Bungwe lopanda phindu "Russian Quality System" (Roskachestvo), lomwe linakhazikitsidwa ndi Boma la Russian Federation, lasindikiza chiwerengero cha mahedifoni omwe ali ndi mawaya okhudzana ndi gwero la chizindikiro.
Kafukufukuyu adachitidwa limodzi ndi akatswiri ochokera ku International Assembly of Consumer Testing Organisations (ICRT, International Consumer Research and Testing).
Zida zapadera zidagwiritsidwa ntchito kuyesa mtundu wa njira yotumizira ma audio, mphamvu ya mahedifoni ndi magwiridwe ake. Ndipo ubwino wa phokoso lokha ndi kuphweka kwa chipangizocho chinayesedwa mwachindunji ndi akatswiri.
Kotero, zikunenedwa kuti mtsogoleri wosatsutsika mu khalidwe labwino mu gawo la mahedifoni a waya ndi chitsanzo cha Sennheiser HD 630VB. Awa ndi mahedifoni okhawo omwe adapeza chiwongolero chachikulu pakuseweredwa kwamawu.
Chipangizo cha Bose SoundSport (iOs) chinatenga malo achiwiri pamndandanda, pamene "bronze" inapita ku chitsanzo cha Sennheiser Urbanite I XL.
Atsogoleri omwe ali mosavuta pakati pa mitundu yamawaya ndi Sennheiser Urbanite I XL, Bose QuietComfort 25 ndi Grado SR60e.
Zambiri zokhudzana ndi zotsatira za kafukufuku zingapezeke apa.
Source: 3dnews.ru