Front view — side by side at true scale
AJBL HDI-3800BKlipsch Forte IV
| A | B | |
|---|---|---|
| Manufacturer | JBL | Klipsch |
| Model | HDI-3800 | Forte IV IV |
| HiFi ladder position | #133 of 281 floorstander | #15 of 281 floorstander |
| Height | 1101 mm | 908 mm |
| Width | 277 mm | 419 mm |
| Depth | 418 mm | 330 mm |
| Weight | 38 kg | 32.7 kg |
| Enclosure | bass-reflex-rear | passive-radiator |
| Drivers | 1× 25 mm tweeter (Teonex compression driver), 3× 200 mm woofer (Advanced Aluminum Matrix cone) | 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) |
| Frequency — low | 37 Hz | 38 Hz |
| Frequency — high | 30000 Hz | 20000 Hz |
| Sensitivity | 92 dB | 99 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | 25–300 W | — |
| MAP (USD) | $5,000 / pair | $4,998 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | jbl.com ↗ | klipsch.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.

