Dobrý den, koupil jsem si tuto zvukovku, zvuk v pohodě ale jak zapíchnu i mikrofon tak se do sluchátek/repráků pouští šum a nevábné zvuky.. dá se s tím něco dělat? děkuji

With USB HQ audio, the AXAGON ADA-15 MINI Adapter quickly and easily complements the computer with an external USB sound card. The installer can be handled even by a layman - the adapter only plugs into the computer's USB port and the rest is done automatically.
The miniature sound card is suitable for both desktops, notebooks and ultrabooks and also allows connection of stereo headphones, a microphone or headset. For example, when you need to make a Skype call, at this moment it will serve as a substitute for the original sound card in your notebook.
The advantage of USB DAC ADA-15 is primarily high-quality 24-bit audio with 96 kHz sampling, both during playback and recording in stereo, for example, a mobile phone, MP3 player or even when digitizing old recordings from cassette tapes.
Input interface:
1x USB 2.0
Number of audio channels:
2
Outputs:
Analog 2-channel 16/24-bit output (3.5 mm stereo jack)
stereo output for headphones or powered speakers.
Inputs:
Analog 2-channel 16/24-bit input (3.5mm stereo jack)
stereo microphone input and input for recording an analogue signal.
Sample rate, resolution, and noise output of the converter (DAC):
Analogue - 44.1 / 48 / 96kHz @ 16/24-bit playback,
Signal/noise ratio (SNR Output)> 95 db,
Harmonic distortion (THD + N Output) <-85 db.
Sampling rate, resolution and noise of the input converter (ADC)
Analogue - 44.1 / 48 / 96kHz @ 16/24-bit recording,
Signal/noise ratio (SNR Input)> 90dB
Harmonic distortion (THD + N Input) <-80 db.
Indicators:
The green LED to indicate data transfer (flashing).
Other features:
USB2.0 full speed 12 MB/s USB1.1 compatible.
Built-in direct USB connector type A male.
Easy installation thanks to the full support Plug and Play.
The ability to connect running devices, thanks to the Hot Plug support.
Complies with USB Audio Device Class Specification v1.0.
Complies with USB HID Class Specification v1.1.
The adapter power over USB bus (bus power) - requires no additional power supply.
VIA VT1630A chipset used.
Further information:
Miniature dimensions 39 x 24 x 12 mm, is inserted into the USB port adapter Extends only 27 mm.
Weighs just 8 grams.
Sound card settings in Windows allows you to:
Adjust the volume and balance of your speakers,
Setting the microphone for listening,
Advanced features speakers: Bass boost, virtual surround sound, Correction to the room Volume compensation,
Set the sample rate and bit depth for reproduction and recording,
Setting automatic gain level for the microphone (Automatic Gain Control)
Manual adjustment of amplification level for the microphone.
Supported operating systems:
MS Windows XP / Vista / 7/8 / 8.1 and later, Windows Server 2003/2008/2012 and newer (support for all 32- and 64-bit versions of Windows), Mac OS X 10.4.x higher, Linux 2.6 kernel. x higher.
Note: The drivers are part of the supported operating systems which will be installed automatically. No other driver installation is needed.
Compatible with all programs for Internet telephone, all thanks to the sound card.
Specifications can be changed without notice. Images are for illustrative purposes only.