Artnovion Siena W Bass Trap Corner (2pack) Colour:Graphite Black - Make an Enquiry Elite is also fully serviceable:

Elite is also fully serviceable: from the replaceable earpads to the high-performance materials used

Boron rod cantilever

we discovered that we can obtain better sound quality by quietly operating the clock in a separate housing unit with a separate power supply instead of housing it inside the unit

MM15 – Phono module

Artnovion Siena W Bass Trap Corner (2pack) Colour:Graphite Black - Make an Enquiry Elite is also fully serviceable:Siena W Bass Trap Corner Absorption coefficient 1 3 Oct. from 32Hz to 160Hz 1 Oct. from 250Hz to 8 KHz Performance Features Type: Tuneable weighted diafragmatic membrane Tuneable absorption range: 58Hz to 82Hz. Hz by Hz fine tuning New fine tuning possibilites Purpose Room mode control Bass ratio control Low frequency RT reduction Improving low frequency response Reducing low frequency time decay The Corner bass trap is the latest in low frequency