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Customer reviews for Monster GI30 High-Power Bluetooth Speaker for
Monster GI30 High-Power Bluetooth Speaker
4.3 out of 5 stars
stars
151 ratings82 reviews
  1. 5 stars74% (112)
  2. 4 stars5% (8)
  3. 3 stars7% (11)
  4. 2 stars4% (6)
  5. 1 star9% (14)

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Showing 31-40 of 82 reviews
Jan 20, 2026
Reviewer name: ARMANDO
1 out of 5 stars
1 out of 5 stars review

LEES THAN 1 MONTH AND QUIT WORKING..

Purchased LESS THAN A MONTH AGO! used literally 3 times and now the bass nor the lower speakers want to play! just the voice up top. What a waste of money and time having to load up and drive down to sams club to return this! wouldnt reccomend for the price i also thought it was going to be way louder and my TV sound bar is just as loud.. was excited for many months because i wanted one so bad and finally for xmas i pulled the trigger and bought it.. welp here i am less than a month and it doesnt play and am returning it...

Helpful?42CQT5KJO0AQ13849922357
reply from Customer Service

Hello,<br /><br />We sincerely apologize for the inconvenience. Please reach out to us at support&#64;mymonsteraudio.com, our customer service will gladly assist you.

Nov 7, 2025
Reviewer name: Severely disappointed
1 out of 5 stars
1 out of 5 stars review

Verified Purchase

Bad battery on new merchandise

Brand new and the Battery won't Charge up after several attempts

Helpful?42CQT5KJO0AQ13849922357
reply from Customer Service

Hello,<br /><br />We sincerely apologize for the inconvenience. Please reach out to us at support&#64;mymonsteraudio.com, our customer service will gladly assist you.

Oct 7, 2024
Reviewer name: Kuu
4 out of 5 stars
4 out of 5 stars review

Verified Purchase

Boom boom

"Go big or go home"

Helpful?42CQT5KJO0AQ13849922357
Mar 2, 2025
Reviewer name: Calmness
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Extremely exciting

Great and awesome

Helpful?42CQT5KJO0AQ13849922357
Feb 16, 2025
Reviewer name: Blas
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I will buy again

Met my expectations

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Jan 15, 2025
Reviewer name: LeAnna S
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Best Christmas present ever!

Great system! Sound is perfect

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Mar 8, 2025
Reviewer name: Rick
4 out of 5 stars
4 out of 5 stars review

null

Great blutooth speaker. very loud and powerful. Drives my neighbors nuts. 🤣 2 things i DONT like, 1) No remote. 2) no wireless microphone.

Helpful?42CQT5KJO0AQ13849922357
Dec 31, 2025
Reviewer name: MIREYA
2 out of 5 stars
2 out of 5 stars review

Poor radio quality due to cheap antenna

Speaker is good when using Bluetooth. However, radio feature is horrible due to the antenna quality. The antenna is very cheap. Radio sound is poor. Lots of static.

Helpful?42CQT5KJO0AQ13849922357
reply from Customer Service

Hello,<br /><br />We sincerely apologize for the inconvenience. Please reach out to us at support&#64;mymonsteraudio.com, our customer service will gladly assist you.

Sep 20, 2024
Reviewer name: John Nguyen
5 out of 5 stars
5 out of 5 stars review

Really impressive for the price!

I'm assuming these are still newer since there is nothing you can find online for these guys. Wanted to hook up to an AV receiver to them.. but unsure how. But other than little to no reviews online, I figured I write something. But these are insane and phenomenonal. Clear crisp sound through Bluetooth and just so much power. Could stick this thing in your car and have portable sub woofers hahaha

Helpful?42CQT5KJO0AQ13849922357
reply from Customer Service

Hello,<br /><br />Yes, the Monster GI30 can connect to an AV receiver using a 3.5mm RCA cable. First, plug the RCA cable into the Monster GI30&#39;s &#34;In&#34; port, then connect the red and white RCA connectors to the AVR&#39;s left and right ports. For additional support with our products, please reach out to us at support&#64;mymonsteraudio.com. Our customer service will gladly assist you.

Feb 7, 2025
Reviewer name: mf
2 out of 5 stars
2 out of 5 stars review

Nice speaker, extremely underwhelming bass

I really want to like this, but for the price and size it is hard to justify. For having 2 massive 15 inch subwoofers the bass is virtually non existent most of the time. I played some bass heavy music, and the only tume the bass soinded decent was with the bass boost on. However, huge problem with the design, when the bass boost is turned on, it cancels out the other eq options so the vocals are not near as nice. The volume is ok after its played for a bit, but again it does not feel anywhwre near an 1800 watt system. The speaker looks great and the lights are a nice touch. There are a lot of good qualities about it, but dont expect to be blown away by the sound. I have a little maybe 6 inch sub in a thx computer speaker set, and it puts out more bass than these 2 15 inch subs, it is quite emberassing to be honest. I will likely keep this as i got it for the 100 off sale, and it will be a nice party speaker for the house. I will buy a cable to see if it works to add one if my svs subs to it. If it works properly it will be perfect, if not it will be returned.

Helpful?42CQT5KJO0AQ13849922357
reply from Customer Service

HelloWe appreciate your feedback. The reason the Monster GI30s Bass Boost feature cancels out the equalizer settings is to prevent distortion. For additional support, please reach out to us at support@mymonsteraudio.com, our customer service will gladly assist you.