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KEF LSX II Cobalt Blue Wireless Bookshelf Speakers (Pair) - SP4041CC
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Abt Model: LSXIIBU
UPC: 637203047862
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Color:
Blue
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KEF SP4041CC Cobalt Blue Wireless Bookshelf Speakers (Pair)
There has never been a better time to discover the joy of being able to hear all the detail in your favourite songs. KEF’s six decades of experience in acoustic excellence combined with constant innovation and the development of wireless technology has led to the creation of LSX II; a compact wireless Hi-Fi system that delivers pure, accurate sound, but with the compatibility and convenience of the very best wireless technology.
Much more than a simple upgrade from the award-winning original, LSX II combines class-leading sound with the all-encompassing W2 wireless platform from LS50 Wireless II. Connectivity options are further enhanced by the addition of both HDMI and USB-C, making this an ideal companion for both TV and desktop computer systems.
LSX II delivers room-filling, natural, accurate sound from any source thanks to the knowledge and experience of KEF’s talented engineers and the iconic Uni-Q driver array. Plus it has a contemporary design courtesy of famed industrial designer Michael Young, and is available in a choice of five stylish finishes.
Key Features
- Plays all major music services and supports all major audio formats
- DSD, MQA and PCM up to 24bit/384kHz
- Comprehensive connectivity for your TV, laptop and any other equipment: USB-C, HDMI ARC, Analogue input, subwoofer output
- 11th Generation Uni-Q driver array for accurate, pristine sound
- Music Integrity Engine for rich, full-bodied sound
- System power: LF 70W class D, HF 30W class D, Max. SPL:102dB
- Intuitive on-boarding with user-centred features
- Personalised listening experience via KEF Connect App
- Design by Michael Young
- Optimised cabinet design for best acoustic performance
- Mounting inserts to secure on P1 desk pad, S1 floor stand and B1 wall bracket
- Available in 5 finishes: Carbon Black, Mineral White, Cobalt Blue, Lava Red and Soundwave by Terence Conran Edition
Features
Connectivity
- Play all the music in the world
At the digital heart of the LSX II sits the same cutting-edge W2 wireless platform that drives the mighty LS50 Wireless II. This ensures that no matter how you like to listen to music, you can do so with the minimum of fuss and in pristine sound quality.
The KEF Connect app lets you stream Amazon Music, Qobuz, Tidal, Deezer, Internet Radio stations and podcasts. Apple AirPlay 2 and Google Chromecast seamlessly stream audio from compatible devices, whilst Bluetooth expands the options even further. You can use native apps to stream directly from Spotify Connect, Tidal and QPlay, and it is Roon Ready. When using Airplay 2, Chromecast or Roon you can stream to multiple speakers, so you can play music all over your house.
If that wasn’t enough, LSX II can also play your own private music collection from a compatible NAS drive or music server. Plus, audiophiles are covered with extensive file support up to 24bit/384kHz (PCM), DSD, and full MQA rendering.
- Plug and play to TV and laptop
Alongside Wi-Fi and Bluetooth, LSX II also boasts a comprehensive collection of wired connections. These include HDMI ARC for seamless control using TV remote and a high-quality USB-C input which makes LSX II the perfect desktop system with your computer. There are also connections for your turntable, CD player, games console, and many other devices. And, if you demand your movies and music come with some extra bottom end, there’s a dedicated output so you can connect a KEF subwoofer for the bass you crave.
Performance
- High-Fidelity sound
The beauty of the two-speaker box approach is that music is given space to breathe and develop, creating a three-dimensional soundstage. The speakers appear to disappear, leaving you to enjoy the immersive performance that unfolds in front of you, drawing you into the experience.
Each LSX II speaker uses a version of KEF 11th generation Uni-Q driver array specially designed for this loudspeaker. This signature technology acts as a point source, where the tweeter is placed at the precise acoustic centre of the woofer, recreating how sound is produced naturally. This design eliminates the traditional, tiny 'sweet spot,' instead delivering accurate, pristine sound to all listeners.
LSX II has a combined 200 Watts of system power. Both the tweeter and woofer are powered by their own dedicated amplifier to deliver room-filling sound in such compact cabinets.
Performance is further enhanced from the award-winning original by the Music Integrity Engine. The cuttingedge collection of bespoke Digital Signal Processing algorithms has just got an update. Optimised for the Uni-Q driver, the Music Integrity Engine enables LSX II to deliver a perfectly timed performance, for better clarity and a tighter, more accurate sound.
User-centred
- User-focused experience
The KEF Connect app walks you through the set-up and controls the system and playback navigation, with intuitive sound settings so you can adjust LSX II to best suit your room.
With its powerful Room EQ DSP, LSX II can be fine-tuned to your room and personal taste without the need for a degree in acoustic engineering. 'Normal' mode is designed to talk you through the process with easy questions - all you might need is a tape measure. For easy integration of a KEF subwoofer with LSX II, Room EQ includes subwoofer pre-sets for the best possible system performance.
LSX II also comes with a host of other user-friendly features including volume settings, sensitivity adjustments, and the ability to select a source to wake it up when it comes on.
You can choose to connect the speakers wirelessly with 24bit/48kHz resolution for a cable-free setup, or with the supplied cable for 24bit/96kHz resolution.
Design
- Sound by KEF. Design by Michael Young
The aesthetic design of LSX II comes courtesy of Michael Young, one of the leading lights in the world of industrial design. Famed for his sophisticated take on minimalism, Young’s signature is a smart, pared down aesthetic that perfectly suits LSX II’s requirement to deliver pristine, accurate sound while also looking incredible. Every single aspect of LSX II is carefully considered, with an elegant rear control panel and subtle design accents such as colour-matched finishes on the Uni-Q driver and ports. LSX II also has neat mounting inserts, for secure placement on the P1 desk pad, S1 floor stand or B1 wall bracket.
- Statement finishes
LSX II is available in a choice of five finishes: Mineral White and Lava Red models finished with satin and gloss spray, while Carbon Black and Cobalt Blue are clad in a specially designed fabric from Danish contemporary textile designer, Kvadrat. The Soundwave by Terence Conran Edition sees the ‘soundwave’ pattern woven into the same unique fabric for a true statement of the meeting of acoustics and design.
California customers:
General
Bluetooth
Yes
Bluetooth Version
4.2
Wi-Fi
Yes
Speaker Phone
No
USB Port
Yes
Number Of USB Inputs
1
NFC
No
Water Resistant
No
Rock Speaker
No
Number of Speakers In Set
2
Waterproof
No
AirPlay
Yes
Built-In Mic
No
Digital Display
No
Aux Input
Yes
App Controlled
Yes
File Format
MQA, DSD, FLAC, WAV, AIFF, ALAC, AAC, WMA, MP3, M4A, LPCM, Ogg Vorbis
Power Consumption
200W
Power Consumption (Standby)
<2.0W
Optical Digital Input
Yes
Rechargeable
No
SonosNet
No
Control Button(s)
No
Microphone Mute
No
Coaxial Digital Input
No
HDMI Input
No
HDMI Audio Return Channel (ARC)
Yes
4K Video Passthrough
No
8K Video Passthrough
No
Remote Control Included
Yes
RMS Output Power (watts)
LF: 70W HF: 30W
Wireless Subwoofer
No
Input(s)
1 x HDMI ARC, 1 x TOSLINK Optical, 1 x USB Type C, 1 x Analog 3.5mm Auxiliary, 1 x RJ45 Ethernet (network)
Output(s)
1 x RCA Subwoofer output
HDR Support
No
Tweeter Size (in)
0.75
Tweeter(s)
1 x 0.75" aluminum dome
Tweeter(s) Material
Aluminum
Woofer Size (in)
4.5
Woofer(s)
1 x 4.5" magnesium/aluminium alloy cone
Wireless Multi-Room Audio
No
Center Speaker
No
Side-Firing Speaker
No
Up-Firing Speaker
No
Dolby Atmos
No
DTS: X
No
Amplifier Type
Class D
Connectivity
AirPlay 2, Google Chromecast, ROON Ready, UPnP Compatible, Bluetooth, Spotify Connect, Optical, USB Type C, HDMI
Frequency Response
54Hz - 28kHz
Powered / Passive
Powered
In the Box
LSX II, Power cords, Interspeaker cable, Remote control, Quick Start Guide, warranty, safety information
Speaker Design
2-Way
Speaker Type
Bookshelf
Voltage
100 – 240VAC 50/60Hz
Approximate Weight
Unit Weight (lbs.)
15.6
Shipping Weight (lbs.)
20.00
Warranty Information
Parts Warranty
2 Years Limited
Labor Warranty
2 Years Limited
Approximate Dimensions
Height (in)
9.5
Width (in)
6.1
Depth (in)
7.1
Guides
Specification Sheet
Key Features
- Plays All Major Music Services
- Supports All Major Audio Formats
- Comprehensive Connectivity
- 11th Generation Uni-Q Driver Array
- Music Integrity Engine For Rich, Full-bodied Sound
- Intuitive On-boarding With User-centered Features
- Personalized Listening Experience Via KEF Connect App
- Optimized Cabinet Design
- Lava Red Finish
- Cobalt Blue Finish
Guides
What Our Customers Say About Us
Delivery staff were great. Prompt, efficient, professional. Delivery and installation was worth every penny and more.
Rebecca E.
- Chicago, IL
May 11, 2023
