I have two of these Echo Plus speakers and I've set them up in both Mono and in Stereo. The wired auxiliary input port is a stereo input port, not mono. So if you use only one Echo Plus with stereo sound going into it, you hear both left and right sides coming out of the one speaker, which is very cool. The vice versa is also true. If Alexa plays a song for you, and you use the AUX port as line out, the music comes out in stereo (not Mono). So it separates the left and right channels into whatever you plug it into. PROS The stereo AUX port can be used as line in or line out via the app setting. Using two of these in stereo (via the app) provides lots of sound for such tiny speakers, easily loud enough to use outdoors in a very large open area. Certainly loud enough to bother neighbors. The volume gets very loud, comparable to a much larger speaker. Putting the speaker on the floor or on the ground (instead of on a table) makes a lot of bass and sounds better when listening to it from at least 20 or more feet away. The Alexa feature is very responsive, just as good as an Echo Dot that I also own. CONS I prefer the way the Alexa voice sounds in my Echo Dot better than on this Echo Plus. The Dot has better sounding vocals. The Plus has more bass and treble and not enough midrange, so the Alexa voice is not as clear as it is on the Dot. The bass is good but a little boomy (almost muddy) compared to a comparably sized Bose or TV sound bar. The bass and treble controls in the app don't allow enough of an adjustment. Don't get me wrong - I love bass, but with this speaker I actually wish I could crank the treble and midrange higher and reduce the bass more in order to get more clarity. Also, the volume of Alexa's voice is much louder than either the Bluetooth or Aux inputs, so while listening to music via an input, I refrain from using Alexa because Alexa is obnoxiously louder than the tunes I'm listening to. There should be separate input volume level adjustments for inputs and Alexa. The speaker takes too long to boot up after being plugged in. There is no on/off switch to put it in standby. Plugging it in turns it on and unplugging it turns it off. So it's not the most portable device and is best left plugged in all the time in one place. There is no battery, so it must have a constant power source. The power plug is round like a laptop plug and requires a good sized AC brick. The setup is very similar to a laptop. Would prefer a USB C or similar type universal power plug. In summary, I think Alexa's voice sounds best on an Echo Dot device. Plus the Dot uses a standard USB power plug that can be plugged into a phone, cigarette lighter, laptop, etc making it much more versatile and portable. The Echo Plus is a good speaker, but I don't think it's worth over $100 for a new one. There are MUCH better sounding speakers for the same price that are also rechargeable.Read full review
Verified purchase: Yes | Condition: Pre-owned
I've only had the Pro a short time. Sound is very good, much better than my Dot or Show 5.
Verified purchase: Yes | Condition: Pre-owned
Great, clear sound for a small speaker. Paired it with another Echo plus for true stereo and an Amazon subwoofer for bass. Seamless, took 5 minutes through Alexa app.
Verified purchase: Yes | Condition: Pre-owned
been using this speaker since I bought it. very good and have no complaints what so ever
Verified purchase: Yes | Condition: New
Our 2nd purchase of this model to place around the house - the best sound quality of all of them.
Verified purchase: Yes | Condition: New
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