The windscreen is made of expanded foam (25-30 pores per inch). The expanded foam ensures that the windscreen does not attenuate the higher frequencies more than the tolerance field of the microphone frequency response.
It is well suited for outdoor applications and for speech and singing at short distances.
Due to its linear qualities, DPA 4007 is often used as reference microphone in both microphone comparisons and acoustic test equipment.
DPA 4004 has an unbeatable dynamic range and is the perfect choice in all close miking recording situations regardless of the sound source.