TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — overlaid at true scale
Click either cabinet to swap A ↔ B · Reference height: 520 mm (52.0 cm) · 1 mm = 1.08 px
JBL Summit AmavsDynaudio Confidence 20
The Dynaudio Confidence 20 stands 52.0 cm tall — about 5.0 cm more than the JBL Summit Ama at 47.0 cm. On footprint the JBL Summit Ama is the wider cabinet (29.2 cm versus 23.3 cm). At 87 dB against 84 dB, the Dynaudio Confidence 20 is the easier load to drive and plays louder from the same amplifier. The JBL Summit Ama reaches deeper in the bass, down to 34 Hz versus 42 Hz. Low frequencies come from a 200 mm cone on the JBL Summit Ama and a 180 mm cone on the Dynaudio Confidence 20. On price, the JBL Summit Ama sits higher — about $19,995 a pair against $13,000 for the Dynaudio Confidence 20.
| A | B | |
|---|---|---|
| Manufacturer | JBL | Dynaudio |
| Model | Summit Ama | Confidence 20 |
| HiFi ladder position | #184 of 215 bookshelf | #194 of 215 bookshelf |
| Height | 470 mm | 520 mm |
| Width | 292 mm | 233 mm |
| Depth | 336 mm | 414 mm |
| Weight | 25.3 kg | 27 kg |
| Enclosure | bass-reflex-rear | bass-reflex-down |
| Drivers | 1× 38 mm tweeter (Annular Ring Teonex compression driver), 1× 200 mm mid-bass (Hybrid Carbon Cellulose Composite cone (HC4)) | 1× 28 mm tweeter (Esotar 3 soft dome with DDC Lens), 1× 180 mm mid-bass (NeoTec MSP cone) |
| Frequency — low | 34 Hz | 42 Hz |
| Frequency — high | 25000 Hz | 22000 Hz |
| Sensitivity | 84 dB | 87 dB |
| Impedance | 4 Ω | 6 Ω |
| Recommended amp | 25–200 W | — |
| MAP (USD) | $19,995 / pair | $13,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | jbl.com ↗ | dynaudio.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.