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Sony XM-GS400 Open Box Complete thumbnail image
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5 star
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4 star
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Durability
4
Value
4
Features
4
Design
4
Usability
5

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A worthy little powerhouse.

The only con of this amp that I can think of, which is more of a preference than a con, is that the amp adopts the little fork terminals as opposed to utilizing the lug setscrew type. Nevermind that was a lie, the lack of pre-amp outputs makes it less flexible in the expansion arena when it comes to running more than one amp running in the system. Also it likes to breathe, so its best installed in a manner that allows the air to freely and easily flow through and around it so as to maximize the service life of the onboard cooling fan. otherwise heat builds up quickly and will throw the amp into thermal protection mode. Those are the bullet point cons of the Amp.

I've used it to drive a single MTX thunder 4000 10" in a sealed enclosure. A pair of Infinity Reference 10" in a center slot ported Obcon enclosure. and A single Infinity Reference 10" in a sealed enclosure. in all three setups this little magic monster brought the snarl and chest thumping out of the 10" subs in a serious way. Clean sound. rich full bodied bass, especially with its kicka$$ variable 10db boost @ 40hz that helps augment the bottom end. Approved as a sub driving amp.

I have recently incorporated this amp into my daily driver to power aftermarket front and rear mains with stock tweeters (CDT Audio ES-6CV), previously powered by a stock Harmon Kardon amp. Holy schneeezel butter beetle! I don't think I've heard better, or cleaner at this volume before, and if so, I clearly forgot. The onboard variable Xover is easy to adjust and makes this little gem a flexible powerhouse.
70W RMSx4 never sounded so dang good. Approved as a Mains driving amp.

By Dylan on September 29, 2022 Checkmark Icon Verified purchase


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