W 69-2A W 69-2A The headphone insert Impedance [ Ώ ] 900 Efficiency [dB/1mW ] 85 Attenuation [ dB ] ---------------- Transmission band [ Hz – Hz ] 300 – 3000 Weight [ g ] 108 Dimensions [ fi1 x fi2 x W ] 56,2 x 46 x 38 Notes Call Data Sheet | Catalogue | Web-store |