Toto jsou moje oblíbená konzumní sluchátka pro internetové telefonování v práci i pro děcka ve škole. 24.2.2021 jsem koupil už asi čtvrtý nebo pátý kus - a ouha: zatímco předchozí kusy byly bezchybné, tenhle pátý budí rozpaky: měl mušle zapojené navzájem v protifázi (to jsem si opravil, prohodil jsem polaritu pravého měniče) a co je horší, mikrofon dost hnusně brumí. Snad o 20 dB víc než u předchozích kusů - kdyžtak mám vzorek nahraný (srovnání starého a nového kusu). Porovnáním starého a nového kusu sluchátek jsem dospěl k závěru, že za to může přímo použitá mikrofonní vložka. U problematického kusu reaguje intenzita brumu na přiblížení ruky k mikrofonní vložce = chytá elektrostatickou složku rušivého pole 50 Hz (v záznamu je nejsilnější třetí harmonická = 150 Hz). Pinoutem to není, při opačné polaritě mikrofon nefunguje. A kabelem to taky není, protože ani nový ani starý kabel nemá pro mikrofon koaxiální vedení. Mikrofonní vložka má uzemněný kalíšek = OK.
Genius HS-200C Dual Jack
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Genius HS-200C Dual Jack
For listening to music or talking to friends, it's great to have headphones. These Genius headphones have a good ear-pad design that covers the ear nicely, but they are also quite compact. Their closed design will ensure flawless insulation against bothersome background noise. In contrast to other earphones, they are equipped with a surprisingly long 1,8 m cable connecting to one of the two ear-pads. The Genius HS-200C Dual Jack earphones connect with a 3.5mm jack. With the frequency range of 20 to 20000 Hz, you can be assured that you won't miss a note with these earphones. The headphones also include a mic. Their ear pads can be replaced if necessary. These Genius headphones are designed to be compatible with PC.
Genius HS-200C Dual Jack Headphones Key Features
- Genius HS-200C Dual Jack headphones have a closed design
- Eye-catching black colour
- Length of cable: 1,8 m
- Earphones are connected with 3.5mm jack
- The cable connects to one side, into one of the ear-pads
- Genius earphones weigh a total of 57 g
- Headphones created for use with PC
Genius headphones also have a mic
All users will surely enjoy the microphone on these headphones. The microphone on these Genius headphones will ensure flawless call connection with your friends. Its foldable design surely won't interfere with sound quality. The microphone on these Genius HS-200C Dual Jack headphones utilises directional sensing. They'll suppress background noise, and so they're a good choise for noisier areas. The sensitivity of this microphone will reach -38 dB.
Specifications
Type of headphones
Connection
Features and functions
Headphone characteristics
Microphone characteristics
Colour
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Platform
Founded in 1983, this Taiwanese company has satisfied millions of customers worldwide ever since. Genius built its brand primarily in the field of computer accessories, such as keyboards, mice, tablets, and gaming controllers. Their peripherals are used across the world, satisfying demanding users in both the office and the home, and the company has a dense network of branches in Taiwan, the US, UK, Germany, China, and many other countries.
Specifications can be changed without notice. Images are for illustrative purposes only.
