Why is Echo (4th Gen) better than AIO?
Echo (4th Gen) has no measurable advantages in this pair.
Why is AIO better than Echo (4th Gen)?
AIO has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | — | 100 W |
| Speaker channels | 2.0 | 2.0 |
| Channel count | 2 | 2 |
| Stereo | Yes | Yes |
| Battery & charging | ||
| Mains powered | Yes | Yes |
| Battery powered (portable) | No | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5 |
| Bluetooth codecs | — | aptX, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | Yes |
| LDAC | — | No |
| 3.5 mm jack / AUX | Yes | — |
| Optical input | — | Yes |
| Smart & streaming | ||
| Wi-Fi | Yes | Yes |
| Multiroom | Yes | Yes |
| Voice assistant | Alexa | — |
| Voice assistant built in | Yes | — |
| Smart home hub (Zigbee / Matter / Thread) | Yes | — |
| Companion app | Yes | Yes |
| Features | ||
| Hands-free calls | Yes | — |
