Magneplanar MG-0.5qr (outside only)

Specs
2 way quasi ribbon planar/magnetic,
1 midbass,
1 midtreble,
50-250W@4Ω,
  45-22000Hz ±3dB,
sens. 85dB/2.83v/m @500Hz.
mm 485x1270x40(330), kg 16.