Como faço para torná-los mais silenciosos?
Use o controle de volume in-line.
Nota
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Uma revisão do cliente informa "o controle de volume está com defeito". Veja abaixo.
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Uma solução alternativa é instalar o link em um dispositivo de áudio e ajustar o volume principal do dispositivo.
Controles in-line intuitivos
Making adjustments is a breeze with the convenient in-line volume and microphone mute controls that also incorporate a light indicator to show the microphone mode status.
Fonte ChatMax HS-720
O controle de volume está com defeito?
Con: I can not set the volume to a sensibly low volume! Although the volume control on the computer would allow much lower settings, the little amplifier in the USB plug just shuts off after 1 second if I go below a certain level (at least I think that's what happens) . That threshold is way too high, it is just bearable, but uncomfortably loud to listen to music for longer.
Your mileage may vary. If you're half-deaf already and want to use it for gaming at a loud LAN-party or so, this might be for you.
Fonte Headset Creative ChatMax HS-720
Solução alternativa usando o EqualizerAPO
I recently got a USB headset (Creative ChatMax HS-720 for the record), and I've been having a problem where my computer thinks it's a set of speakers, and as a result, the volume is extremely loud and only the minimum setting is bearable. The volume control on the headset doesn't help because it only adjusts the volume of my computer (already at minimum).
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I found a fix. http://sourceforge.net/projects/equalizerapo/
You can install this program to an audio device and adjust the device's master volume.