A circumaural headset that can be used for audiometry testing in the standard audiometry range 125 Hz - 8 kHz as well as high frequency testing up to 20 kHz. The DD450 complies with IEC-60645-1 and ANSI S3.6 up to 16 kHz. When using an IEC60318-1 coupler with a type 1 adaptor on an artificial ear, the standard allows for calibration using the RETSPLs.
- RoHS compatible
- Good ambient noise isolation
- Gold-plated connectors
- Capable of full range testing