Photos and Features

So unlike the PC-350’s, I covered previously the GSP 300’s are smaller and more of an on-ear design rather than the over the ear design I normally prefer. That’s not to say that the smaller design is bad at all, a lot of people like a smaller on-ear design. Anyhow the right side of the headset has the Sennheiser logo down by the earcup and the GSP 300 name in small letters up on the headband. This side also has a volume control knob with a tiny bit of blue trim. Sennheiser kept things simple with no lighting or flashy colors and the only control is an easy to grip volume knob.



The headband on both sides is expandable and has about an inch and a half of expansion per side so it should fit both small and large head sizes. I will test that out more in our performance testing of course. There are small increments with a solid click for each so it should lock into place and not change after you set it.


The headband itself splits into two bars across the top of your head. I think this helps with stability without having a thick pad across the top causing you to get hot. On the underside, it has a bright blue padding made out of a mesh material. It reminds me a lot of Logitech’s color and material for their headsets. The padding has a small contact patch because of the split design but it is still surprisingly thick so padding should be comfortable up top.



While I like the mesh for the headband, I was really happy to see they didn’t use it on the earcups. When Logitech did it it would rub on my ears. Sennheiser went with a fake leather like most headphones. I will say the padding material does look better than most though. Inside is a little more blue covering up the drivers. Sennheiser didn’t release any information on the driver size but they do have a 15-26,000 Hz frequency response range. For comparison, the SteelSeries Arctis that is one of my preferred gaming headsets has a range of 20-22,000 and the V-Moda Crossfade Wireless have a range of 5-30,000 so the GSP 300’s fall in between. The VModa aren’t a great comparison though considering they cost 3 times as much so the GSP 300’s seem to be above even the highest standards for typical gaming headphones.


The microphone, when compared to the smaller headphone design, is actually fairly big. The arm itself is a little thick and the microphone area itself is even thicker. The boom is made of plastic but in the middle, there is a flexible rubber area to give you a little adjustment. They flip up and turn off the microphone as well when you aren’t using it. It is noise canceling and it has a frequency range of 10–15,000 Hz. This is significantly lower and higher than the microphone on the Arctis 5. It even picks up a little lower than the ModMic 5 in Omni Directional mode and beats it Uni-Directionally.




The headphone cord is 2 meters long or 6 and a half feet for us Americans. Unlike a lot of gaming headphones, Sennheiser skipped using any sort of sleeving, not that it makes much of a difference. It has a microphone jack and a headphone jack so standard PC compatibility is there from the start and they do include the adapter to combine them back down to a single plug for mobile or console use.



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