Detachable Headband

 The SH 230's headband can be detached with a single movement. Suitable for use with ear clips.

Spherical Joint Earpiece

 The earpieces adjust themselves to provide a perfect fit and noticeable comfort.

ActiveGard, the user's guardian angel

 Thanks to the patented ActiveGard technology, a high signal from telephone lines is automatically controlled and neutralized before it even reaches your ear. ActiveGard helps protect your hearing from the effects of acoustic shocks.

Overall Microphone

 The flexible microphone arm carrying the omnidirectional microphone can rotate 300 degrees. Thanks to its Teflon joint, it maintains its adjusted position.

Dual-Adjustable Headband

 The durable headband can be adjusted in either direction to provide a perfect fit. With its soft, replaceable side support and spherical earcup, the SH 330 is a versatile model.

ActiveGard: The User's Guardian Angel

 Thanks to the patented ActiveGard technology, a high-frequency signal from telephone lines is automatically compressed and neutralized before it even reaches your ear. ActiveGard helps protect your hearing from the effects of acoustic shocks.

Flexible Microphone Arm

 The flexible microphone arm with Teflon joints, which rotates 300 degrees, will maintain its adjusted position. (Teflon is a registered trademark of DuPont.)

Noise Cancelling Microphone

 It filters ambient noise, allowing the person you are speaking to to understand you more clearly.

ActiveGard: The User's Guardian Angel

 Thanks to the patented ActiveGard technology, a high-frequency signal from telephone lines is automatically compressed and neutralized before it even reaches your ear. ActiveGard helps protect your hearing from the effects of acoustic shocks.

 Oversized Earcups (Double-Sided)

 The large (46 mm diameter) earcups effectively cut out external noise in noisy environments, allowing you to concentrate on your work. The self-adjusting earcups ensure maximum efficiency during long conversations.

Flexible Microphone Arm

The flexible microphone arm with a 300-degree rotatable Teflon joint will maintain its adjusted position. (Teflon is a registered trademark of DuPont.)

 Noise Cancelling Microphone

It filters ambient noise, allowing the person you are speaking to to understand you more clearly.

1 UNC (Ultra Noise Cancelling) Microphone

Blocks out a large portion of ambient noise, allowing the person you're speaking to to understand you more clearly.

Flexible Microphone Arm

 The flexible microphone arm with Teflon joints rotates 300 degrees and maintains its set position. (Teflon is a registered trademark of DuPont.)

 ActiveGard, the User's Guardian Angel

Thanks to the patented ActiveGard technology, a high signal from telephone lines is automatically controlled and neutralized before it reaches your ear. ActiveGard helps protect your hearing from the effects of acoustic shocks.

 Spherical Articulated Earcups

 The spherical earcups ensure a perfect fit to your face, providing significant comfort.

Balanced Side Support & Comfort Cushions

 The balanced side support and the independently adjustable headband ensure a perfect fit. All of these features, combined with the comfort cushions in the crown, provide a comfortable wearing experience throughout the day.