Front view — side by side at true scale
AATC SCM50SLBJBL Summit Ama
Click either cabinet to swap A ↔ B · Reference height: 717 mm (71.7 cm) · 1 mm = 0.78 px
| A | B | |
|---|---|---|
| Manufacturer | ATC | JBL |
| Model | ATC SCM50SL | JBL Summit Ama |
| Height | 717 mm | 470 mm |
| Width | 304 mm | 292 mm |
| Depth | 425 mm | 336 mm |
| Weight | 41.1 kg | 25.3 kg |
| Enclosure | bass-reflex-front | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (soft dome), 1× 75 mm midrange (soft dome), 1× 234 mm woofer (cone) | 1× 38 mm tweeter (Annular Ring Teonex compression driver), 1× 200 mm mid-bass (Hybrid Carbon Cellulose Composite cone (HC4)) |
| Frequency — low | 40 Hz | 34 Hz |
| Frequency — high | 25000 Hz | 25000 Hz |
| Sensitivity | 85 dB | 84 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 100–1500 W | 25–200 W |
| MAP (USD) | $25,999 / pair | $19,995 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | atc.audio ↗ | 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.