HiFi SPECS

Bookshelf speaker · Released 2015

KEF R100

1 of 19 specs checked against a source Updated Sep 3, 2026

Configuration
2-way
Frequency response
56 Hz to 28 kHz
Sensitivity
86 dB
Impedance
8 Ω
Amplifier power
25 to 100 W
Power type
Passive

The KEF R100 speakers offer a mix of pros and cons. The aesthetics of these speakers are elegant and classic, fitting beautifully in smaller spaces.

7.9/10 HiFi Specs scoreOur editorial score, out of 10

The KEF R100 isn't sold new any more. The closest current model is the KEF Q3 Meta.

Why this one: Same size 2 way bookshelf in the entry Q line that replaced the R100 slot and price

On the bench Response trace, stylized
As reviewed KEF R100
20 Hz 100 1k 10k 20k

Strongest: design 8.6 · weakest: treble detail 7.0. Compared across 162 speakers in our database.

At a glance

KEF R100 in 5 facts

  • Type: Bookshelf speaker, passive
  • Frequency response: 56 Hz to 28 kHz
  • Sensitivity: 86 dB
  • Impedance: 8 Ω
  • HiFi Specs score: 7.9/10, the average of 6 rated aspects

Verdict

The short version

7.9/10

The KEF R100 speakers offer a mix of pros and cons. The aesthetics of these speakers are elegant and classic, fitting beautifully in smaller spaces. The speakers' sound quality is usually sharp and transparent, with a surprisingly potent bass for their size. However, there are occasions where the emphasis on high frequencies seems overly pronounced, causing the sound to be harsh during loud playback. Despite this, KEF R100 offers an overall well-rounded experience within an affordable price range. Additionally, they provide impressive bass output, and any inconsistencies in treble can be amended using an equalizer. Although the KEF R100 lacks bleed-edge features like WiFi or Airplay connectivity, they are generally a sensible investment for audio enthusiasts prioritizing sound quality. The speakers have their drawbacks but their level of sophistication and performance makes them a valuable addition to a sound setup. HiFi Specs score from 6 rated aspects · compared across 162 speakers

Datasheet

The numbers

Power type
Passive
Configuration
2-way
Drivers
1x 1" Tweeter + 1x 5" Mid-woofer
Frequency response
56 Hz to 28 kHz
Crossover frequency
2.5 kHz
Sensitivity
86 dB
Impedance
8 Ω
Recommended amp power
25 to 100 W
Power handling (RMS)
100 W Checked against hifigear.co.uk Source
Maximum SPL
107 dB

Cabinet

Cabinet & connections

Enclosure type
Ported (Bass Reflex)
Bi-wire capable
No
Removable grille
Yes
Connectivity
Wired

Physical

Dimensions, weight, placement

Recommended placement
Shelf, Stand
Height
11.4 in 290 mm
Width
11 in 279 mm
Depth
7.1 in 180 mm
Colors
Gloss White High Gloss Piano Black Rosewood Walnut

Compared across 162 speakers

How it scored

Sound quality 8.0
Bass response 8.5
Midrange clarity 7.3
Treble detail 7.0
Design 8.6
Value for money 8.2
7.9/10

Overall score, the average of the 6 aspects above.

Availability

Where to buy

The KEF R100 isn't sold new any more. The closest current model is the KEF Q3 Meta.

Why this one: Same size 2 way bookshelf in the entry Q line that replaced the R100 slot and price

5 year warrantyManufacturer coverage

We don't show live prices. This is our editorial price tier, last checked Mar 28, 2020. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and reviews are never influenced by affiliate partners.

7.9/10 KEF R100 Check the KEF Q3 Meta