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Amazon’s Echo Dot is the most cost-effective way to add voice-activated control to your smart home. There’s an Alexa skill for just about every smart-home platform, DIY or custom installed, and second-generation Echo Dot’s cost just $50 each. I have six deployed in my own house, connected to a Vivint Smart Home system. The one drawback: They suck as speakers. The Vaux speaker dock changes that and delivers a bonus: A rechargeable battery that lets you take Alexa all over your house—and out onto the porch, too.
The Vaux costs $50, so it and an Echo Dot still cost less than Amazon’s own portable Alexa solution, the Amazon Tap. The Vaux’s speaker not only sounds better than the Tap, it doesn’t force you to press a button to get Alexa’s attention like the Tap does. The Vaux is equipped with a 5000mAh Lithium-ion battery that the company says can power the combo for about six hours depending on how much you interact with Alexa and how loud you play the speaker. The Tap retains one advantage: A charging dock. Repeatedly plugging and unplugging the micro-USB cable into the Vaux could lead to problems down the road if you don’t do it carefully (treat it like your smartphone and you should be fine).
The dock looks very much like a Sonos Play:1 speaker with its top hollowed out to make room for the Dot. Stub cables with right-angle micro-USB and 3.5mm aux connectors are hidden behind a silicone flap on the back of the speaker. You simply drop the Dot in the cavity at the top, with its inputs facing that flap in back, plug in the two cables and the Dot’s power cable into the Vaux (which doesn’t come with its own AC adapter or USB cable), and you’re ready to go. The Dot will operate while the Vaux’s battery is charging, or you can push a button to turn both devices off for faster charging. A 3.5mm aux input on the back of the Vaux is provided for making hardwired connections to your smartphone, tablet, or digital audio player.
I won’t say that the Vaux sounds great, but its dual active 52mm drivers and a 90mm x50mm passive radiator are vastly superior to the Dot’s built-in speaker. Listening to Bruce Cockburn’s “Mango,” from his album Breakfast in New Orleans, Dinner in Timbuktu, I was impressed with the Vaux’s ability to produce mid-range and high frequencies that were cleaner than what the full-sized Echo (or the Google Home, for that matter) deliver. Cockburn’s guitar work came across crisp and well defined. But the Vaux lacks the beefy low-end that I crave in speakers of all sizes.
On that score, the speakers in the full-sized Echo and the Google Home performed much better. Neither the Vaux nor any of the smart speakers I’ve mentioned will fill even a modestly sized room with quality sound. But it’s easy enough to pair any Echo with a higher-quality Bluetooth speaker for those times when you want to pump up the volume, and you can still do that with an Echo Dot docked to a Vaux.
Michael is TechHive's lead editor, with 30+ years of experience covering the tech industry, focusing on the smart home, home audio, and home theater. He built his own smart home in 2007 and used it as a real-world test lab for product reviews. Following a relocation to the Pacific Northwest, he is now converting his new home, an 1890 Victorian bungalow, into a modern smart home.