The new professional headphones boasts a 6Hz – 38kHz frequency response range
The Sennheiser HD 400 PRO are designed for professional users that look for a headphone with neutral sound reproduction. ts lightweight design and velour earpads provide the comfort you need during long sessions. In addition, open ear cups and angled transducers allow for a wide and transparent soundstage, making the HD 400 PRO a reliable companion for those who put quality and precision above all else.
The frequency range of HD 400 PRO (6Hz – 38kHz) was developed to be honest across the board, especially when it comes to the lower end of the spectrum. The angled transducer design allows for unique stereo imaging, reproducing the spatial sound of your mix. In other words, what goes in is what comes out. The HD 400 PRO features a detachable coiled cable. For convenience, a straight cable is also included in the delivery. With a screw-on adapter you can connect to your mixing desk, audio interface or any audio device that has a 1/4-inch (6.3mm) or 1/8-inch (3.5mm) output. The HD 400 PRO are available on Sennheiser website at $249.