Part-Robot, All-Speaker: Gravastar Mars Pro Speaker Review!

Today we’re taking a look at the Gravastar Mars Pro. It’s a wireless bluetooth speaker that comes with a cool and unique design, unlike anything else we’ve seen before on the market. That said, there’s a lot of neat features that Gravastar has packed into this speaker that really set it apart from the rest of the competition.

If you’re interested in checking this out, read on below for our review – let’s get started!


The thing that stands out the most about the Mars Pro is the sci-fi inspired mecha design. If you didn’t already know that this was a bluetooth speaker, you’d probably think that it was a collectible, or a model kit of some sort. Obviously we have the black model here, but Gravastar also offers different color styles for you to choose from.

Gravastar says that the speaker is built with zinc alloy material, and you can definitely feel the metal parts of the outer shell when handling the speaker. There are some plastic parts built into it, but I think that’s a good thing as the speaker is heavy enough as it is. The Mars Pro features Bluetooth 5.0 connectivity, a large 8000 mAh battery, and RGB lighting all over, which adds to the overall sci-fi aesthetic.

I love how it looks, and you can even change how the lights operate. You can change the color altogether, or set it to gradually cycle through all the RGB colors, and you can even set the lights to flash along to whatever music you’re playing.

Set-up & Controls

The Mars Pro comes with a very straightforward control set-up. There’s three main buttons on the top of the speaker for Bluetooth controls and pairing, a main power switch that also doubles as a play and pause button, and a button to control the LED lights. 

You can also control your music volume on the Mars Pro using the capacitive panel on top of the speaker. It’s a pretty cool way to adjust your volume and there’s even an LED indicator so you can see your current volume level.

On the bottom is a USB type-C port which is used for charging, but you can also use it as a line-in port to play music from your phone’s 3.5mm audio jack.

The Mars Pro is pretty easy to set up. You just need to press the Bluetooth switch to go into pairing mode, and your device should see the Mars Pro speaker right away in the Bluetooth settings menu. You can pair it with smartphones, tablets, and other Bluetooth compatible devices.

Sound Quality & Battery

The Gravastar Mars Pro sounds good, simply put. The speaker has a very powerful bass but it still manages to give a balanced sound, so it doesn’t drown out your mids and highs. The front of the speaker has a 1” tweeter, and around the back you’ll find a 2.5” full-range speaker with a 20W maximum output. 

Vocals still manage to sound pretty clear, and the deep bass tones do a great job of giving you a well-rounded listening experience.

Gravastar says that the Mars Pro can last for up to 15 hours playback time thanks to the 8000 mAh battery, which is pretty impressive. We’ve managed to get around the same amount of playback time, but of course volume levels as well as the RGB lighting will affect how your battery lasts until the next charge.

Should You Get It?

Now it is a bit on the expensive side coming in at around 229 bucks for the standard edition. To be honest this is pretty expensive for a bluetooth speaker, and there are some more affordable alternatives out there. But I think it’s worth the asking price because of the sound quality, build, and a design that you won’t get anywhere else.

Overall, I think that the Gravastar Mars Pro is an impressive product, and the style and design in particular is of course something that should pique the interest of sci-fi and mecha fans, or people looking for something unique to add to their desk setup.