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.
Profile view — at true scale
AATC SCM50ASLBATC SCM20ASL
Click either cabinet to swap A ↔ B · Reference height: 717 mm (71.7 cm) · 1 mm = 0.78 px
| A | B | |
|---|---|---|
| Manufacturer | ATC | ATC |
| Model | ATC SCM50ASL | ATC SCM20ASL |
| Height | 717 mm | 450 mm |
| Width | 304 mm | 250 mm |
| Depth | 480 mm | 411 mm |
| Weight | 48.9 kg | 24.3 kg |
| Enclosure | bass-reflex-front | sealed |
| Drivers | 1× 25 mm tweeter (soft dome), 1× 75 mm midrange (soft dome), 1× 234 mm woofer (cone) | 1× 25 mm tweeter (soft dome), 1× 150 mm mid-bass (cone) |
| Frequency — low | 38 Hz | 55 Hz |
| Frequency — high | 25000 Hz | 25000 Hz |
| Sensitivity | — | — |
| Impedance | — | — |
| Recommended amp | — | — |
| MAP (USD) | $33,999 / pair | $6,990 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | atc.audio ↗ | 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.