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Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — side by side at true scale
AKlipsch Forte IVBJBL HDI-3800
Klipsch Forte IVvsJBL HDI-3800
The JBL HDI-3800 stands 110.1 cm tall — about 19.3 cm more than the Klipsch Forte IV at 90.8 cm. On footprint the Klipsch Forte IV is the wider cabinet (41.9 cm versus 27.7 cm). At 99 dB against 92 dB, the Klipsch Forte IV is the easier load to drive and plays louder from the same amplifier. Low frequencies come from a 305 mm cone on the Klipsch Forte IV and a 200 mm cone on the JBL HDI-3800. Both land in a similar price bracket, around $4,999 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Klipsch | JBL |
| Model | Forte IV IV | HDI-3800 |
| HiFi ladder position | #15 of 281 floorstander | #133 of 281 floorstander |
| Height | 908 mm | 1101 mm |
| Width | 419 mm | 277 mm |
| Depth | 330 mm | 418 mm |
| Weight | 32.7 kg | 38 kg |
| Enclosure | passive-radiator | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (K-100-TI titanium compression diaphragm), 1× 44 mm midrange (K-702 polyimide compression diaphragm), 1× 305 mm woofer (K-281 fiber-composite cone) | 1× 25 mm tweeter (Teonex compression driver), 3× 200 mm woofer (Advanced Aluminum Matrix cone) |
| Frequency — low | 38 Hz | 37 Hz |
| Frequency — high | 20000 Hz | 30000 Hz |
| Sensitivity | 99 dB | 92 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | — | 25–300 W |
| MAP (USD) | $4,998 / pair | $5,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | klipsch.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.

