DD450 Circumaural Headphones (RadioEar)

The DD450 Headphones by RadioEar are a pair of high-quality, circumaural-on-ear headphones for any kind of audiometric setup. With an impedance of 40 Ohm and a frequency response between 20 Hz and 20000 Hz, it is highly versatile. It comes with passive attenuation and has a padded, adjustable soft headband with the circumaural ear pads and the highly durable cable being replaceable. The DD450 Circumaural Earphones have been built to meet all of the requirements of 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. 

This DD450 model is a complete headphone including a headband and audio cables. The audio cable can be configured with either 1 x gold-plated 3.5mm stereo or 2 x gold-plated 6.35 mono audio plug/s.

One DD450 complete circumaural headphone per box.

Technical Specifications

• Packaging: 1 x DD450 Circumaural Headphones including headband and audio cables per pack
• Connectors:
  • 1 x 3.5mm (1/8") gold-plated audio plug
  • 2 x 6.35mm (1/4") gold-plated audio plugs
• Cable Length: 2.5m
• Impedance: 10 Ohm
• Frequency Response: 20 Hz to 20000 Hz
• Receiver Type: Dynamic moving coil, specially built for audiometry
• Linearity: Linear up to 500 mW
• Sensitivity: 100 dB SPL at 1 kHz, 1 mW
• Harmonic Distortion: Below 1% at THD
• Cable Connector: 1x 3.5mm mini straight jack
• Weight: 330g (12oz)
• Standards: Complies with IEC-60645-1 and ANSI S3.6
• Environmental: RoHS compatible, lead and nickel-free