Aurora-Aperture 39mm PowerXND 2000 Variable Neutral Density 1.2 to 3.3 Filter (4 to 11 Stops) Acoustic Magic they are well suited for

they are well suited for monitoring applications in high-noise environments such as live sound or recording sessions

and auto-focus without the problems typically associated with bean bag use

Centred sound stage and medium isolation Cable - C01: Straight

the cross platform interface includes zero-latency direct monitoring for recording

Aurora-Aperture 39mm PowerXND 2000 Variable Neutral Density 1.2 to 3.3 Filter (4 to 11 Stops) Acoustic Magic they are well suited forThe Aurora Aperture 39mm PowerXND 2000 Variable Neutral Density 1. 2 to 3. 3 Filter is a solid variable neutral density filter that is designed to mount onto lenses with 39mm front filter threads and provides an exposure reduction of 4 to 11 stops. The 1. 2 to 3. 3 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. The degree of density is easily controlled