Amazon Echo smart speakers utilize AUX ports for audio connectivity

Amazon Echo smart speakers feature AUX ports that serve different functions depending on the specific model. These 3.5mm analog connections can act as either an audio output or an audio input.

As an audio output, the port allows users to send sound from the device to external speakers or an amplifier. As an audio input, the Echo functions as a speaker for content played from external devices like smartphones, tablets, or computers.

Specific models include the Echo Dot (3rd and 4th generations) and Echo (4th generation), which offer output capabilities, while the Echo Studio and certain Echo models provide configurable or dedicated input options. While this feature is becoming less common in newer hardware, it remains a functional tool for integrating Alexa with external audio systems.