AMAZON Echo 2nd Gen Alexa Model #PS73BR with AC Plug. Tested works. Used, excellent. Bundle unit and AC power plug only.
Amazon Echo (2nd Generation), a voice-controlled smart speaker powered by the Alexa virtual assistant. Released on October 31, 2017, this model (often identified as model XC56PY) features a fabric finish, shown here in "Heather Gray". [1, 2, 3]
Key Specifications and Design
  • Dimensions: It measures approximately 5.8" x 3.4" x 3.4" (148mm x 88mm x 88mm). [1]
  • Audio: Equipped with a 2.5-inch down-firing woofer and a 0.6-inch tweeter to provide 360-degree audio, supported by Dolby processing for crisp vocals and dynamic bass. [1, 2]
  • Microphones: Features a seven-microphone array with beamforming technology and noise cancellation to hear commands from any direction, even while music is playing. [1]
  • Connectivity: Supports dual-band Wi-Fi and Bluetooth for streaming music directly from your phone or tablet. [1, 2]
Main Functions
As a smart home hub, the Echo allows you to:
  • Control Media: Stream music from services like Amazon Music, Spotify, and Pandora.
  • Manage Daily Tasks: Set alarms, timers, and reminders; check the weather, news, or sports scores; and manage smart home devices like lights and thermostats.
  • Communication: Make hands-free calls and send messages to other Alexa-enabled devices. [1, 2, 3, 4]
Physical Controls
The top of the device includes four buttons:
  • Volume Up (+) and Volume Down (-).
  • Microphone Off: Pressing this disables the microphones (the light ring will turn red).
  • Action Button: Used for waking Alexa, resetting the device, or managing setup