Company JVC at the beginning of year released whole line of new headphones, among them there are JVC HA-SR50X – over ears headphones with 40 mm membranes, microphone and ability to reproduce sounds in 8 Hz – 23 kHz frequencies range. Membranes are moved by neodymium magnets; sensitivity of headphones is 107 dB/mW, impedance 16 Ohms and maximal power input 1000 mW. To both cups 1.2 m cable is connected with 1/8″ mini jack gold-plated connector, compatible with Apple iPhone, and volume control module with built-in microphone and smartphones control buttons; cable mount is additionally reinforced for increased durability. Package contains : JVC HA-SR50X headphones themselves, warranty card and user’s guide. Their price is around 40 USD, which is adequate to their functions ( some manufacturers would ask 5 – 10 times more for similar devices ); however there is need to note, that similar headphones can be bought for smaller sum and for approximately the same price 50 mm headphones can be bought.