SENNHEISER HD-400S Headset

• Impedance: 18 Ω
• Frequency response (Microphone): 100 – 10,000 Hz (-10 dB)
• Frequency response (Headphones): 18–20,000 Hz (-10 dB)
• Frequency response: 18- 22,000 Hz
• Sound pressure level: (SPL) 120dB (1kHz/1Vrms)
• THD, total harmonic distortion:

• Passive noise reduction
• Closed-back design
• In-line volume control and microphone on/off switch
• Unique 3D-Axis folding mechanism for easy transport
• Cardioid (directional) boom headphone
• Light weight for long wearing comfort
• Red Dot design award
• PC or MAC gaming
• 3.5mm jack adapter

Wearing style     Headband
Color     black
Impedance     ~300 Ω
Connector     Easy Disconnect
Frequency response (microphone)     300 Hz - 3400 Hz
Frequency response (headphones)     300 Hz - 3400 Hz
Microphone     Ultra Noise Cancelling
Sound pressure level (SPL)     Max. 103 dB limited by ActiveGard™
THD, total harmonic distortion      Cable length     1 m / 3.3 ft Kevlar®* reinforced (*Teflon® and Kevlar® are trademarks of Dupont)
Earpad size     Regular ø 42 mm / 1.7 inch
What's in the box?
Headset
Acoustic foam ear pad
Carry bag
Clothing clip
Colored identification clips (3)
Leatherette ear pad
Microphone windscreen
Single sided headband with side support

Technical Data
Connector    Easy Disconnect
Distortion    Less than 1%
Ear-cap size    Large ø 1.8 in (46 mm)
Frequency response    300 Hz - 3,400 Hz
Microphone    Omni-directional
Sound pressure level (SPL)    Max. 103 dB limited by ActiveGard
Speaker data    300 Ω

General Description
The SH 330 over-the-head, single-sided headset is supplied with a noise-canceling microphone and ActiveGard(tm) protection technology.
Features
The SH 330 is a lightweight, all purpose monaural headset ideal for longer conversations. It is the stylish and highquality solution for users who value great comfort and top speech quality in any professional situation.
ActiveGardTM safeguards the user from the damaging effects of sudden, loud acoustic bursts
Self-adjusting ball-mounted speaker capsule allows perfect fitting to the head
300° adjustable microphone boom allows the mic to be positioned exactly for optimal speech clarity.
Teflon®* support washer increases positioning accuracy, stability and ensures long-term durability
Special acoustic foam ear pad optimizes sound penetration around the center of the cushion and into the ear canal while minimizing leakage.
Superb sound whether using the leatherette or foam ear pad (both included)
Delivery Includes
Acoustic foam ear pads
Carry bag
Clothing clip
Colored identification clips (3)
Leatherette ear pads
Microphone windscreen

Technical Data
Connector    Easy Disconnect
Distortion    Less than 1%
Ear-cap size    X-large ø 2 in (51 mm)
Frequency response    100 Hz - 3,400 Hz
Microphone    Noise Cancelling
Sound pressure level (SPL)    Max. 103 dB limited by ActiveGard
Speaker data    ˜300 Ω

Premium wired headsets designed specifically for all-day use with Unified Communications (UC) and softphones in busy contact centers and offices. Built to withstand the rigors of the toughest contact center or office, they are designed for quality-conscious professionals requiring HD voice clarity, durability and all-day comfort. Users can manage calls seamlessly through the call control unit and enjoy the stereo sound quality from the high quality neodymium speakers.