Foreword I am also considered to be a bit of a pursuit of quality of life, ready to travel abroad at the end of the month, then the question is, how to avoid tinnitus by air? Wearing headphones å‘—~ So what headphones can have this function? Noise Cancelling Headphones! I have always been famous for the speed with which problems arise and resolved. The complicated selection process is not much to say. In short, the two final choices were B&O H9 and Porsche Design SPACE ONE. The factors that impressed me were exactly what Porsche designed. Elegant and luxurious style, we take a look at this official map.
[Overview]
Advantages: 1, Porsche design, looks beautiful and luxurious temperament, which in terms of me is a decisive factor, after all, I want to be the president of people 2, excellent noise reduction effect, can basically cut off most of the noise, but the effect of the aircraft Did not try, look forward to ~ 3, wear comfortable, long time wearing no problem Disadvantages: 1, the price is dead expensive, generally people who choose this headset should not be too concerned about the price 2, no Bluetooth, although do not like to use Bluetooth , but if there is always a 3, main feature of the extra points, but it is reasonable to say that big names like Porsche design should have some novel black technology, but not
[Overview]
Advantages: 1, Porsche design, looks beautiful and luxurious temperament, which in terms of me is a decisive factor, after all, I want to be the president of people 2, excellent noise reduction effect, can basically cut off most of the noise, but the effect of the aircraft Did not try, look forward to ~ 3, wear comfortable, long time wearing no problem Disadvantages: 1, the price is dead expensive, generally people who choose this headset should not be too concerned about the price 2, no Bluetooth, although do not like to use Bluetooth , but if there is always a 3, main feature of the extra points, but it is reasonable to say that big names like Porsche design should have some novel black technology, but not
APM ac DC Power Supply is built-in standard automobile electrical testing curves,users can select any built-in curve to do the DUT performance test directly according to their demand. High voltage dc power supply meets different application demands.
Some features of the Variable voltage dc power supply as below:
- Ultrafast respond time and high efficiency
- Accurate voltage and current measurement capability
- Constant Power and wide range of voltage and current output
- Equips with LIST waveform editing function
- Compliant with SCPI communication protocol
- Support RS232/RS485/LAN/USB (standard) ,GPIB (optional)
- Master/Slave parallel and series operation mode for up to 10 units
- Built-in standard automobile electrical testing curves
- Full protection: OVP/OCP/OPP/OTP/SCP
- Voltage drop compensation by remote sense line.
- Have obtained CE,UL,CSA,FCC.ROHS
600V DC Power Supply,Programmable Power Supply,Switch Mode Power Supply,9 Volt DC Power Supply
APM Technologies Ltd , https://www.apmpowersupply.com