Bookshelf Series
LSX II
Welcome to a world of High-Fidelity sound so lifelike, you can almost touch it. The second-generation all-in-one speaker system has been upgraded for a more balanced, high-resolution sound with comprehensive connectivity. Stream anything — AirPlay 2, Chromecast, Spotify, Tidal — or easily connect LSX II to your laptop, TV, and more.
Technical Specifications
SpecificationsGeneral
MODEL
- LSX II
DRIVERS
- HF: 19 mm (0.75") aluminum dome
- LF/MF: 115 mm (4.5") magnesium/aluminum alloy cone
Frequency Response
FREQUENCY RANGE (-6 dB)
- 49 Hz – 47 kHz (varies with EQ settings)
FREQUENCY RESPONSE (±3 dB)
- 54 Hz – 28 kHz (varies with EQ settings)
Output Power & Amplifiers
LF (Power)
- 70 W
HF (Power)
- 30 W
Connectivity & Streaming
WIRELESS FEATURES
- AirPlay 2, Google Chromecast, Bluetooth 5.0, Roon Ready
- UPnP-compatible
Dimensions & Weight
DIMENSIONS
- 240 × 155 × 180 mm (9.5 × 6.1 × 7.1 in)
WEIGHT (PER PAIR)
- 7.2 kg
Inputs & Outputs
INPUTS
- HDMI ARC, TOSLINK, USB Type-C, 3.5mm (analog), RJ45 Ethernet
OUTPUT
- RCA for subwoofer
LS50 Meta
The LS50 Meta is a high-precision, emotionally compelling loudspeaker built on revolutionary acoustic technology. Designed around the 12th-generation Uni-Q driver array with Metamaterial Absorption Technology (MAT™), this compact, robust speaker delivers detailed sound from any point in the room.
World’s First Speakers with Metamaterial
The 12th-generation Uni-Q® array with MAT™ delivers unprecedented clarity and depth.
Technical Specifications
SpecificationsModel
DESIGN
- 2-way bass-reflex
DRIVERS
- HF: 25 mm (1") vented aluminum dome with MAT™
- MF/LF: 130 mm (5.25") aluminum cone
CROSSOVER FREQUENCY
- 2.1 kHz
FREQUENCY RANGE (-6 dB)
- 47 Hz – 45 kHz
TYPICAL LOW-FREQUENCY RESPONSE IN ROOM (-6 dB)
- 26 Hz
FREQUENCY RESPONSE (±3 dB)
- 79 Hz – 28 kHz
HARMONIC DISTORTION (90 dB, 1 m)
- < 0.4% from 175 Hz – 20 kHz
- < 0.1% from 300 Hz – 10 kHz
MAXIMUM POWER
- 106 dB
AMPLIFIER REQUIREMENTS
- 40 – 100 W
NOMINAL IMPEDANCE
- 8 Ω (min. 3.5 Ω)
SENSITIVITY (2.83 V/1 m)
- 85 dB
WEIGHT
- 7.8 kg (17.2 lbs)
DIMENSIONS (H x W x D) WITH TERMINALS
- 302 x 200 x 280.5 mm (11.9 x 7.9 x 11.0 in)
LS50 Wireless II
The LS50 Wireless II is more than a high-performance speaker — it’s the perfect all-in-one acoustic system, streaming wirelessly from any source via AirPlay 2, Chromecast, and more, while offering wired connections for your TV, gaming console, or turntable. Exceptional sound, zero compromises.
Technical Specifications
SpecificationsGeneral
MODEL
- LS50 Wireless II
DRIVERS
- LF: 130 mm (5.25") aluminum cone
- HF: 25 mm (1") vented aluminum dome with MAT™
Frequency Response
FREQUENCY RANGE (-6 dB)
- 40 Hz – 47 kHz (varies with EQ settings)
FREQUENCY RESPONSE (±3 dB)
- 45 Hz – 28 kHz (varies with EQ settings)
Output Power & Amplifiers
LF (Power)
- 280 W
HF (Power)
- 100 W
Connectivity & Streaming
WIRELESS FEATURES
- AirPlay 2, Google Chromecast, Bluetooth 5.0, Roon Ready
- UPnP-compatible
Dimensions & Weight
DIMENSIONS
- 305 x 200 x 311 mm (12 x 7.9 x 12.2 in)
WEIGHT (PER PAIR)
- 20.1 kg
Inputs & Outputs
INPUTS
- HDMI eARC, TOSLINK, Coaxial, 3.5mm (analog), USB Type-A, RJ45 Ethernet
OUTPUT
- RCA for subwoofer
LSX II LT
A new addition to the award-winning LSX family. The LSX II LT delivers the same captivating High-Fidelity sound and key technologies as the LSX II — at a price you’ll love. Featuring the KEF Music Integrity Engine and the signature Uni-Q driver array, this compact wireless Hi-Fi speaker system delivers unmatched sonic purity.
Technical Specifications
SpecificationsGeneral
MODEL
- LSX II LT
DRIVERS
- HF: 19 mm (0.75") aluminum dome
- LF/MF: 115 mm (4.5") magnesium/aluminum alloy cone
Frequency Response
FREQUENCY RANGE (-6 dB)
- 49 Hz – 47 kHz (varies with EQ settings)
FREQUENCY RESPONSE (±3 dB)
- 54 Hz – 28 kHz (varies with EQ settings)
Output Power & Amplifiers
LF (Power)
- 70 W
HF (Power)
- 30 W
Connectivity & Streaming
WIRELESS FEATURES
- AirPlay 2, Google Chromecast, Bluetooth 5.0, Roon Ready
- UPnP-compatible
Dimensions & Weight
DIMENSIONS
- 240 × 155 × 180 mm (9.5 × 6.1 × 7.1 in)
WEIGHT (PER PAIR)
- 6.8 kg
Inputs & Outputs
INPUTS
- HDMI ARC, TOSLINK, USB Type-C, RJ45 Ethernet
OUTPUT
- RCA for subwoofer
Q Concerto Meta
The Q Concerto Meta HiFi is the largest in our Q Series Bookshelf collection. Paying homage to the original Concerto of 1969 — our first 3-way bookshelf speaker — this upgraded version delivers professional-grade, high-fidelity sound.
With its 3-way design and Metamaterial Absorption Technology (MAT™), this wired speaker system ensures exceptional audio quality.
3-Way Bookshelf HiFi Speaker System
Technical Specifications
SpecificationsGeneral
DESIGN
- 3-way bass-reflex
DRIVERS
- HF: 19 mm (0.75") vented aluminum dome with MAT™
- MF: 100 mm (4") aluminum cone
- LF: 165 mm (6.5") hybrid aluminum cone
CROSSOVER FREQUENCY
- 430 Hz, 2.9 kHz
FREQUENCY RANGE (-6 dB)
- 40 Hz – 20 kHz
TYPICAL BASS RESPONSE IN ROOM (-6 dB)
- 36 Hz
FREQUENCY RESPONSE (±3 dB)
- 48 Hz – 20 kHz
HARMONIC DISTORTION (90 dB, 1 m)
- < 2% from 37 Hz and above
- < 1% from 91 Hz – 20 kHz
MAXIMUM OUTPUT
- 108 dB
AMPLIFIER REQUIREMENTS
- 15 – 180 W
IMPEDANCE
- 4 Ω (min. 3.2 Ω)
SENSITIVITY (2.83 V/1 m)
- 85 dB
WEIGHT
- 9.5 kg (20.9 lbs)
DIMENSIONS (H x W x D) WITH TERMINALS
- 415 x 210 x 315 mm (16.3 x 8.3 x 12.4 in)
FINISHES
- Satin Black / Satin White / Walnut
Q1 Meta
The compact Q1 Meta HiFi speaker outperforms its size, refusing to compromise your listening pleasure. Like all new Q Series speakers, it features the 12th-generation Uni-Q driver and Metamaterial Absorption Technology.
The Q1 Meta is the ideal entry-level speaker for building your first HiFi system.
Compact 2-Way Bookshelf HiFi Speaker
Technical Specifications
SpecificationsGeneral
DESIGN
- 2-way bass-reflex
DRIVERS
- HF: 25 mm (1") vented aluminum dome with MAT™
- LF/MF: 130 mm (5.25") aluminum cone
CROSSOVER FREQUENCY
- 2.1 kHz
FREQUENCY RANGE (-6 dB)
- 47 Hz – 20 kHz
TYPICAL BASS RESPONSE IN ROOM (-6 dB)
- 42 Hz
FREQUENCY RESPONSE (±3 dB)
- 51 Hz – 20 kHz
HARMONIC DISTORTION (90 dB, 1 m)
- < 2% from 140 Hz and above
- < 1% from 170 Hz – 20 kHz
MAXIMUM OUTPUT
- 108 dB
AMPLIFIER REQUIREMENTS
- 10 – 150 W
IMPEDANCE
- 4 Ω (min. 3.2 Ω)
SENSITIVITY (2.83 V/1 m)
- 86 dB
WEIGHT
- 6.1 kg (13.4 lbs)
DIMENSIONS (H x W x D) WITH TERMINALS
- 302 x 180 x 277 mm (11.9 x 7.1 x 10.9 in)
FINISHES
- Satin Black / Satin White / Walnut
R3 Meta
R3 Meta redefines the performance of bookshelf speakers. Using the same drivers as the flagship R11 Meta, R3 Meta delivers a true 3-way design.
Featuring the 12th-generation Uni-Q® driver with MAT™ and a powerful 6.5-inch hybrid aluminum bass driver, it elevates performance to a new level.
3-Way Bookshelf HiFi Speaker System
Technical Specifications
SpecificationsGeneral
DESIGN
- 3-way bass-reflex
DRIVERS
- HF: 25 mm (1") vented aluminum dome with MAT™
- MF: 125 mm (5") aluminum cone
- LF: 165 mm (6.5") hybrid aluminum cone
CROSSOVER FREQUENCY
- 420 Hz, 2.3 kHz
FREQUENCY RANGE (-6 dB)
- 38 Hz – 50 kHz
TYPICAL LOW-FREQUENCY RESPONSE IN ROOM (-6 dB)
- 30 Hz
FREQUENCY RESPONSE (±3 dB)
- 58 Hz – 28 kHz
HARMONIC DISTORTION (90 dB, 1 m)
- < 1% from 73 Hz and above
- < 0.5% from 90 Hz – 20 kHz
MAXIMUM OUTPUT
- 110 dB
AMPLIFIER REQUIREMENTS
- 15 – 180 W
NOMINAL IMPEDANCE
- 4 Ω (min. 3.2 Ω)
SENSITIVITY (2.83 V/1 m)
- 87 dB
WEIGHT
- 12.4 kg (27.3 lbs)
DIMENSIONS (H x W x D) WITH TERMINALS
- 422 x 200 x 336 mm (16.6 x 7.9 x 13.2 in)
FINISHES
- Gloss Black / Gloss White / Walnut / Indigo Gloss (Special Edition)
Q3 Meta
The Q3 Meta HiFi speaker is designed to deliver precise sound quality in a mid-sized enclosure. With the 12th-generation Uni-Q driver with MAT™ and a 6.5-inch driver, enjoy pure, pristine sound every time.
Whether you're upgrading your home theater or enjoying your favorite music, this bookshelf speaker delivers high-fidelity sound with exceptional depth and detail.
2-Way Bookshelf HiFi Speaker
Technical Specifications
SpecificationsGeneral
DESIGN
- 2-way bass-reflex
DRIVERS
- HF: 25 mm (1") vented aluminum dome with MAT™
- LF/MF: 165 mm (6.5") aluminum cone
CROSSOVER FREQUENCY
- 2.0 kHz
FREQUENCY RANGE (-6 dB)
- 42 Hz – 20 kHz
TYPICAL BASS RESPONSE IN ROOM (-6 dB)
- 39 Hz
FREQUENCY RESPONSE (±3 dB)
- 49 Hz – 20 kHz
HARMONIC DISTORTION (90 dB, 1 m)
- < 2% from 110 Hz and above
- < 1% from 135 Hz – 20 kHz
MAXIMUM OUTPUT
- 109 dB
AMPLIFIER REQUIREMENTS
- 15 – 150 W
IMPEDANCE
- 4 Ω (min. 3.2 Ω)
SENSITIVITY (2.83 V/1 m)
- 87 dB
WEIGHT
- 8.2 kg (18.1 lbs)
DIMENSIONS (H x W x D) WITH TERMINALS
- 357 x 210 x 305 mm (14.1 x 8.3 x 12.0 in)
FINISHES
- Satin Black / Satin White / Walnut
Q4 Meta
The Q4 Meta is a 2-way wall-mount speaker designed to function as a left, center, or right (LCR) speaker, or as a surround speaker. With the 12th-generation Uni-Q® 5.25-inch driver and MAT™ technology, this HiFi speaker delivers an expansive, immersive soundstage without occupying valuable floor space.
2-Way Wall-Mount Speaker
Technical Specifications
SpecificationsGeneral
DESIGN
- 2-way bass-reflex
DRIVERS
- HF: 25 mm (1") vented aluminum dome with MAT™
- LF/MF: 130 mm (5.25") aluminum cone
Frequency Response
CROSSOVER FREQUENCY
- 1.8 kHz
FREQUENCY RANGE (-6 dB)
- 52 Hz – 20 kHz
TYPICAL LOW-FREQUENCY RESPONSE IN ROOM (-6 dB)
- 44 Hz
FREQUENCY RESPONSE (±3 dB)
- 65 Hz – 20 kHz
HARMONIC DISTORTION (90 dB, 1 m)
- < 2% from 145 Hz and above
- < 1% from 170 Hz – 20 kHz
MAXIMUM OUTPUT
- 108 dB
AMPLIFIER REQUIREMENTS
- 10 – 150 W
NOMINAL IMPEDANCE
- 4 Ω (min. 3.2 Ω)
SENSITIVITY (2.83 V/1 m)
- 86 dB
WEIGHT
- 5.7 kg (12.6 lbs)
DIMENSIONS (H x W x D) WITH TERMINALS
- 400 x 250 x 142 mm (15.7 x 9.8 x 5.6 in)
FINISHES
- Satin Black / Satin White / Walnut
Reference 1 Meta
One model on a stand in the Reference series may be the only speaker you’ll ever need.
The Benchmark in Bookshelf Speakers
The 3-way Reference 1 Meta, featuring the 12th-generation Uni-Q® driver with MAT™ from KEF, delivers an expansive, high-performance sound that far exceeds what its compact size suggests.
Technical Specifications
SpecificationsGeneral
DESIGN
- 3-way bass-reflex
Uni-Q Array:
- HF: 25 mm (1") aluminum dome with MAT™
- MF: 125 mm (5") aluminum cone
LF Drivers:
- LF: 2 x 165 mm (6.5") aluminum cone
Free-Field Frequency Response (-6 dB)
- Short Port: 38 Hz – 45 kHz
- Long Port: 35 Hz – 45 kHz
Typical Room Bass Response (-6 dB)
- 28 Hz
Frequency Response (±3 dB)
- 43 Hz – 35 kHz
Crossover Frequency
- 450 Hz, 2.1 kHz
Amplifier Requirements
- 50 – 300 W
Sensitivity (2.83 V/1 m)
- 86 dB
2nd & 3rd Harmonic Distortion (90 dB, 1 m)
- < 0.5% from 40 Hz – 100 kHz
- < 0.2% from 200 Hz – 2 kHz
- < 0.1% from 2 kHz – 20 kHz
Maximum Power (Peak SPL @ 1 m with Pink Noise)
- 113.5 dB
Impedance
- 4 Ω (min. 3.2 Ω)
Weight
- 51.3 kg (113.1 lbs)
Dimensions (H x W x D) with Grille and Terminals
- 1155 x 205 x 462 mm (45.5 x 8.1 x 18.2 in)
Dimensions (H x W x D) with Grille, Terminals, and Base
- 1207 x 323 x 467 mm (47.5 x 12.7 x 18.4 in)
Downloads
- Spec Sheet
- Manual
- White Paper
- Brochure
T101 Satellite
KEF’s most versatile speaker, with a depth of just 3.5 cm, can be used for surround or stereo playback and placed almost anywhere in the room.
Ultra-Thin Profile Satellite Speakers
The T101 can be wall-mounted, placed on a table, or used on optional floor stands — or as a center channel. It features a new ultra-thin-profile KEF bass/midrange driver and a new high-performance vented tweeter.
Technical Specifications
SpecificationsGeneral
DESIGN
- 2-way sealed box
DRIVERS
- MF: 115 mm (4.5") dual-layer
- HF: 25 mm (1") aluminum dome
Specifications
FREQUENCY RESPONSE
- 80 Hz – 30 kHz
AMPLIFIER REQUIREMENTS
- 10 – 100 W
SENSITIVITY (2.83 V/1 m)
- 90 dB (wall-mounted)
- 87 dB (floor-standing)
IMPEDANCE
- 8 Ω
MAXIMUM OUTPUT
- 107 dB (SPL)
INTERNAL VOLUME
- 0.7 liters
WEIGHT
- 1 kg (2.2 lbs)
DIMENSIONS (H x W x D)
- 330 x 140 x 35 mm (13.0 x 5.5 x 1.4 in)
- Center mode: 140 x 330 x 35 mm
T301 Satellite Speakers
Thin, full-size satellite speakers. With a flat-screen TV, you need matching speakers. Truly flat.
High-Fidelity 3D Sound
More importantly, you want to fill the room with high-fidelity 3D sound as immersive as what’s happening on screen.
In the larger models, the same high-performance 25 mm (1") vented tweeter is paired with two 115 mm (4.5") ultra-thin-profile bass/midrange drivers for even greater sound.
Technical Specifications
SpecificationsGeneral
DESIGN
- 2.5-way sealed box
DIMENSIONS
- 600 x 140 x 35 mm (23.6 x 5.5 x 1.4 in)
WEIGHT
- 1.5 kg (3.3 lbs)
DRIVERS
- 2 x 115 mm (4.5") dual-layer MF
- 25 mm (1") aluminum HF
INTERNAL VOLUME
- 1.4 liters
FREQUENCY RESPONSE
- 80 Hz – 30 kHz
CROSSOVER FREQUENCIES
- 1.7 kHz
AMPLIFIER REQUIREMENTS
- 10 – 150 W
IMPEDANCE
- 8 Ω
SENSITIVITY (2.83 V/1 m)
- 88 dB (floor-standing stand)
MAXIMUM OUTPUT
- 110 dB (SPL)






