| Brand | KEF | KEF |
| Model No | R11 Meta | LS60 Wireless Lotus Edition |
| Wired / Wireless | Home Theatre Speaker Specification | Home Theatre Speaker Specification |
| Driver Type | Dynamic | Dynamic |
| |
| Driver Diameter | Uni-Q Driver Array
MF: 125 mm Aluminum Cone
HF: 25 mm Vented Aluminum Dome With MAT
Bass Unit: LF : 4 X 165 mm Hybrid Aluminum Cone | Uni-Q Driver Array
MF : 100 mm Aluminum Cone
Uni-Core Force Cancelling Driver LF : 4 X 135 mm
HF : 19 mm Vented Aluminum Dome With Metamaterial Absorption Technology |
| Impedance | 4 Ohms ( Min. 3.2 Ohms ) | NA |
| Sensitivity | 90 dB | 111 dB |
| Frequency Response | Crossover Frequency : 330 Hz, 2.5 KHz
Frequency Range ( -6dB ) : 30 Hz - 50 KHz
Frequency Response ( ±3dB ) : 46 Hz - 28 KHz
Typical In-Room Bass Response ( -6dB ) : 26 Hz
Harmonic Distortion ( 90dB, 1m ) : <1% 33 Hz & Above, <0.5% 80 Hz - 20 KHz | Frequency Range ( -6dB ): 26 Hz - 36 kHz
Frequency Response ( ±3dB ): 31 Hz - 24 kHz |
| Maximum Power Input | NA | AC 100 – 240 V 50 / 60 Hz |
| Maximum Power Output | 15 - 300 W ( RMS )
Three-Way Bass Reflex | LF : 500 W ( RMS ) Class D
MF : 100 W ( RMS ) Class D
HF : 100 W ( RMS ) Class AB |
| Signal to Noise Ratio | 113 dB | 116 dB |
| |
| Noise Cancelling | | |
| Aux Connectivity | No | Yes |
| Weight | 36.5 Kg | 62.4 Kg |
| Dimensions | Speaker : 1249 mm X 200 mm X 384 mm
Terminal With Plinth : 1296 mm X 311 mm X 384 mm | With Plinth : 1090 mm X 212 mm X 394 mm
Without Plinth 1042 mm X 130 mm X 321 mm |
| Available Colors | Black, White, Brown | Green |
| Accessories | KEF R11 Meta Home Theatre Speaker
Port Bungs
Microfiber Grille
Plinth & Spike Accessories
User Manual & Warranty Information | KEF LS60 Wireless Lotus Edition Home Theatre Speaker
Power Cords
Remote Control
Quick Start Guide
Interspeaker Cable
Optional Floor Spikes
Warranty & Safety Information |
| Other Features | The R11 Meta is the largest floorstanding model of the R Series.
Meta Material Absortion technology absorbs 99% of unwanted sound for the most pure and natural sound.
For a breathtaking listening experience, the R11's combination of 12th generation Uni-Q driver array with MAT and four 6.5†hybrid aluminum bass drivers allow it to pick out the subtle details of a recording, while also delivering raw power and agility. | PCM up to 24bit/384kHz, DSD and MQA.
Music Integrity Engine for rich, full-bodied sound.
Wireless both from source and between the speakers.
Design by Michael Young and KEF Product Design team.
Personalised listening experience via KEF Connect app.
Single Apparent Source technology for coherent, immersive sound.
Plays all major music services and supports all major audio formats.
System power of 700 W with dedicated amplifiers for HF, MF and LF.
4 X 135 Uni-Core force-cancelling drivers to maximise bass performance.
Comprehensive connectivity including WiFi, Bluetooth, HDMI eARC, Optical, Coaxial, RCA.
12th Generation Uni-Q with Metamaterial Absorption Technology ( MATâ„¢ ) for exceptional acoustic accuracy. |
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