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EPOS | Sennheiser GSX 300 External Gaming Sound Card Review
Back in 2018, Sennheiser quietly shed their entire gaming division to their long-time external partner Demant, who had been silently designing all of Sennheiser’s headset products. I was shocked at this. Gaming and bluetooth are huge growth sectors in audio right now, and while Sennheiser couldn’t have seen 2020’s work-from-home virus saga coming, it’s still wild to me that they got out of headsets altogether while others are seeing explosive sales growth.
Not only did EPOS get the rights to all of Sennheiser’s existing gaming headsets they had helped design, they also received license to use the brand name in marketing those older products until the EPOS brand can be better established going forward. That’s why this gaming headset amplifier has such an awkward name with two companies in front of it.
Unfortunately, in spite of amazing top-tier sonic performance, the awkwardness doesn’t stop with the name.
I bought this amplifier with my own funds. I don’t receive a kickback if you decide to buy one, and none of the links in this article are affiliate links. I wasn’t sponsored to write this, and I had full editorial control over this article.
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The EPOS | Sennheiser GSX 300 is a $79 USB-powered gaming headset amplifier and DAC designed for use with Windows(official site here). It is the first brand new product in the lineup released after the EPOS switch-over, and first went on sale in 2020. It comes in both black and “Snow Edition” white colors, and receives regular small discounts across online retail partners. I bought mine for about $71 from Amazon.
Unlike some other PC desktop amplifiers, the GSX 300 is explicitly built around powering gaming headsets, with a strange commitment to a dual jack connection. Separate mic and headphone plugs are still somewhat common on desktop PC motherboards, but single jack 4-pole 3.5mm connections have risen to prominence in the console and…
