Amazon Echo 4th Generation
Audio
| 3.5mm audio input | Yes |
| 3.5mm audio output | Yes |
| Built-in speaker | Yes |
Technical specifications
| Bluetooth | Yes |
| WiFi | Yes - 802.11 a/b/g/n/ac (2.4 and 5 GHz) |
| Voice recognition | Yes |
Connectivity
| Sidewalk | Yes |
| Zigbee | Yes |
Features
| Alexa+ | Yes |
Warranty
| Device warranty | 24 months |
Compatibility
| App compatibility | Amazon Alexa - iOS and Android |
Power
| Power | Low power mode |
| Power supply | Mains powered |
Sound
| Dolby | Yes |
| Speaker size |
Woofer: 76.2mm Dual tweeters: 20mm x2 |