TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — overlaid at true scale
Click either cabinet to swap A ↔ B · Reference height: 1296 mm (129.6 cm) · 1 mm = 0.43 px
Focal Aria Evo X N°4vsKEF R11 Meta
The KEF R11 Meta stands 129.6 cm tall — about 14.6 cm more than the Focal Aria Evo X N°4 at 115.0 cm. On footprint the Focal Aria Evo X N°4 is the wider cabinet (36.9 cm versus 31.0 cm). At 92.5 dB against 90 dB, the Focal Aria Evo X N°4 is the easier load to drive and plays louder from the same amplifier. The Focal Aria Evo X N°4 reaches deeper in the bass, down to 37 Hz versus 46 Hz. Low frequencies come from a 210 mm cone on the Focal Aria Evo X N°4 and a 165 mm cone on the KEF R11 Meta. Both land in a similar price bracket, around $6,249 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Focal | KEF |
| Model | Aria Evo X N°4 Evo X | R11 Meta Meta |
| HiFi ladder position | #172 of 281 floorstander | #236 of 281 floorstander |
| Height | 1150 mm | 1296 mm |
| Width | 369 mm | 310 mm |
| Depth | 371 mm | 384 mm |
| Weight | 35 kg | 36.5 kg |
| Enclosure | bass-reflex-front | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (TAM aluminium-magnesium inverted dome), 1× 165 mm midrange (flax cone), 2× 210 mm woofer (flax cone) | 1× 25 mm tweeter (MAT aluminium dome), 1× 125 mm midrange (aluminium cone), 4× 165 mm woofer (hybrid aluminium cone) |
| Frequency — low | 37 Hz | 46 Hz |
| Frequency — high | 30000 Hz | 28000 Hz |
| Sensitivity | 92.5 dB | 90 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 40–350 W | 15–300 W |
| MAP (USD) | $5,998 / pair | $6,500 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | focal.com ↗ | international.kef.com ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.