Slusalke in specifikacije?

To spodaj so podatki od headseta za PC. Kak nej berem te podatke kot sensitivity, impednace, response bandwindth, binaural in ostalo cudo.
Mi zna kdo povedat kaj pomeni kaj in ali je vecja ali manjsa stevilka bolsa in kaka je razlika med frekvenco 20 - 20000 in 100-16'000 Hz za mikrofon?



Headphones
Connectivity Technology Wired
Sound Output Mode Stereo
Response Bandwidth 20 - 20000 Hz
Sensitivity 105 dB
Impedance 32 Ohm
Headphones Type Headphones - binaural
Headphones Technology Dynamic
Headphones Form Factor Ear-cup
Diaphragm 40 mm
In-Cord Volume Control Yes
Magnet Material Samarium cobalt

Microphone
Type Microphone - built-in - boom
Connectivity Technology Wired
Response Bandwidth 20 - 20000 Hz
Sensitivity -54 dB
Impedance 2.2 kOhm
Microphone Technology Electret condenser
Audio Input Details Omni-directional