vs
Dimensions
Size comparison
Echo Show 21Zeppelin Pro Edition
| Echo Show 21 | Zeppelin Pro Edition | Difference | |
|---|---|---|---|
| Height | 340 mm | 210 mm | +130 mm |
| Width | 540 mm | 650 mm | −110 mm |
| Depth | 38 mm | 194 mm | −156 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Echo Show 21 better than Zeppelin Pro Edition?
Echo Show 21 has no measurable advantages in this pair.
Why is Zeppelin Pro Edition better than Echo Show 21?
Zeppelin Pro Edition has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | — | 240 W |
| Speaker channels | — | 2.0 |
| Channel count | — | 2 |
| Lowest frequency | — | 35 Hz |
| Highest frequency | — | 24,000 Hz |
| Hi-Res Audio | — | Yes |
| Stereo | — | Yes |
| Battery & charging | ||
| Mains powered | Yes | Yes |
| Battery powered (portable) | No | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5 |
| Bluetooth codecs | — | aptX Adaptive, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | Yes |
| LDAC | — | No |
| USB-C | — | Yes |
| Smart & streaming | ||
| Wi-Fi | Yes | Yes |
| AirPlay | — | Yes |
| Spotify Connect | — | Yes |
| Voice assistant | Alexa | — |
| Voice assistant built in | Yes | — |
| Screen | Yes | — |
| Companion app | — | Yes |
| Design & build | ||
| Weight | — | 6,600 g |
| Width | 540 mm | 650 mm |
| Height | 340 mm | 210 mm |
| Depth | 38 mm | 194 mm |
| Colours | Black | — |
