The Sennheiser CC540 headset will be great for users who would like bigger earphones on there headsets for users in an environment louder than your average office and with sennheisers standard acoustic shock protection you will be protecting you can trust you have a good product.
Sennheiser CC540 Features
Compatible with all major telephone and call center systems
Active Acoustic Shock system protects from excessive volume and interference
Ultra noise cancelling microphone
Comfortable, adjustable headband
Replaceable leatherette ring ear pads
Single-sided cable
Lightweight design for extended use
Frequency response curve optimized for excellent speech clarity