review

Sennheiser GSP 670 Review Wireless Closed Back Gaming Headset

Tuesday, August 20, 2019

Not everybody who likes gaming likes having a DAC amplifier with external mic for their gaming setup.
If you are a gamer who likes plug and play convenience, a gaming headset like the Sennheiser GSP 670 is the way to go, more so because of the GSP 670 bluetooth wireless and 2.4GHz radio capabilities.
The Sennheiser GSP 670 headband and earcups are connected via a swivel and tilt metal hinge mechanism reminiscent of an articulated robotic arm. The quality build is solid all the way around and matched by a snazzy all-black color scheme with gun metal accents.
What sets the Sennheiser GSP 670 apart from other gaming headsets is simultaneous support for both 2.4GHz radio frequency and bluetooth connectivity.
This means, you can have the Sennheiser GSP 670 connected to a computer via the 2.4GHz wireless dongle, as well as a smartphone via Bluetooth 5.0 connectivity so, you can take calls while gaming. After ending an incoming call, call audio is automatically returned to game audio., which is super convenient.
Simultaneous support for both 2.4GHz radio and bluetooth is great but it's limited because you cannot have bluetooth connection audio playing at the same time as the 2.4Ghz connection.
The connectivity source input is automatically selected by the headset based on sound input so, if you play audio on your phone and pause it and then play audio on your computer, the computer input takes over.
The GSP 670 also supports multipoint and will remember paired devices. You can pair the headset to a maximum of eight different devices.
When streaming via bluetooth, the highest resolution audio the GSP 670 can stream is SBC quality. To enjoy higher and wider audio resolution and less lag, you have to stream audio via the included 2.4Ghz dongle, which gives you support for aptX, aptX Low Latency and AAC.

Both bluetooth and dongle connectivity have a 10-meter wireless range though, the dongle delivers a more reliable signal because of the dongle's dedicated radio frequency; hence no interference issues like you can get when you have connected bluetooth devices in close proximity of each other.
When charging the Sennheiser GSP 670 headset, it has to be done via USB unless you can find a wall charger that can output 5V/ 650 mA. USB 2.0 ports can draw a maximum of 500mA, while USB 3.0 ports can draw a maximum of 900mA; hence you want to connect the GSP 670 to a USB 3.0 for faster charging since the GSP 670 also happens to support quick charging over micro USB.
A 15-minute charge gives you 4 hours of playback and you can use the GSP 670 headset while charging. A full one-hour charge gives you up to 19 hours via bluetooth and up to 15 hours via 2.4Ghz.
If you have both bluetooth and 2.4Ghz running at the same time, you are looking at 11 hours battery life. There is battery management integration as well, which turns the headset off automatically when audio signal is not detected for more than a minute.
The headband clamping force adjustment is a neat feature that works via two slides on top of the headband that let you adjust how wide the headband is to fit your head. The headband measures 6cm wide and has a fairly thin but soft and squishy padding.
The Sennheiser GSP 670 over-ear earpads have a rather quirky ear-shape design. They are made with memory foam, synthetic leather on the outside and microfiber-like material on the inside. Thanks to the memory foam and microfiber you can easily wear the GSP 670 headset for hours on end, which is perfect for those who enjoy binge gaming marathons.
The addition of microfiber fabric to the GSP 670 earpads is a thoughtful touch because of the GSP 670 closed-back headphone design, which always generates more warmth than the open-back design.
Microfiber is strong and extremely breathable; hence why it's also used for yoga pants and linens. The ability of microfibre to absorb moisture and dry quickly means the GSP 670 earpads do a good job of absorbing sweaty moisture from the ears and drying it fairly quickly.
The Sennheiser GSP 670 earpads are also detachable from the earcups, snapping off and snapping on very easily.
The earpads have a 2.5cm depth so fairly shallow, meaning those with protruding ears may experience contact with the driver housing. The overall fit is compatible despite the 400-gram weight of the headset. The side plates of the headset are also removable.
As mentioned earlier, the GSP 670 earcups aren't rounded like most gaming headsets. The internal dimensions of the earpads are 2.5cm at the bottom end, 4cm in the middle and 3.5cm at the top. The internal height is 7cm. The outer dimensions are 11cm high and 8cm wide in the middle.
Something else worth pointing out about the Sennheiser GSP 670 is the passive isolation, which is tremendously isolating in a good way. The tight seal to the head really gives you an absolute shut-off, immersive experience you most probably haven't experienced before
The Sennheiser GSP 670  boom arm mic measures 11cm long and it's activated when is down and muted when the mic arm is pulled all the way up.
The GSP 670 microphone integrates an electret condenser capsule with a bi-directional polar pickup pattern so, sound is picked up from the front and back of the microphone. The frequency response of the mic is between 10Hz and 7,300 Hz and has a high sensitivity (-47 dBV/PA) so, the mic has a fairly loud volume gain.
The left earcup, containing the swivel boom mic, features the micro USB port and the bluetooth pairing button switch, which also activates a voice prompt, indicating battery percentage.
As far as the Sennheiser GSP 670 headphone audio, it delivers super loud volume gain (112 dB), clear treble sound, and as expected, very deep bass, thanks to supporting 7.1 surround sound. The frequency response range is between 10 Hz and 23,000 Hz.
The Sennheiser GSP 670 can also be wired via the included micro USB to USB-A cable, which also doubles as the cable for charging the GSP 670 internal battery.
The GSP 670 main volume dial is built-in to the boom mic rotating mechanism and has a tactile and clicky feedback to it when regulating the volume. Turn the wheel all the way down and it powers off the GSP 670 headset.
When paired to a computer, the required drivers will automatically install and register the Sennheiser GSP 670 headphones as two different audio devices - a chat device and a game device - for chatmix. You can control the mix of both the game and chat audio via the in-chat volume control, which is the small dial wheel located under the game audio volume wheel.
Just below the small wheel dial, you also find a small button, which is programmable for toggling between 7.1 and 2.1, as well as cycling between your EQ presets without having to do it from the Sennheiser gaming suite.
Speaking of Sennheiser's gaming suite, it is the desktop software application that lets you activate
7.1 surround sound, as well as adjust the EQ, change mic settings and customize presets that you can activate via the small button on the left earcup.
From the software, you can also enable the headset to go to sleep if it doesn't detect movement after 60 minutes, as well as enable side tone, which allows background sound to enter the headphones.
 The application software is a neat addition; however, if you are running a version of Windows lower than Windows 10, the Sennheiser's gaming suite won't be compatible because the desktop software for the GSP 670 headset currently supports Windows 10 only. As far as game consoles, the headset will work with Playstation 4 consoles bit not Xbox consoles.
Accessories include a 1.5 meter long micro USB cable for charging the headset, a GSA 70 dongle and user manual.

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