SENNHEISER HD-4.20-S Headset

Frequency response 18 - 20000 Hz, Impedance 18Ω, Sound pressure level ( SPL ) 118dB

Featuring an extremely durable construction and a folding headband for easy storage when not in use, the HD 4.20s is perfect for listening to music and taking calls on the go. The convenient 1-button smart remote on the cable allows to control portable device. A genuine Sennheiser product, the closed-back over-ear HD 4.20s delivers on the promise of our brand name. It lets you enjoy your music – in fact, any kind of music – with its well-balanced sound and a powerful, dynamic bass. Sound isnʼt the only thing that makes wearing the HD 4.20s a pleasure. Its tangle-free, that is to say hussle-free, singlesided cable is fitted with a one-button smart remote plus inline microphone that makes taking calls a breeze. Soft premium leatherette ear pads and ensure good attenuation of ambient noise and great wearing comfort even during extra-long listening sessions

Wearing style     Headband
Microphone     Ultra Noise Cancelling
Frequency response (microphone)     300 Hz - 3400 Hz
THD, total harmonic distortion      Impedance     ~300 Ω
Frequency response (headphones)     300 Hz - 3400 Hz
Sound pressure level (SPL)     Max. 103 dB limited by ActiveGard
Earpad size     ø 51 mm / 2.1 inch
Cable length     1 m / 3.3 ft Kevlar®* reinforced
Connector     Easy Disconnect
What's in the box?
Headset
Acoustic foam ear cushion
Carry bag
Clothing clip
Coloured identification clips (3)
Leatherette ear cushion
Microphone Windscreen

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

Dynamic microphone delivers natural, highly intelligible vocal reproduction. User-replaceable parts provide for a long product life, and unterminated, fixed cable allows for connection to a variety of devices.

Wearable on left or right side.

• Closed-back, supra-aural design in an ultra-lightweight construction
• Dynamic microphone delivers natural, highly intelligible vocal reproduction with cardioid polar pattern and frequency response optimized for communication in loud environments
• Adjustable headband with cushioned temple pad for comfortable, ergonomic fit
• Flexible boom microphone pivots 270 degrees for left or right side wear and precise positioning
• Single-side, fixed cable with unterminated ends (bare whip) enables connection to a variety of devices. Kevlar® reinforced for increased durability.
• Legendary Shure durability designed under rigorous quality standards to withstand the demands of everyday, professional use
• User-replaceable ear pad and windscreen provided for a long product life

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