KEF Blade One Meta is a 3-way Passive Bass Reflex Floor-standing speaker by KEF. It was released in 2022. It features a 1" aluminium dome with MAT Tweeter, 1 x 5" Midrange and 4 x 9" aluminium cone Woofer.
Single Apparent Source layout: four 225 mm force-cancelling bass drivers mounted back to back in two separate chambers, arranged so their acoustic centres coincide with the 12th generation Uni-Q with MAT. Custom Pantone cabinet colours are available to order.
The speaker has a frequency range of 35-35k Hz and a sensitivity of 88 dB. KEF Blade One Meta has an MSRP of 35000$ per pair.
Room Size Suitability
The size of the room where you plan to use the KEF Blade One Meta is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Are you nuts? |
| Small Room | Poor |
| Mid-size Room | Average |
| Large Room | Good |
| Very Large Room | Good |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
KEF's Blade META Series of Loudspeakers
Blade One Meta is a member of KEF's Blade META series of Passive speakers. Below you can see the main specs of these speakers.
KEF Blade META Series Speakers
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Frequency Response of the KEF Blade One Meta Speaker
KEF Blade One Meta has a Frequency response range of 35-35k Hz and Power Range of 50-400 watts. With a minimum frequency of 35 Hz, Blade One Meta delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.
Here we have a comparison of how Blade One Meta's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Floor-standing Speakers
Thinking about a subwoofer for the KEF Blade One Meta?
Among the speakers in our database with a max MSRP price of 30000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the KEF Blade One Meta's 35Hz:
Crossover frequency of the KEF Blade One Meta?
Blade One Meta is a 3-way speaker and its crossover frequency between the woofer and the midrange is set to 350 Hz and the crossover frequency between the midrange and the tweeter is set to 2000 Hz.
Impedance and Sensitivity
KEF Blade One Meta's nominal impedance level is
4 ohms but can go down to as low as
2.8 ohms, and has a sensitivity of
88 dB.
Sensitivity
Floor-standing Speakers
Nominal Impedance of the 4 Ohms means that the KEF Blade One Meta is a difficult to drive speaker from nominal Impedance perspective, make sure that you choose an amplifier than can provide 4 Ohms for this speaker.
Many AVRs (audio/video receiver) in the market may have difficulty when the speakers dip below the 4 Ohms levels (this may cause clipping or even physical damage), so we recommend to not pair the KEF Blade One Meta with an AVR but use an Integrated Amplifier instead.
Sensitivity
88dB of the KEF Blade One Meta is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the KEF Blade One Meta plays in your room →
Running more than one pair from a single amplifier? Check the load it would present →
Minimum Impedance of the KEF Blade One Meta
Even though the nominal impedance of the Blade One Meta is 4 ohms, the minimum impedance level of this speaker according to KEF is 2.8 ohms KEF Blade One Meta so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
What amplifier does the KEF Blade One Meta need?
At normal listening levels in a medium room, about
24–375 W
per channel into 4 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? See every integrated amplifier we cover.
Input Type
Blade One Meta features Binding posts type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
KEF Blade One Meta External Dimensions and Weight
KEF Blade One Meta has external dimensions of (Height x Width x Depth) 62.5 x 14.3 x 21.2 in. (1590 x 363 x 540 mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of KEF Blade One Meta is approximately 1960.2cm2 / 303.8inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe KEF Blade One Meta weighs 57.20kg / 125.8lbs per piece. Here is a comparison of how Blade One Meta's weight compares with the average, max and min weights in its class.
Weight
All Floor-standing Speakers
Weight
Floor-standing Speakers under $30000
Cabinet type and Materials
KEF Blade One Meta has a
Bass Reflex type cabinet. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
Available colors
KEF Blade One Meta is available in Piano Black/Copper, Piano Black/Grey, Frosted Blue/Blue, Frosted Blue/Bronze, Charcoal Grey/Red, Charcoal Grey/Bronze, Racing Red/Grey and Arctic White/Champagne.
Recommended Accessories
Here is a list of accessories that we think you may need for the KEF Blade One Meta.
Official Product Page
Official manufacturer's product page for the KEF Blade One Meta speaker can be found below:
Official Product Page for KEF Blade One Meta
Warranty
5 years of parts warranty and 5 years of labor warranty is generally provided by the manufacturer.