Front view — side by side at true scale
AATC SCM20ASLBJBL 4329P
Click either cabinet to swap A ↔ B · Reference height: 516 mm (51.6 cm) · 1 mm = 1.09 px
| A | B | |
|---|---|---|
| Manufacturer | ATC | JBL |
| Model | ATC SCM20ASL | JBL 4329P |
| Height | 450 mm | 516 mm |
| Width | 250 mm | 322 mm |
| Depth | 411 mm | 322 mm |
| Weight | 24.3 kg | 15.5 kg |
| Enclosure | sealed | bass-reflex-front |
| Drivers | 1× 25 mm tweeter (soft dome), 1× 150 mm mid-bass (cone) | 1× 25 mm tweeter (Annular Ring Teonex compression driver), 1× 200 mm mid-bass (Pure Pulp cone with black-paper cap) |
| Frequency — low | 55 Hz | 28 Hz |
| Frequency — high | 25000 Hz | 25000 Hz |
| Sensitivity | — | — |
| Impedance | — | 6 Ω |
| Recommended amp | — | — |
| MAP (USD) | $6,990 / pair | $4,500 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | atc.audio ↗ | global.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.