Amazon Echo smart speakers use a proprietary barrel jack power connector. The original Echo uses a 3.5mm or 4.0mm barrel connector at 15W-30W depending on model generation.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Center Positive | DC power positive | PWR |
| 2 | Outer Sleeve | DC power ground | GND |
Amazon Echo smart speakers use a proprietary barrel jack power connector. The original Echo uses a 3.5mm or 4.0mm barrel connector at 15W-30W depending on model generation.