Stagg MXS-A1-COS8 Computer / Laptop Extension Mount e965 then the HD MB40KG is

then the HD MB40KG is the motor you are looking for

Core material: Foam

Professional sound quality

Low frequency woofer: 10

Frequency Response [-6 dB] - 61 - 19

Stagg MXS-A1-COS8 Computer / Laptop Extension Mount e965 then the HD MB40KG isMultipurpose plate with arm and foot, to mount on a keyboard stand Material: Metal (tubes) and plastic (plate) Plate angle: 360, rotatable Plate dimensions: 33 x 24 cm (13 x 9. 4") Maximum device dimensions: 26 x 20 x 2 cm (10. 2 x 7. 8 x 0. 8") Maximum load: 3 kg (6. 6 lb) Arm length: 0 to 39 cm (0 to 15. 4"), adjustable Foot length: 10 to 80 cm (3. 9 to 31. 5"), adjustable Compatible with: MXS A1, MXS A1 PLUS and KXS BAR (which adapts to any X style