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Two plastic sliders across the top of the headband let you adjust how the headset sits on your scalp by distributing the weight more toward the sides or the center. While the GSP 670 seems bulky at first, the generous ear padding and clever weight sliders ensure a comfortable fit that lets you wear the headset for long gaming and listening sessions. The EPOS GTW 70 Hybrid wireless gaming earbuds focus on offering a high-end audio experience for Switch and mobile gaming. The first, contrary to what one might think, is not used to turn on the headphones, but to know the battery level at any time and to force pairing in Bluetooth. The headphones are actually powered up using the large volume potentiometer: you have to increase the volume to turn it on and turn it down to the maximum to turn it off (position 0 turns it off, a very slight “notch” signaling this threshold). The GSP 670 uses the recipes of the GSP series headphones with a sound philosophy that is reminiscent of Sennheiser Hi-Fi headphones. The first part of the audible spectrum is particularly balanced here, even if this reference is intended to be a bit more flattering in the extreme bass than its cousins. The seat is solid, the bass is deep and very well defined. They are perfectly in their place and never mask the upper registers. The upside, though, is comfort: both the headband and the earcups sit on an average-sized head without distress, and the width of the band allows even larger-headed players (like the reviewer) to enjoy lengthy sessions without discomfort. If you don’t mind faux leather, the earcups are perfectly functional, and the way they operate and noise-cancelling muffs, too, should be lauded.
Sennheiser GSP 370 vs Sennheiser GSP 670 - Versus Sennheiser GSP 370 vs Sennheiser GSP 670 - Versus
They come with a USB-C dongle, allowing you to plug them into your Nintendo Switch and PS5, as well as a cable that will allow you to plug the dongle into a PS4, for example. On top of that, they also support Bluetooth, so you can sync them with any device that supports it. The GSP 670 did not hold any surprises for us in terms of comfort. The sensations provided are in fact similar to those of the GSP 600. The headset is easy to handle and easily finds its place on the head, despite its size. Its wide and soft ear cups encompass the pavilions well and the pressure points are correctly distributed.The first two models to come out, the GSP 600 and GSP 500, have recently been joined by a more affordable version (GSP 300), then by a wireless model, the GSP 670, which we are testing today. Sennheiser announces an autonomy that can vary from 16 to 20 hours depending on the connection mode (Bluetooth or owner). In practice, we never managed to exceed 18 hours of use with a full charge only via the proprietary wireless connection, and 15 hours with the double connection with Bluetooth.
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In terms of comfort, the GSP 670 features plush earpads and an adjustable headband, ensuring a comfortable fit for long gaming sessions. The headset also has intuitive controls, allowing users to adjust the volume and other settings easily. The battery life of the GSP 670 provides up to 20 hours of playtime, ensuring extended use without the need for frequent recharging. After the excellent headsets GSP 600 and GSP 500, we reviewed the flagship of Sennheiser’s gaming headsets : the GSP 670. Will the brand’s first wireless model reshuffle the cards and dethrone the best? The bottom edge of the left earcup holds the micro USB port for charging, along with a status LED and a Bluetooth pairing slider. A chat volume dial can be found on the bottom edge of the right earcup, along with a programmable smart button that switches between equalizer presets by default. Known for a long time for its Hi-Fi headphones, Sennheiser has also distinguished itself with the general public in the world of video games. The German brand broke through with its Game Zero and Game One gaming headsets, then confirmed its expertise five years later with its GSP line.Even if we expected a more careful finish (you can easily spot many assembly marks), especially for a headset in this price range, the whole thing seems very robust. No parts creak or squeak after more than a month of daily use. The headset comes with the aforementioned USB dongle and a charging cable, but that's it. No case or stand is included. Like the GSP 370, the GSP 670 has no place to store the tiny dongle when it's not in use. Microphone
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The headband is relatively flexible and supports twists well, while the plastic used seems relatively dense. The brand has made the effort to choose rather light materials; nevertheless the size of the headset makes it quite heavy (400 g). As we know, Sennheiser does not like to do things like everyone else. The ergonomics of this model prove it once again. Interaction with the headphones goes through a switch, a button and two potentiometers. All in, the fact remains that the GSP 670 is one of the best Sennheiser gaming headsets - and a seriously excellent gaming headset, period. On that note, the presentation of teammates' voice audio is also great in the GSP 500s and better than the 300s overall - voices can be difficult for gaming headsets to master, but the GSP 500 is one of the best Sennheiser gaming headsets for this. The microphone of the GSP 670 fulfills its mission brilliantly and is even placed as a reference among wireless headsets. We just can’t find anything to complain about. The signal is powerful, clean and perfectly balanced.Like its wired companions, the GSP 670 has an atypical and imposing design. The headset is made mostly of plastic parts, except for the metal hinges that connect the ear cups to the headband. Battery life is the only minor weak point with Senheisser’s quoted 20 hours Bluetooth, and 16 hours low-latency estimates proving a wee bit optimistic during testing. I tended to get closer to 10-12 hours using the low latency connection. My only other minor quibble with the design is that it uses a micro-USB, not USB-C charge input, which is a bit of a faff considering most hardware has moved to the newer standard. Sennheiser GSP 670 audio quality – Amazing sound and clear mic Bluetooth integration is also of little interest in a configuration with a dual proprietary wireless/Bluetooth connection, because there is no way to switch manually and easily from one to the other, and even then less to mix the signals. Only a call on the device connected via Bluetooth will force the switch. Once done, it is not possible to easily return to the signal coming from the USB transmitter. In our case, we had to manually disconnect the Bluetooth source or turn the headphones off/on.
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