The smallest of the three floor standers in the R Series, the KEF R500 uses the same latest generation Uni-Q driver array and two 5.25-inch aluminium bass drivers. Its slim proportions and sleek contemporary looks make it perfectly suited for any interior, making it ideal for serious stereo or multi-channel home theatre systems.
 
| Model | R500 | 
| Design | Three-way bass reflex | 
| Drive units | Uni-Q driver array: HF: 25mm (1in.) vented aluminium dome
 MF: 125mm (5in.) aluminium
 Bass units: LF: 2 x 130mm (5.25in.) aluminium
 | 
| Frequency range (-6dB) | 39Hz - 45kHz | 
| Frequency response (±3dB) | 46Hz - 28kHz | 
| Crossover frequency | 500Hz, 2.8kHz | 
| Amplifier requirements | 25 - 150 W | 
| Sensitivity (2.83V/1m) | 88dB | 
| Harmonic distortion 2nd & 3rd harmonics (90dB, 1m)
 | <0.4% 120Hz-20kHz | 
| Maximum output | 111dB | 
| Nominal impedance | 8Ω (min. 3.2Ω) | 
| Weight | 21.8kg (48lbs.) | 
| Dimension (H x W x D) (with grille and terminal)
 | 1015 x 180 x 305 mm (40 x 7.1 x 12 in.)
 | 
| Dimension (H x W x D) (with grille, terminal & plinth)
 | 1066 x 299 x 328 mm (42 x 11.8 x 12.9 in.)
 |