KEF SP3994BX

KEF LSX Wireless Music System User Manual

Model: SP3994BX

1. Prodotto finitoview

The KEF LSX Wireless Music System is a compact, high-resolution stereo audio system designed for versatile connectivity and exceptional sound quality. It features a 4-inch Uni-Q driver for wide sound dispersion and a custom-designed cabinet.

Le caratteristiche principali includono:

  • 4-inch Uni-Q driver for clear, wide-ranging sound.
  • Dual-band Wi-Fi, Bluetooth 4.2, optical, and 3.5mm auxiliary connectivity.
  • Compatibility with popular music streaming services like TIDAL.
  • Subwoofer output for enhanced bass, controllable via the KEF Control app.
  • Wireless or wired (RJ45 Ethernet) connection between speakers.
KEF LSX speaker, front-left view, showing the Uni-Q driver and fabric-covered side.

Figura 1: Anteriore sinistro view of a KEF LSX speaker, highlighting the Uni-Q driver and sleek design.

2. Istruzioni per l'installazione

2.1 Disimballaggio e posizionamento

Carefully remove the speakers and accessories from the packaging. The system includes two speakers and a manual. Place the speakers in your desired listening area, ensuring adequate space for ventilation and cable connections.

Two KEF LSX speakers placed on a shelf in a modern living space.

Figura 2: Esample placement of KEF LSX speakers in a living environment.

2.2 Collegamento degli altoparlanti

The LSX speakers can be connected wirelessly or via an RJ45 Ethernet cable for optimal performance. For wired connection, use the provided Ethernet cable to link the 'Master' speaker to the 'Slave' speaker.

Posteriore view of the KEF LSX Master speaker, showing input ports including optical, AUX, Ethernet, and subwoofer out.

Figure 3: Rear panel of the Master speaker with various connection options.

2.3 Collegamento di alimentazione

Connect both speakers to a power outlet using the supplied power cables. The speakers are powered by AC.

2.4 Configurazione della rete (Wi-Fi)

For wireless connectivity, download the KEF Control app on your smartphone or tablet. Follow the in-app instructions to connect your LSX system to your dual-band Wi-Fi network. Ensure your mobile device is connected to the same network during setup.

Nota: Some users have reported Wi-Fi setup hiccups, especially with mesh Wi-Fi networks. If you encounter issues, try temporarily disconnecting from mesh Wi-Fi or ensuring your phone is on the same 5GHz band as the speakers.

3. Istruzioni per l'uso

3.1 Powering On/Off and Source Selection

Use the included remote control to power the speakers on or off and to switch between input sources (Wi-Fi, Bluetooth, Optical, Aux). A physical power button is not available on the speakers themselves.

3.2 Wireless Audio Streaming

  • Wifi: Connect to your home network via the KEF Control app to stream music from services like TIDAL.
  • Bluetooth: Activate Bluetooth on your device and select "KEF LSX" from the available devices. The Bluetooth range is approximately 10 meters.

Importante: The KEF Control app is essential for initial setup, EQ adjustments, and controlling the subwoofer output. Ensure the speakers maintain a stable Wi-Fi connection for full app functionality.

3.3 Wired Audio Input

The LSX system supports digital optical input and a 3.5mm auxiliary connection for connecting external audio sources like televisions or other media players.

KEF LSX speakers connected to a television in a modern entertainment setup.

Figure 4: LSX speakers integrated with a television for enhanced audio.

3.4 Collegamento del subwoofer

For additional bass, connect an external subwoofer to the LSX system. The subwoofer output is controlled and adjusted through the KEF Control app.

4. Manutenzione

To ensure the longevity and optimal performance of your KEF LSX Wireless Music System, follow these maintenance guidelines:

  • Pulizia: Gently wipe the speaker surfaces with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or sprays directly on the speakers.
  • Posizionamento: Keep speakers away from direct sunlight, heat sources, and excessive moisture. Ensure good air circulation around the speakers.
  • Connessioni: Periodically check all cable connections (power, Ethernet, audio) to ensure they are secure.
  • Aggiornamenti software: Regularly check for firmware updates via the KEF Control app to ensure your speakers have the latest features and performance improvements.

5. Risoluzione Dei Problemi

This section addresses common issues you might encounter with your KEF LSX Wireless Music System.

5.1 Problemi di connettività Wi-Fi

  • Speakers lose Wi-Fi connection:
    • Ensure the speakers are within range of your Wi-Fi router.
    • Restart your Wi-Fi router and the LSX speakers.
    • If using a mesh network, try connecting your phone to the same 5GHz band as the speakers during setup.
    • Consider using a wired Ethernet connection between the speakers for more stable performance.
  • KEF Control app cannot connect to speakers:
    • Verify both your mobile device and the speakers are connected to the same Wi-Fi network.
    • Close and reopen the KEF Control app.
    • Perform a power cycle on the speakers (unplug and replug).

5.2 Problemi di qualità del suono

  • Boomy, loud, or muddy sound:
    • Use the KEF Control app to adjust the EQ settings. The speakers may require tuning based on placement and room acoustics.
  • Connection drops between speakers (wireless mode):
    • Ensure there are no obstructions between the master and slave speakers.
    • Switch to a wired connection using the provided RJ45 Ethernet cable for improved stability.

5.3 Problemi con il telecomando

  • Telecomando non funzionante:
    • Controllare e sostituire la batteria CR2 nel telecomando.
    • Ensure there is a clear line of sight between the remote and the master speaker.

6. Specifiche

Nome del modelloLSX
Numero di modelloSP3994BX
Tipo di altoparlanteMulti-Room, Subwoofer, Computer
Tecnologia di connettivitàWi-Fi, Bluetooth, Auxiliary, Ethernet
Comunicazione senza filiWi-Fi; Bluetooth; Auxiliary; Ethernet
Portata Bluetooth10 metri
Dimensioni dell'altoparlante4 pollici
Potenza massima in uscita dell'altoparlante70 Watt
Modalità di uscita audioStereo
Dimensioni del prodotto (P x L x A)7"P x 6"L x 9.5"A
Peso dell'articolo15.6 libbre (per la coppia)
Fonte di alimentazioneAC
Componenti inclusiSpeaker (2); Manual
Metodo di controlloRemoto
MaterialeFiber, Metal
ColoreNero
Diagram showing the dimensions of a KEF LSX speaker: 7 inches deep, 6 inches wide, and 9.5 inches high.

Figure 5: KEF LSX speaker dimensions.

7. Garanzia e supporto

Per informazioni sulla garanzia e supporto tecnico, fare riferimento al sito ufficiale KEF website or contact KEF customer service directly. Keep your proof of purchase for warranty claims.

Le risorse online e le informazioni di contatto possono essere in genere trovate su www.kef.com.

8. Video di prodotto

KEF LSX Overview

Video 1: Un overview of the KEF LSX Wireless Music System, showcasinil suo design e le sue caratteristiche.

KEF LSX Setup Guide

Video 2: A guide on how to set up the KEF LSX speakers, including connections and app configuration.

KEF LSX Features Deep Dive

Video 3: Detailed explanation of the KEF LSX system's various features and functionalities.

© 2023 KEF. Tutti i diritti riservati.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.