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: 1109 mm (110.9 cm) · 1 mm = 0.50 px
JBL HDI-3800vsKEF R7 Meta
The JBL HDI-3800 and the KEF R7 Meta stand at nearly the same height, around 110.1 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 200 mm cone on the JBL HDI-3800 and a 165 mm cone on the KEF R7 Meta. Both land in a similar price bracket, around $5,000 a pair.
| A | B | |
|---|---|---|
| Manufacturer | JBL | KEF |
| Model | HDI-3800 | R7 Meta Meta |
| HiFi ladder position | #133 of 281 floorstander | #145 of 281 floorstander |
| Height | 1101 mm | 1109 mm |
| Width | 277 mm | 311 mm |
| Depth | 418 mm | 384 mm |
| Weight | 38 kg | 29.3 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (Teonex compression driver), 3× 200 mm woofer (Advanced Aluminum Matrix cone) | 1× 25 mm tweeter (MAT aluminium dome), 1× 125 mm midrange (aluminium cone), 2× 165 mm woofer (hybrid aluminium cone) |
| Frequency — low | 37 Hz | 48 Hz |
| Frequency — high | 30000 Hz | 28000 Hz |
| Sensitivity | 92 dB | 88 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 25–300 W | 15–250 W |
| MAP (USD) | $5,000 / pair | $5,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | jbl.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.