Para a reprodución de tarxetas SD.
- AUX Input (RCA L/R): Para conectar dispositivos de audio externos mediante cables RCA.
- Input Switching Buttons: Buttons for selecting input sources (Bluetooth, USB, SD, AUX).
- Power/Charge Indicators: LEDs indicating power status and battery charging.
Rear Panel Power Source

Image: Rear panel of the Lenco PA-45. This image shows the power input section, including the DC input, AC input, and switches for power source selection (DC Input / AC Input) and charging control (AC ON / OFF / CHG ON).
- Entrada CC: For external DC power source (if applicable).
- Entrada AC: Para conectar o cable de alimentación CA.
- Interruptor de fonte de alimentación: Selects between DC Input and AC Input.
- Interruptor de alimentación de CA: Controls AC power and charging function (ON/OFF/CHG ON).
Configuración
1. Alimentación da unidade
The Lenco PA-45 can be powered by AC mains or its internal rechargeable battery.
- Potencia CA: Connect the supplied AC power cable to the AC Input on the rear panel and plug the other end into a wall outlet. Set the "POWER SOURCE" switch to "AC INPUT" and the "AC POWER" switch to "ON".
- Potencia da batería: Ensure the internal battery is charged. Set the "POWER SOURCE" switch to "DC INPUT". The unit will operate on battery power.
2. Cargando a batería
To charge the integrated lead-acid battery:
- Connect the AC power cable to the unit and a wall outlet.
- Set the "POWER SOURCE" switch to "AC INPUT".
- Set the "AC POWER" switch to "CHG ON". The "CHG" indicator light on the top panel will illuminate.
- Allow sufficient time for the battery to fully charge. The "CHG" indicator will typically change or turn off when charging is complete.
- Nota: For optimal battery life, it is recommended to charge the battery at least once a month, even if the unit is not in regular use.
3. Attaching the Carry Strap
Attach the included carry strap to the designated attachment points on the sides of the unit for easy portability.
Instrucións de funcionamento
1. Funcionamento básico
- Turn on the unit using the power switch on the rear panel.
- Axustar o mestre Volume knob to a low level before playing audio.
- Usa o Baixo e Treble knobs to adjust the sound equalization to your preference.
2. Conexión Bluetooth
- Press the "INPUT SWITCHING" button until "Bluetooth" mode is selected. The Bluetooth indicator will flash.
- No teu dispositivo móbil (teléfono intelixente, tableta, etc.), activa o Bluetooth e busca os dispositivos dispoñibles.
- Select "Lenco PA-45" from the list of devices.
- Once paired, the Bluetooth indicator will stop flashing and remain solid. You can now play audio from your device through the PA-45.
- Nota: If connection issues occur, ensure no other devices are connected to the PA-45 and try re-pairing.
3. USB / SD Card Playback

Image: Top panel of the Lenco PA-45 with a USB stick inserted. This image demonstrates the USB port in use, indicating how to connect a USB flash drive for media playback.
- Insira unha unidade flash USB no porto USB ou unha tarxeta SD na ranura para tarxetas SD do panel superior.
- Press the "INPUT SWITCHING" button to select "USB" or "SD" mode.
- A unidade comezará a reproducir automaticamente audio compatible files do dispositivo de almacenamento.
- Use the playback controls (Play/Pause, Next, Previous) on the top panel to manage your music.
4. Entrada AUX
- Connect an external audio device (e.g., MP3 player, CD player) to the "AUX INPUT" RCA jacks on the top panel using an appropriate audio cable.
- Press the "INPUT SWITCHING" button to select "AUX" mode.
- Play audio from your connected device. Adjust the volume on both the PA-45 and your external device for optimal sound.
5. Entrada de micrófono
- Connect a microphone to the "MIC INPUT" jack on the top panel.
- Adjust the "MIC VOL" knob to control the microphone's volume.
- Use the "MIC ECHO" knob to add an echo effect to the microphone's sound.
6. Entrada de guitarra
- Connect your guitar to the "GUITAR INPUT" jack on the top panel.
- Adjust the "GUITAR VOL" knob to control the guitar's volume.
Mantemento
1. Limpeza
- Desconecte sempre o cable de alimentación antes de limpar.
- Use un pano suave e seco para limpar as superficies exteriores da unidade.
- Non empregues produtos de limpeza abrasivos, ceras ou disolventes, xa que poden danar o acabado.
2. Coidado da batería
- To prolong the life of the integrated lead-acid battery, ensure it is fully charged before first use.
- If the unit will not be used for an extended period, charge the battery at least once a month to prevent deep discharge and damage.
- Avoid operating the unit until the battery is completely depleted, as this can reduce battery lifespan.
Resolución de problemas
If you encounter issues with your Lenco PA-45, refer to the following common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| Sen poder | Power cable not connected; Battery depleted; Power switch off. | Ensure AC cable is securely connected and plugged in. Charge the battery. Check that the power switches on the rear panel are in the correct "ON" position. |
| Sen saída de son | Volume too low; Incorrect input selected; Audio cable not connected properly; External device volume low. | Increase the master volume. Select the correct input source (Bluetooth, USB, SD, AUX). Check all audio cable connections. Increase volume on the connected external device. |
| A conexión Bluetooth é inestable ou falla | Device too far; Interference; Already paired with another device. | Move your device closer to the PA-45. Avoid obstacles. Disconnect from other Bluetooth devices. Try re-pairing the device. |
| A reprodución por USB/SD non funciona | Incorrecto file formato; tarxeta USB/SD non inserida correctamente; danada files. | Garantir o audio files are in a compatible format (e.g., MP3). Reinsert the USB drive or SD card. Try a different USB drive or SD card. |
| Weak or no bass sound | Bass knob set too low; Room acoustics. | Axustar o Baixo knob to increase low frequencies. Position the unit in a corner or near a wall to enhance bass response. |
| Zumbido ou zumbido | Ground loop; Interference from other electronics; Faulty cable. | Try plugging the unit into a different power outlet. Disconnect other devices to identify the source of interference. Use shielded audio cables. |
Especificacións
| Característica | Detalle |
|---|---|
| Número de modelo | PA-45 |
| Marca | Lenco |
| Potencia de saída | 30 vatios (RMS) |
| Fonte de enerxía | AC Mains / Integrated 12V/2.6Ah Lead-Acid Battery |
| Conectividade | Bluetooth, USB, SD Card, AUX (RCA), Microphone Input, Guitar Input |
| Controis | Volume, Bass, Treble, Mic Echo, Mic Volume, Guitar Volume |
| Dimensións do produto (ancho x fondo x alto) | 26.7 x 11.8 x 26.7 cm |
| Peso | 5120 g |
| Compoñentes incluídos | PA-45 Sound System, AC Cable, Carry Strap, Multi-language Manual |
Garantía e Soporte
For warranty information or technical support, please refer to the warranty card included with your product or contact Lenco customer service directly. Contact details can typically be found on the manufacturer's official websitio ou na documentación incluída.
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