LS50 Wireless II is more than a high-performance loudspeaker; it’s the perfect all-in-one speaker system, streaming from any source thanks to wireless compatibility with AirPlay 2, Chromecast and more, plus wired connections for your TV, games console and turntable. Great sound, no strings attached.

All the music, all the time

No matter how you stream your music, LS50 Wireless II has you covered. You can stream directly from the Spotify native app with Spotify Connect. With the KEF Connect app you can also stream Tidal, Amazon Music, Qobuz, and Deezer or tune in to internet radio and podcasts.

All your device

Out-of-the-box wireless compatibility with AirPlay 2, Google Chromecast and more, backed up with wired connections such as HDMI for your TV, turntable, CD player and games console. Whatever source you’ve got, LS50 Wireless II is ready for it.

Simple multiroom system

When using LS50 Wireless II with Airplay 2, Chromecast or Roon you can stream to multiple speakers around your home at the same time. By using multiple LS50 Wireless II speakers, you can have a simple, high-performance multiroom system.

Music Integrity Engine

All aspects of the LS50 Wireless II’s performance are aided by KEF’s bespoke Music Integrity Engine. This collection of bespoke Digital Signal Processing algorithms is optimised for the Uni-Q driver, enabling it to deliver a perfectly timed performance, for better imaging and a tighter sound.

Attention to every detail

Every aspect of LS50 Wireless II has been considered for acoustic benefits and from a design perspective. The low-diffraction, curved baffle is precision modelled around the Uni-Q driver, while eye-catching heat sinks and colour-matched ports are located on the well-equipped rear. The top-mounted control panel is designed to be stylish and functional.

Streaming Services

Specifications:

Built-in Amplifier Power (per system): 760W
Max SPL: 108dB
Max Source Resolution: 384kHz/24bit, MQA, DSD256
Interspeaker Connection: Proprietary Wireless or Cat 6 Cable
Drive Unit: 12th Generation with Uni-Q with MAT
Driver rearward Sound Absorption: 99% by MAT
Mid-band Total Harmonic Distortion (THD) at 90dB/1m: THD 0.07% Extremely low distortion by driver motor redesign
Optimal Room Size: 10-100 m2

The KEF Ci5160RL-THX is crafted with a massive aluminum baffle to eliminate vibration and is the perfect platform for the 160mm aluminum cone Uni-Q with tangerine waveguide, and four 160mm woofers. Capable of bi-wire and bi-amplifier connections the Ci5160RL-THX delivers on the performance promise of all KEF R Series speakers.

Overview

The ultimate in custom installed Extreme Home Theatre, the formidable new Ci R Series has the jaw-dropping acoustic capabilities of the classic KEF floor stander it’s named after, with all the drama and emotional intensity of full theatre sound quality. The Ci R Series consists of an in-ceiling speaker that can be combined with one of two in-wall models, and a sensational new powered subwoofer. As you might expect, its towering performance sets a new standard for custom installed speakers.

The Ci5160RL-THX is crafted with a massive aluminum baffle to eliminate vibration and is the perfect platform for the 160mm aluminum cone Uni-Q with tangerine waveguide, and four 160mm woofers. Capable of bi-wire and bi-amplifier connections the Ci5160RL-THX delivers on the performance promise of all KEF R Series speakers.Ci5160RL-THX is an in-wall speaker certified to THX ULTRA2 standards. A deep understanding of the filmmaking process and surround sound is at the very heart of every THX certified 2.1, 5.1 and 7.1 speaker system. Engineered with design characteristics of professional studio speakers, THX recreates the tonal balance of the filmmaker’s final mix in your living room.

Technical Specifications:

NOMINAL IMPEDANCE: 4 Ohms
SENSITIVITY: 90dB (2.83V/ 1m)
FREQUENCY RESPONSE:40Hz – 28kHz (±6dB) open backed
CROSSOVER FREQUENCIES: 300Hz, 2.4kHz
DRIVE UNITS
LF: 4 x 160mm (6.5 in.)
MF: 160mm (6.5 in.)
HF: 25mm (1 in.) Uni-Q
RECOMMENDED AMPLIFIER POWER: 40 – 250W
PRODUCT EXTERNAL DIMENSION (H X W X D)
1070 x 230 x 105.7 mm (42.13 x 9.06 x 4.16 in.)
With Grille : 1073 x 242 x 112.4 mm (42.24 x 9.53 x 4.43 in.)
CUT-OUT DIMENSIONS (H X W): 1052 x 209mm (41.42 x 8.23 in.)
MOUNTING THICKNESS
Ceiling Thickness (Maximum): 40mm (1.58 in.)
Ceiling Thickness (Minimum): 6mm (0.24 in.)
MOUNTING DEPTH FROM SURFACE: 99mm (3.9 in.)

The ultimate in Extreme Home Theatre, certified to THX ULTRA2 and THX SELECT2 standards, the formidable KEF Ci R Series Ci3160RLb-THX in-wall subwoofer has the deep bass and theatre thumping output capabilities of a traditional KEF subwoofer coupled with the ability to deliver all the drama and emotional intensity of full theatre sound quality.

Overview

The ultimate in Extreme Home Theatre, certified to THX ULTRA2 and THX SELECT2 standards, the formidable new Ci R Series Ci3160RLb-THX in-wall subwoofer has the deep bass and theatre thumping output capabilities of a traditional KEF subwoofer coupled with the ability to deliver all the drama and emotional intensity of full theatre sound quality.

With three high-output 160mm sub-bass drivers mounted to a massive aluminum baffle the Ci3160RLb-THX must be matched with KEF’s powerful KASA500 system amplifier. Each KASA500 can power up to two of the Ci3160RLb-THX subwoofers for even the most demanding theatre installations.

For theatre building flexibility, the remainder of KEF’s Extreme Theatre suite consists of two THX Ultra2 certified in-wall LCR speakers, a THX Ultra2 certified in-ceiling LCR speaker, as well as a smaller in-wall subwoofer and smaller in-wall LCR.

Technical Specifications:

NOMINAL IMPEDANCE: 4 Ohms
SENSITIVITY: 92dB (2.83V/ 1m)
FREQUENCY RESPONSE: 20Hz – 140Hz (±6dB) open backed
DRIVE UNITS: LF: 3 x 160mm (6.5 in.)
AMPLIFIER REQUIREMENTS: KASA500
PRODUCT EXTERNAL DIMENSION (H X W X D)
680 x 230 x 96 mm (26.77 x 9.06 x 3.78 in.)
With Grille : 683 x 242 x 102.7 mm (26.89 x 9.53 x 4.04 in.)
CUT-OUT DIMENSIONS (H X W): 660 x 209mm (25.98 x 8.23 in.)
MOUNTING THICKNESS
Ceiling Thickness (Maximum) : 40mm (1.58in.)
Ceiling Thickness (Minimum) : 6mm (0.24in.)
MOUNTING DEPTH FROM SURFACE: 88.5mm (3.84 in.)
NET WEIGHT: 10.9 kg (24.1 lbs)
UNIT MEASUREMENT: Piece

The KEF Ci3160RL-THX is crafted with a massive aluminum baffle to eliminate vibration and is the perfect platform for the 160mm aluminum cone Uni-Q with tangerine waveguide, and two 160mm woofers. Capable of bi-wire and bi-amplifier connections the Ci3160RL-THX delivers on the performance promise of all KEF R Series speakers.

Overview

The ultimate in custom installed Extreme Home Theatre, the formidable new Ci R Series has the jaw-dropping acoustic capabilities of the classic KEF floor stander it’s named after, with all the drama and emotional intensity of full theatre sound quality. The Ci R Series consists of an in-ceiling speaker that can be combined with one of two in-wall models, and a sensational new powered subwoofer. As you might expect, its towering performance sets a new standard for custom installed speakers.

The Ci3160RL-THX is crafted with a massive aluminum baffle to eliminate vibration and is the perfect platform for the 160mm aluminum cone Uni-Q with tangerine waveguide, and two 160mm woofers. Capable of bi-wire and bi-amplifier connections the Ci3160RL-THX delivers on the performance promise of all KEF R Series speakers.

Technical Specifications:

NOMINAL IMPEDANCE: 4 Ohms
SENSITIVITY: 90dB (2.83V/ 1m)
FREQUENCY RESPONSE: 45Hz – 28kHz (±6dB) open backed
CROSSOVER FREQUENCIES: 340Hz, 2.5kHz
DRIVE UNITS:
LF: 2 x 160mm (6.5 in.)
MF: 160mm (6.5 in.)
HF: 25mm (1 in.) Uni-Q
RECOMMENDED AMPLIFIER POWER: 30 – 180W
PRODUCT EXTERNAL DIMENSION (H X W X D): 680 x 230 x 105.7 mm (26.77 x 9.06 x 4.16 in.)
CUT-OUT DIMENSIONS (H X W): 660 x 209mm (25.98 x 8.23 in.)
MOUNTING THICKNESS
Ceiling Thickness (Maximum) : 40mm (1.58in.)
Ceiling Thickness (Minimum) : 6mm (0.24in.)
MOUNTING DEPTH FROM SURFACE: 99mm (3.9 in.)

KEF Ci4100QL-THX is an in-wall speaker certified to THX SELECT2 standard which delivers the deep understanding of the filmmaking process and surround sound is at the very heart of every THX certified 2.1, 5.1 and 7.1 channel speaker system.

Overview

A KEF’s sophisticated ’sit anywhere’ Uni-Q driver array, which places the tweeter in the acoustic center of the bass/midrange cone, It allows both the tweeter and woofer to act as a single point source that disperses the sound widely and eventually throughout the room. It Together with the discreet Ultra Thin Bezel (UTB) design, offering the slimmest possible visible rim around the speaker, the Ci Q Series range gives you tremendous freedom to position the speakers where you please.

The KEF Ci4100QL-THX is a built-in wall speaker that has been certified in accordance with the THX SELECT2 standard. In turn, the focus of every THX-certified 2.1, 5.1 and 7.1 speaker system is a deeper understanding of the process of filmmaking and surround sound. The THX quality seal was developed with the unique design properties of professional film studio speakers and thus creates the sonic balance of the filmmaker’s final mix in your own living room. And the result? In action scenes you are practically carried away, while conversational moments come across as completely natural and captivating.
Technical Specifications:

IMPEDANCE: 4 ohms
SENSITIVITY: 89dB (2.83V / 1m)
TRANSITION FREQUENCY: 2.2kHz
FREQUENCY RESPONSE: 55Hz – 28kHz (± 6dB) open backed
CHASSIS:
LF: 3 x 100mm (4 in.)
MF: 100mm (4 in.)
HF: 19mm (0.75 in.) Uni-Q
AMPLIFIER REQUIREMENTS: 10 – 150W
EXTERNAL PRODUCT DIMENSIONS: 490 x 128 x 81 mm (19.29 x 5.04 x 3.19 in.)
CUT-OUT DIMENSIONS: 476 x 114mm (18.74 x 4.49 in.)
WALL THICKNESS
Maximum wall thickness: 24 mm (0.95 in.)
Minimum wall thickness: 6 mm (0.24 in.)
MOUNTING DEPTH FROM SURFACE: 76mm (3.0 in.)

The Ultra Tower speakers area perfectly tuned acoustic ecosystem. From the drivers to the crossover and cabinet, each component is painstakingly engineered and critically tested to perform in harmony and convey breathtaking sound quality.

Overview

The Standing toe-to-toe with the finest speakers in the world, the flagship SVS Ultra Tower is a reference floor standing speaker built without compromise for the most discerning audio fans. Dual opposing 8-inch woofers command a room with deep, articulate bass while the innovative driver design, premium materials and optimized cabinet geometry combine to convey incredible resolution, absolute transparency, and crisp, powerful dynamics.

Every design element of the SVS Ultra Tower speaker was scrutinized to achieve cost-no-object audio performance and build quality. The flagship SVS loudspeaker features countless design innovations and world-class build materials resulting in reference quality sound and stunning dynamics beyond the reach of speakers costing thousands more.

Whether rendering the warmth of vinyl, the finest details of a hi-res audio recording or the aggressive, hard-hitting soundtrack of an action movie, the Ultra Tower speakers deliver a powerful and convincing audio experience from the highest frequencies to the lowest bass notes. The first time you hear them is like an epiphany that reveals itself over and over with every listening session.

Technical Specifications:

Floor Standing Tower Loudspeaker
Real black oak veneer and piano gloss black finish options
Dual gold-plated 5-way binding posts
3.5″ wide-flared rear-firing port
Cloth grille with pin/cup retention system
Elastomer screw-in feet – adjustable for level
Spiked metal screw-in feet included – adjustable for level
Cabinet Dimensions: 45.6” (H) x 13.8” (W) x 16.5” (D) (without grille)
Overall Dimensions: 45.6” (H) x 13.8” (W) x 16.8” (D) (with grille)
Shipped Dimensions: 50.3″ (H) X 21.3″ (W) X 22.3″ (D)
Weight Unboxed: 75.4 pounds
Shipped Weight: 86 pounds

The world’s most versatile and high-performance home theater speaker, Prime Elevation is a uncompromised height effects speaker for Dolby Atmos, DTS:X and Auro-3D and an outstanding solution for side surrounds, rear surrounds, or even the front stage LCR speakers. Easy to mount anywhere on the wall or ceiling, Prime Elevation delivers outstanding performance even when ideal speaker placement isn’t possible.

Immersive three-dimensional surround sound formats such as Dolby Atmos®, DTS:X® and Auro 3D® unleash the ultimate movie, music, TV an gaming audio experience by incorporating “height effects” emanating from overhead to create a dome of sound that blankets you for a more convincing and believable performance. Prime Elevation is an optimized height effects speaker because it directly radiates full-range sound to the listener without the frequency response limitations and perfect room conditions required of prevailing “ceiling bounce” height effects speaker designs.

Prime Elevation is also a remarkably versatile, multi-purpose home theater speaker that deftly plays the role of front, center, side surround, rear surround and/or LCR speaker when ideal placement in a room isn’t possible.

SVS Takes Immersive Three-Dimensional Surround Sound to New Heights
Home theaters running height effects speakers with Dolby Atmos®, DTS:X® and Auro-3D® represent the pinnacle of immersive home audio experiences. The prevailing approach to Dolby Atmos speakers, bouncing sound off the ceiling from below, requires perfect room conditions and frequency response limiting of the speaker and detracts from the experience.

An audio epiphany, Prime Elevation speaker direct radiating with the charged dynamics, pinpoint accuracy and subtle refinement of a high end bookshelf speaker. Place it high on a wall near the ceiling and height effects can be enjoyed at full fidelity in any room, without the compromises of ceiling bounce or in-ceiling speakers. Finally, a height effects speaker designed for breath-taking effects.

Technical Specifications:

Black Ash, Piano Gloss Black and Piano Gloss White finish options
Single set of 5-way binding posts
1” wide-flared rear-firing port
Cloth grille with pin/cup retention system
Magnetic SVS Logo which can be removed and oriented according to speaker application.
Elastomer stick-on bumper feet (adds 3mm to height)
Unique SVS Multi-Angle Wall Bracket (patent pending) system that allows speaker to be wall mounted in any of four positions
1/4″ brass insert for use with included SVS Multi-Angle Wall Bracket and other bracket mounting systems.
Cabinet Dimensions: 9.25″ (H) X 5.44″ (W) X 7.88″ (D)
Overall Dimensions: 9.4″ (H) X 5.44″ (W) X 8.33″ (D) (includes grille, binding posts and bumper feet)
Overall Dimensions: 9.25″ (H) X 5.44″ (W) X 8.98″ (D) (includes grille and SVS Multi-Angle Wall Bracket)
Shipped Dimensions: 9.30″ (H) X 12″ (W) X 18″ (D)
Weight Unboxed: 7.8 pounds
Shipped Weight: 20 pounds
Rated bandwidth: 55 Hz-25 kHz (±3 dB)
Nominal impedance: 8 ohms.
Sensitivity: 87 dB (2.83V @ 1 meter full-space, 300-3kHz)
Recommended amplifier power: 20-150 watts.

The SVS Prime Satellite speakers redefine performance in the small speaker category with massive output and incredible refinement, all from a lifestyle-friendly cabinet. Compact and easily adaptable, this versatile home theater speaker can serve as front, center, surround or height effect loudspeakers with astonishing detail and output.

From the moment you feel the heft of the Prime Satellite speakers, you understand they’re not the typical compact satellite speaker designed primarily for lifestyle or visual appeal. The Prime Satellite is a bona fide high performance loudspeaker that deftly plays any role in a home theater or audio system, and shatters expectations while doing it.

No satellite speakers have ever offered the level of rigorous design, high-end components and precise build quality in a such a super compact cabinet. The Prime Satellite conveys stunning dynamic impact and convincing detail and refinement well beyond what’s expected from such a small speaker. It easily mounts on any wall or ceiling, or sits on any surface, and is painstakingly voiced to blend with all speakers from the SVS Prime and Ultra Series lines. It’s also neutral sounding enough to integrate seamlessly with speakers from other brands in multi-channel home theater surround sound systems. These factors give the Prime Satellite incredible flexibility to serve in many different roles depending on the layout of your room and the specific needs of your system.

Technical Specifications:

Satellite Loudspeaker
Premium Black Ash, Piano Gloss Black, and Piano Gloss White finish options
Single set of 5-way binding posts
1” wide-flared rear-firing port
Cloth grille with pin/cup retention system
Elastomer stick-on bumper feet (adds 3mm to height)
Keyway bracket for easy and convenient wall mounting (includes extra bumper pads for wall stand-off)
Cabinet Dimensions: 8.75″ (H) X 4.9″ (W) X 6″ (D)
Overall Dimensions: 8.85″ (H) X 4.9″ (W) X 6.3″ (D) (includes grille and bumper feet)
Shipped Dimensions-2 Pack: 11.7″ (H) X 13.9″ (W) X 8.9″ (D)
Shipped Dimensions 3 Pack: 11.7″ (H) X 20.3″ (W) X 8.9″ (D)
Weight Unboxed: 6.5 pounds
Shipped Weight 2 Pack: 14.7 pounds
Shipped Weight 3 Pack: 21.7 pounds
Rated bandwidth: 69 Hz-25 kHz (±3 dB)
Nominal impedance: 8 ohms.
Sensitivity: 85 dB (2.83V @ 1 meter full-space, 300-3kHz)
Recommended amplifier power: 20-150 watts.

True 3-way center channel delivers crystal clear and natural sounding dialogue and vocals with an expansive soundstage, stunning dynamics and excellent dispersion for a convincing home theater surround sound experience.

Overview

It’s rare, if not impossible to find a true 3-way center channel speaker at even close to what the Prime Center costs. Leveraging design elements and technology from the SVS Ultra Center, the Prime Center speaker features premium drivers and crossover components and sophisticated engineering that put it in a class by itself when compared to other center speakers in its class.

Center channel speakers are often considered the most underrated speakers in a home theater because they handle so much of the content yet are designed as afterthoughts by many audio brands. The SVS Prime Center accepts no compromises and anchors the front soundstage of a 5.1 home theater surround sound system or other set-ups with precision and power that complements even the most high-end multi-channel systems.

the Well-equipped to play the most important role in a surround sound in home theater, every aspect of the Prime Center speaker was designed for sonic excellence. From the premium grade drivers and sophisticated Sound Match three-way crossover to the extra-thick baffle, internal bracing, and FEA optimized tweeter diffuser, the Prime Center channel speaker’s design and engineering features drive its performance into uncharted territory for a center channel speaker at its price.

Technical Specifications:

Black ash and piano gloss black finish options
Single set of 5-way binding posts
Dual 1” wide-flared rear-firing ports
Cloth grille with pin/cup retention system
Elastomer stick-on bumper feet (adds 3mm to height)
Center Channel Loudspeaker
Cabinet Dimensions: 7.6″ (H) X 18.6″ (W) X 8.6″ (D)
Overall Dimensions: 7.7″ (H) X 18.6″ (W) X 9.2″ (D) (includes grille and bumper feet)
Shipped Dimensions: Shipped Dimensions: 12.2″ (H) X 23″ (W) X 13.4″ (D)
Weight Unboxed: 20.2 pounds
Shipped Weight: 23.3 pounds
Rated bandwidth: 48 Hz-25 kHz (±3 dB)
Nominal impedance: 8 ohms.
Sensitivity: 86 dB (2.83V @ 1 meter full-space, 300-3kHz)
Recommended amplifier power: 20-200 watts.

Overview

The Prime Bookshelf speakers are sonic overachievers on all levels. Stunningly dynamic, pinpoint accurate and utterly transparent, they deftly serve as reference monitor loudspeakers in a two-channel system, or as high performance front, center, or side/rear surround speakers in a multi-channel home theater.

Borrowing engineering and design cues from the acclaimed Ultra Series and embodying all the traits of a truly high-end speaker, the Prime Bookshelf speakers convey accurate spatial imaging, throw an expansive soundstage and deliver uncompromising fidelity throughout the frequency spectrum. The effortless low frequency extension, commanding but detailed midrange and airy, unveiled highs far exceed expectations of other speakers in its class. Even the cabinet geometry and internal bracing are optimized for uncompromised audio playback and complemented by stunning piano gloss and black ash finishes.

Standing out among the crowd of bookshelf speakers is no easy task, yet the Prime Bookshelf defies convention to outperform reference monitors costing twice as much or more. Every aspect of the Prime Bookshelf speaker was designed for sonic excellence. From the premium grade driver and sophisticated SoundMatch crossover to the extra-thick baffle, internal bracing, and FEA optimized tweeter diffuser, the Prime Bookshelf speaker’s design and engineering credentials put it in the realm of much costlier, and much larger speakers.

Technical Specifications :

Bookshelf Loudspeaker
Black ash and piano gloss black finish options
Single set of 5-way binding posts
1.7” wide-flared rear-firing port
Cloth grille with pin/cup retention system
Elastomer stick-on bumper feet (adds 3mm to height)
Cabinet Dimensions: 13.2″ (H) X 8″ (W) X 9.4″ (D)
Overall Dimensions: 13.3″ (H) X 8″ (W) X 10.3″ (D) (includes grille and bumper feet)
Shipped Dimensions-2 Pack: 17.6″ (H) X 22.4″ (W) X 14.4” (D)
Weight: 15.5 pounds
Shipped Weight-2 Pack: 34.7 pounds
Rated bandwidth: 48 Hz-25 kHz (±3 dB)
Nominal impedance: 8 ohms.
Sensitivity: 87 dB (2.83V @ 1 meter full-space, 300-3kHz)
Recommended amplifier power: 20-150 watts.