SE Electronics Reflexion Filter X SONA2.5B It also acts as a

It also acts as a digital crossover that allows for invisibly smooth transitions between the drivers themselves

IEC 60603-11 / EIA RS-453

Connectivity: Compatible with Sennheiser® wireless systems

it broke new ground

SE Electronics Reflexion Filter X SONA2.5B It also acts as aThe RF X is an instant vocal booth for any home studio. The RF X is an Acoustic Screen for reducing the influence of space on microphone recordings, with effective multi layer technology. The RF X Reflection Filter from sE Electronics prevents unwanted audio ambience from contaminating your vocal tracks in untreated acoustic environments. Its lightweight body and clamp assembly makes the RF X simple and easy to use. IN THE BOX Reflexion Filter X