TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — side by side at true scale
Click either cabinet to swap A ↔ B · Reference height: 43.7 in · 1 in = 12.83 px
KEF R7 MetavsJBL HDI-3800
The KEF R7 Meta and the JBL HDI-3800 stand at nearly the same height, around 110.9 cm tall. On footprint the KEF R7 Meta is the wider cabinet (31.1 cm versus 27.7 cm). At 92 dB against 88 dB, the JBL HDI-3800 is the easier load to drive and plays louder from the same amplifier. The JBL HDI-3800 reaches deeper in the bass, down to 37 Hz versus 48 Hz. Low frequencies come from a 165 mm cone on the KEF R7 Meta and a 200 mm cone on the JBL HDI-3800. Both land in a similar price bracket, around $5,000 a pair.
| A | B | |
|---|---|---|
| Manufacturer | KEF | JBL |
| Model | R7 Meta Meta | HDI-3800 |
| HiFi ladder position | #145 of 281 floorstander | #133 of 281 floorstander |
| Height | 43.7 in | 43.3 in |
| Width | 12.2 in | 10.9 in |
| Depth | 15.1 in | 16.5 in |
| Weight | 64.6 lb | 83.8 lb |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 1 in tweeter (MAT aluminium dome), 1× 4.9 in midrange (aluminium cone), 2× 6.5 in woofer (hybrid aluminium cone) | 1× 1 in tweeter (Teonex compression driver), 3× 7.9 in woofer (Advanced Aluminum Matrix cone) |
| Frequency — low | 48 Hz | 37 Hz |
| Frequency — high | 28000 Hz | 30000 Hz |
| Sensitivity | 88 dB | 92 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 15–250 W | 25–300 W |
| MAP (USD) | $5,000 / pair | $5,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | international.kef.com ↗ | jbl.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.