We offer Mm-adm004 Audiometric Test Booth.Features :this audiometric insulated booth is using the newest sound-insulation materials. This feature has allowed to reduce the weight with a high isolation and functionally, and beauty too.the external surface is made of washed panels. Inside is pleasantly illuminated and it is very comfortable.its sophisticated design allows a fast and easy step performed by no specialized workerspecification :size : 90x90x215 cm (other options)attenuation : 33.5 db 250-8000hz (certified) / 32 db 100-10000 hz (certified)weight : 265 kg. Approxventilation : unforced ventilation systemwindow : double planerules : cei 601.1, ansi s3.1, iso 8253-1power supply : 220 v 50-60 hz. (other options)power consumption : 50w (adaptable to any audiometers))