Picture of the Amazon Echo 2nd gen Alexa smart speaker power adapter, logo side view.

AC Adapter Specs for Amazon Echo Generation 2

Here, we give the AC adapter specs for the Amazon Echo Generation 2 smart speaker.  Now the US version of this power plug has non folding AC prongs and a six-foot long attached cord. Plus, it is is light weight for its 21 watt power output. It’s square, compact width and height allows easy fitting into a standard power strip or wall outlet.  It does not block outlets nearby, as shown next.

Picture of the Amazon Alexa Echo Gen 2 smart speaker with power adapter, plugged into wall outlet.
Amazon Alexa Echo Gen 2 smart speaker with power adapter, plugged into wall outlet. AC adapter specs for the Amazon Echo Generation 2.

Still, it silently gives that 21 watts of energy to this newer and smaller, yet better sounding version of the Echo smart speaker. This supply offers steady DC voltage output.  This allows the speaker to crank out that deeper bass, crisp treble, and dynamic range that it’s known for.





This is by no stretch a low-budget AC power adapter. It appears well built. Though it is sealed, it runs with very little heating even at higher output volumes. It emits little if any RFI and EMI noise. And though while not built for repair, the low cost of this switching supply wall adapter, really makes fixing these sorts of ITE devices a thing of the past.

Picture of the Amazon Echo 2nd gen smart speaker power adapter, showing its AC prongs side.
Amazon Echo 2nd gen smart speaker power adapter, showing its AC prongs side.

 AC Adapter Specs for the Amazon Echo Generation 2 Speaker

Model: PS73BR. LO P/N: PA-1210-1AB1. Input: 110-240 volts, 50-60 Hz., 0.5 Amps Max. Output: 15 volts at 1.4 Amps. UL Listed: 9T54. CAN: ICES-3(B)/NMB-3(B) Ac Adapter.  Made in China(P).  I.T.E. Power Supply.  For indoor use. Polarity: Positive center on the DC output “barrel” plug.

Picture of the Amazon Alexa Echo Gen 2 smart speaker AC power adapter, showing its DC output barrel connector against a ruler.
Amazon Alexa Echo Gen 2 smart speaker AC power adapter, showing its DC output barrel connector against a ruler.

The DC output plug, the metal barrel part, is about 10 mm long, with an outer diameter of around 4 mm.

Picture of the Amazon Alexa Echo Generation 2 smart speaker AC power adapter, showing its DC output barrel connector, top view, against a ruler.
Amazon Alexa Echo Generation 2 smart speaker AC power adapter, showing its DC output barrel connector, top view, against a ruler.

The diameter of the positive lead hole at the top of the barrel plug is roughly 3 mm.





This power adapter with its cable and plug, weighs around 4 ounces.

Picture of the Amazon Echo 2nd gen speaker, rear view, with its DC power plug inserted.
Amazon Echo 2nd gen speaker, rear view, with its DC power plug inserted.

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Suggested Reading

  1. 12 Volt Power Adapter Failure on External Hard Drive

References for AC Adapter Specs for Amazon Echo Generation 2

  1. AC Charger for Amazon Echo Dot (2nd Generation) – Power Supply Adapter Cord Cable
  2. Power adapter For Amazon Echo charger and Amazon Fire TV (2nd Generation) Cable 6.7ft Ac Dc adapter Replacement Switching Charger Power Supply For Amazon Echo Cord Wireless Speaker

Revision History

  • 2019-04-06: Added key phrase targeting and took out the ad code.
  • 2017-12-12: First released.
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