TrueSpecs
Compare technical specifications (up to 4 speakers).
HiFi Ladder
Browse every speaker side by side, ordered by size or by price.
HiFi Search
Find speakers by the specs you want.
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — overlaid at true scale
AJBL Summit AmaBATC SCM50SL
| A | B | |
|---|---|---|
| Manufacturer | JBL | ATC |
| Model | JBL Summit Ama | ATC SCM50SL |
| Height | 470 mm | 717 mm |
| Width | 292 mm | 304 mm |
| Depth | 336 mm | 425 mm |
| Weight | 25.3 kg | 41.1 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 38 mm tweeter (Annular Ring Teonex compression driver), 1× 200 mm mid-bass (Hybrid Carbon Cellulose Composite cone (HC4)) | 1× 25 mm tweeter (soft dome), 1× 75 mm midrange (soft dome), 1× 234 mm woofer (cone) |
| Frequency — low | 34 Hz | 40 Hz |
| Frequency — high | 25000 Hz | 25000 Hz |
| Sensitivity | 84 dB | 85 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | 25–200 W | 100–1500 W |
| MAP (USD) | $19,995 / pair | $25,999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | jbl.com ↗ | atc.audio ↗ |
| 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.

