JBL Quantum Headphones Upgrade tool redefines your headphones experience. Through your macOS device, you can now conveniently upgrade the headset.

Music sounds very good on the Quantum 800 when you use the right settings. Like with the Quantum One, I found the bass to sound thin unless you use the Bass Boost EQ preset, which produces a more robust sound that doesn’t sacrifice any clarity in the mids or highs. Curiously, using the QuantumSurround simulated surround mode produces the best balance when listening to music. The mode boosts treble to match the strong bass, and while the result is a somewhat scooped signature that isn’t particularly accurate, it’s an exciting and balanced sound. Stereo and DTS modes don’t boost the higher frequencies, so music can sound a bit flat or (if you use the Bass Boost preset) bass heavy.

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Unbeknown to me, my wife had been talking to me and as I had not responded, decided to put her face to the side of mine. You know in those horror movies when there isn’t something there, and then there is. Yes, I screamed, and it was met with hysterics from both my wife and the TC crew who were on the other end of the voice chat! I certainly needed a few minutes after that!

The boom microphone is very sensitive and sounds excellent with some tinkering. My first test recordings were filled with sibilance, but after I reduced the microphone volume a bit in the QuantumEngine software, it worked much better. Test recordings after the adjustment were clear and sharp. The Quantum 800's are easy to use between different devices, very straight forward. They have great range with the usb adapter. No complaints about audio quality, except when using their Surround Sound settings. I can't tell if it enhances games, but with music quality through the pc it tends to dull the audio. According to JBL, the Quantum 800 can last up to 14 hours with the lights disabled. Your use will vary depending on the volume level you use and whether you keep the lights on. Connectivity and SoftwareThe noise cancellation isn’t quite as strong as Bose’s ANC technology, but the Bose Noise Cancelling Headphones 700 are twice as expensive as the Quantum 800. In this price range, if you want good ANC (and don’t need a boom mic), the Sennheiser HD 450BT is an excellent pair of headphones with audiophile-pleasing sound. Otherwise, you’ll be spending much more for better noise cancellation. Performance JBL’s QuantumEngine software lets you adjust a variety of features on the headset. It provides a 10-band customizable EQ with multiple presets, to start. You can also toggle DTS simulated surround, JBL’s own QuantumSurround, or disable simulated surround entirely. The colored lighting on the sides of the earcups is also programmable, and you can adjust both the JBL logo and the outer light ring to cycle through up to five different colors at various speeds. The microphone menu offers few options, but you can adjust the sidetone (how much of your voice comes through the headphones when you talk) in addition to mic volume. Microphone