KEF SP3994BX

KEF LSX Wireless Music System User Manual

Model: SP3994BX

1. Produktet er overview

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.

Nøkkelfunksjoner inkluderer:

  • 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.

Figur 1: Foran-venstre view of a KEF LSX speaker, highlighting the Uni-Q driver and sleek design.

2. Installasjonsinstruksjoner

2.1 Utpakking og plassering

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.

Figur 2: Eksample placement of KEF LSX speakers in a living environment.

2.2 Tilkobling av høyttalerne

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.

Bak 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 Strømtilkobling

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

2.4 Nettverksoppsett (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.

Note: 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. Bruksanvisning

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

  • Wi-Fi: 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.

Viktig: 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 Tilkobling av 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. Vedlikehold

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

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

5. Feilsøking

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

5.1 Problemer med Wi-Fi-tilkobling

  • 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 Problemer med lydkvaliteten

  • 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 Problemer med fjernkontroll

  • Fjernkontrollen fungerer ikke:
    • Sjekk og skift ut CR2-batteriet i fjernkontrollen.
    • Ensure there is a clear line of sight between the remote and the master speaker.

6. Spesifikasjoner

ModellnavnLSX
ModellnummerSP3994BX
HøyttalertypeMulti-Room, Subwoofer, Computer
TilkoblingsteknologiWi-Fi, Bluetooth, Auxiliary, Ethernet
Trådløs kommunikasjonWi-Fi; Bluetooth; Auxiliary; Ethernet
Bluetooth-rekkevidde10 meter
Høyttalerstørrelse4 tommer
Høyttaler Maksimal utgangseffekt70 watt
LydutgangsmodusStereo
Produktdimensjoner (D x B x H)7" D x 6" B x 9.5" H
Varevekt15.6 pund (for paret)
StrømkildeAC
Inkluderte komponenterSpeaker (2); Manual
KontrollmetodeFjernkontroll
MaterialeFiber, metall
FargeSvart
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. Garanti og støtte

For warranty information and technical support, please refer to the official KEF website or contact KEF customer service directly. Keep your proof of purchase for warranty claims.

Online resources and contact information can typically be found at us.kef.com.

8. Produktvideoer

KEF LSX Overview

Video 1: En overview of the KEF LSX Wireless Music System, showcasindens design og funksjoner.

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.

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