SUPERIOR SOUND QUALITY - Experience pristine audio with the d:fine CORE 4066, featuring an omnidirectional capsule for natural, clear voice reproduction across a wide frequency range of 20 Hz - 20 kHz. EXCEPTIONAL NOISE CANCELLATION - Achieve crystal-clear recordings with a low equivalent noise level of just 26 dB (A), ensuring minimal background noise and maximum focus on your voice, even in challenging environments. ULTIMATE COMFORT FOR EXTENDED USE - Enjoy comfortable wear with the lightweight design (14g including cable & connector) and adjustable headset, perfect for long presentations, performances, and broadcasting sessions. INCREDIBLE DURABILITY AND RELIABILITY - Rely on the robust construction of the d:fine CORE 4066, designed to withstand temperatures from -40 to 45°C and humidity up to 90%, ensuring consistent performance.