1. Introducció
Gràcies per la compraasing the LONPOO LP-42s Active Bookshelf Speakers. These speakers are designed to provide high-quality audio for your computer, smartphone, tablet, and other compatible devices. Featuring versatile connectivity options including Bluetooth, USB, and AUX, along with a built-in amplifier, the LP-42s delivers clear and vibrant sound for music, gaming, and movies.
Please read this manual carefully before operating the speakers to ensure proper use and to maximize your listening experience. Keep this manual for future reference.

2. Instruccions de seguretat importants
- Llegiu atentament aquestes instruccions abans d'utilitzar.
- Conserveu aquestes instruccions per a referència futura.
- Tingueu en compte totes les advertències del producte i de les instruccions d'ús.
- Seguiu totes les instruccions.
- No utilitzeu aquest aparell prop de l'aigua.
- Netegeu només amb un drap sec.
- No bloquegeu cap obertura de ventilació. Instal·leu-ho d'acord amb les instruccions del fabricant.
- No instal·leu a prop de cap font de calor com ara radiadors, registres de calor, estufes o altres aparells (inclosos amplificadors) que produeixen calor.
- Eviteu que el cable d'alimentació sigui trepitjat o pessigat, especialment als endolls, els endolls i el punt on surten de l'aparell.
- Utilitzeu només accessoris/accessoris especificats pel fabricant.
- Desendolleu aquest aparell durant les tempestes amb llamps o quan no l'utilitzeu durant llargs períodes de temps.
- Demaneu tot el servei a personal de servei qualificat. El manteniment és necessari quan l'aparell s'ha fet malbé d'alguna manera, com ara el cable d'alimentació o l'endoll està danyat, s'ha vessat líquid o han caigut objectes a l'aparell, l'aparell ha estat exposat a la pluja o la humitat, no funciona amb normalitat. , o s'ha deixat caure.
3. Contingut del paquet
Before setting up your speakers, please check the package contents to ensure all items are present:
- LONPOO LP-42s Active Bookshelf Speakers (1 Pair)
- Cable d'alimentació (1.2 m)
- Speaker Connection Cable (2m)
- Cable auxiliar de 3.5 mm
- Manual d'usuari (Aquest document)
- Feet (for speaker stability)

4. Producte acabatview
4.1 Característiques dels altaveus
- Active Bookshelf Design: Integrated Class D amplifier with 15W x 2 output for clear and powerful sound.
- High-Quality Drivers: Equipped with 3-inch carbon fiber woven full-range speakers for rich audio.
- Bluetooth 5.3: Seamless wireless streaming from compatible devices (smartphones, tablets).
- Múltiples entrades: USB input for direct playback from USB drives and 3.5mm AUX input for wired connections.
- Sortida d'auriculars: Jack de 3.5 mm per a escolta privada.
- Disseny compacte i modern: Ideal for desktop and small space setups.
- Espera automàtica: Enters standby mode after 15 minutes of audio pause or 10 minutes without an audio source connection.


4.2 Controls i indicadors
The main controls are conveniently located on the top of the active speaker. The rear panel houses the input/output ports and the master power switch.

- Controls de reproducció: Buttons for Play/Pause, Previous Track, Next Track.
- Botó de mode (M): Cycles through Bluetooth, USB, and AUX input modes.
- Indicadors LED:
- Blau: Mode Bluetooth
- Lila: USB / AUX Mode
- Vermell: Mode d'espera

- Volum +/- Botó: Ajusta el volum mestre.
- Presa per a auriculars (3.5 mm): Connecteu els auriculars per a una escolta privada.
- Aux Input (3.5mm): Connecteu dispositius d'àudio externs mitjançant un cable d'àudio de 3.5 mm.
- Entrada USB: Connect a USB drive for direct audio playback.
- Terminal d'altaveus: Connects the active speaker to the passive speaker using the provided speaker cable.
- Encès/apagat: Main power switch for the speakers.
- AC IN Port: Connecteu el cable d'alimentació a una presa de corrent altern.
Nota: When USB and AUX are connected simultaneously, the unit will play from the last connected audio source.
5. Configuració i connexions
5.1 Col·locació dels altaveus
Place the active speaker (with controls and ports) and the passive speaker on a stable, flat surface. For optimal stereo imaging, position them equidistant from your listening position and at ear level. Ensure there is adequate ventilation around the speakers.
5.2 Connexió dels altaveus
- Connect one end of the provided speaker connection cable to the Speaker Terminal on the active speaker.
- Connect the other end of the speaker connection cable to the speaker terminal on the passive speaker. Ensure correct polarity (e.g., red to red, black to black).
5.3 Connexió d'alimentació
- Ensure the Power ON/OFF switch on the rear panel of the active speaker is in the OFF position.
- Connect the power cord to the AC IN Port on the active speaker.
- Plug the other end of the power cord into a suitable AC power outlet (110-240V ~ 50/60Hz).
5.4 Connexions de fonts d'àudio
You can connect audio sources using Bluetooth, USB, or AUX input.
5.4.1 Connexió Bluetooth
- Turn on the speakers using the Power ON/OFF switch.
- Press the "M" (Mode) button on the top panel until the LED indicator turns blau, indicating Bluetooth mode.
- Al dispositiu amb Bluetooth (telèfon intel·ligent, tauleta, ordinador), activeu el Bluetooth i cerqueu els dispositius disponibles.
- Select "LONPOO LP-42s" from the list of devices.
- Once paired, the blue LED will remain solid, and you can start playing audio wirelessly.
Nota: The LP-42s speakers do not support Bluetooth headphones.
5.4.2 Connexió USB
- Insert a USB flash drive (formatted as FAT or exFAT, up to 64GB) containing MP3 or WMA audio files into the USB Input port on the rear panel.
- Press the "M" (Mode) button until the LED indicator turns morat, indicating USB/AUX mode. The speakers will automatically detect and begin playing audio from the USB drive.
5.4.3 Connexió AUX
- Connect one end of the provided 3.5mm AUX cable to the Aux Input port on the rear panel of the active speaker.
- Connect the other end of the 3.5mm AUX cable to the headphone jack or audio output of your external device (e.g., MP3 player, computer).
- Press the "M" (Mode) button until the LED indicator turns morat, indicating USB/AUX mode.
- Comença a reproduir àudio des del dispositiu connectat.
6. Instruccions de funcionament
6.1 Encès/Apagat
To turn the speakers ON or OFF, use the Power ON/OFF switch located on the rear panel of the active speaker.
6.2 Control de volum
Rotate the Volume +/- knob on the rear panel of the active speaker to adjust the overall output volume.
6.3 Selecció del mode
Press the "M" (Mode) button on the top panel to cycle through the available input modes: Bluetooth, USB, and AUX. The LED indicator color will change to reflect the active mode (Blue for Bluetooth, Purple for USB/AUX, Red for Standby).
6.4 Playback Control (Bluetooth/USB Modes)
- Reproduir/pausa: Press the Play/Pause button on the top panel.
- Pista anterior: Premeu el botó Pista anterior.
- Pista següent: Premeu el botó Pista següent.
6.5 Ús d'auriculars
Connect your 3.5mm headphones to the Earphone Jack on the rear panel for private listening. When headphones are connected, audio output from the speakers will be muted.
6.6 Automatic Standby Function
The speakers are equipped with an automatic standby feature to conserve power:
- The speakers will enter standby mode (Red LED) after 15 minutes of audio pause.
- The speakers will enter standby mode (Red LED) after 10 minutes without an active audio source connection.
To wake the speakers from standby, simply start playing audio from your connected source or press any button on the top panel.

7. Manteniment i cura
- Neteja: Wipe the speaker surfaces with a soft, dry cloth. Do not use liquid cleaners or abrasive chemicals.
- Ventilació: Ensure the speaker vents are not blocked to prevent overheating.
- Emmagatzematge: Si guardeu els altaveus durant un període prolongat, desendolleu-los de la presa de corrent i guardeu-los en un lloc fresc i sec.
- Eviteu la humitat: Do not expose the speakers to water or excessive humidity.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power cord not connected; Power switch off; Power outlet not working. | Ensure power cord is securely connected. Turn the Power ON/OFF switch to ON. Test the power outlet with another device. |
| Sense so | Volume too low; Incorrect input mode selected; Audio source not playing; Speaker cable loose. | Increase volume. Press "M" button to select correct input mode. Ensure audio is playing from your source device. Check speaker cable connection between active and passive speakers. |
| S'ha produït un error en l'aparellament de Bluetooth | Speakers not in Bluetooth mode; Device too far; Bluetooth disabled on source device. | Ensure speakers are in Bluetooth mode (blue LED). Move device closer to speakers. Enable Bluetooth on your source device and re-scan. |
| La reproducció USB no funciona | Incorrecte file format; USB drive not supported; Speakers not in USB mode. | Assegureu-vos files are MP3 or WMA. Check USB drive format (FAT/exFAT, max 64GB). Press "M" button to select USB/AUX mode (purple LED). |
| Speakers enter standby unexpectedly | Automatic standby feature activated due to inactivity. | This is normal behavior. Start playing audio or press any button to wake the speakers. |
9. Especificacions
| Característica | Detall |
|---|---|
| Model | LP-42s |
| Tipus d'altaveu | Altaveus actius de prestatgeria |
| Potència de sortida | 30 W RMS (2 x 15 W) |
| Controladors d'altaveus | 3-inch (7.6 cm) Carbon Fiber Full-Range |
| Resposta de freqüència | 40 Hz ~ 20 kHz |
| Impedància | 4Ω |
| Relació senyal/soroll (S/N) | 80 dB |
| Versió Bluetooth | 5.3 + EDR |
| Interval Bluetooth | Aprox. 10 metres (33 peus) |
| Compatibilitat USB | USB 2.0, <64GB, FAT/exFAT file systems, MP3/WMA formats |
| Entrades | Bluetooth, USB, AUX de 3.5 mm |
| Sortides | Conector d'auriculars de 3.5 mm |
| Font d'alimentació | CA 110-240V ~ 50 / 60Hz |
| Dimensions (cada altaveu) | 16.2 x 11 x 17.5 cm (6.38 x 4.33 x 6.89 polzades) |
| Pes (parell) | Aprox. 2.3 kg (5.1 lliures) |
| Mètode de control | Top panel buttons, Rear panel knob/switch |
| Material | Carbon Fiber (drivers) |
10. Garantia i Suport
LONPOO products are designed and manufactured to the highest quality standards. For detailed warranty information and customer support, please refer to the warranty card included with your product or visit the official LONPOO weblloc.
If you encounter any issues that are not resolved by the troubleshooting guide, please contact LONPOO customer service for assistance. Please have your model number (LP-42s) and purchase information ready when contacting support.
Informació de contacte:
- Weblloc: www.lonpoo.com (Nota: Això és un marcador de posició URL, please refer to your product's actual support information.)
- Correu electrònic: support@lonpoo.com (Note: This is a placeholder email, please refer to your product's actual support information.)