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:

The circumaural, single-sided BRH441M headset is the ideal choice for various professional broadcast applications where high ambient noise isolation is required. They deliver detailed sound reproduction and in addition due to the closed back design reliably block out external noise.

Lightweight, small form factor
Dynamic microphone
Adjustable, pivoting microphone boom, can be positioned left or right side
Auto-mute function if microphone boom is raised vertically
Unterminated, detachable cable
Delivery includes: ear pads, windscreen for microphone boom, unterminated, detachable cable
Collapsible design
Single-sided cord

SC 230 is a competitively priced mid-range single-sided wideband headset designed for professionals that require Sennheiser HD voice clarity in contact center and office workplaces. With the focus on contact-centered durability and robustness, SC 230 offers features including: CircleFlex® patent-pending dual-hinge ear cup for instant perfect fit and supreme comfort, noise-canceling microphone and a lightweight raised profile headband with numbered grooves. With its combination of productivity-enhancing features and call-centered durability, SC 230 helps users perform at their best, whatever the environment.
SC 232 is optimized for low impedance devices such as mobile phones and DECT phones.

Kenmerken:
- Best-in-class comfort – CircleFlex® patent-pending dual-hinge ear cup system that adapts seamlessly to your ears, for instant perfect fit and relaxed all-day wearing
- Noise-canceling microphone – filters out ambient noise for optimum speech clarification
- Unique robust construction – crafted with look and feel in mind
- Single-sided wearing style – numbered headband grooves for step-by-step adjustment for instant perfect fit
- Durability – metal reinforced headband designed for years of wearing pleasure
- Sennheiser HD voice clarity – wideband sound for a natural listening experience
- Bendable boom arm – ensures microphone position is always optimal. Cannot be twisted out of position
- Pivotable boom – rotates through 350 degrees for wearing flexibility on right or left ear and precision microphone placement
- Name tag personalization – easy user ID helps to avoid wearing a neighbor\'s headset
- ActiveGard™* – technology protects you from acoustic shock and sudden sound surges
- 2-year International Warranty – provides peace of mind with your headset purchase

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

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

SC 30 USB ML is a deployment-friendly, single-sided wideband headset optimized for Microsoft Lync. Features include noise-canceling microphone and large ear pad for comfortable use. SC 30 USB ML is designed for users who require maximum call-handling flexibility when working in Unified Communications environments.

• Optimized for Microsoft Lync – with integrated call control and USB connector

• Sennheiser HD voice clarity – wideband sound for a natural listening experience

• Noise canceling microphone – filters out ambient noise for optimum speech clarity

• High-Comfort – large ear pad in a lightweight headset for relaxed wearing

• Single-sided wearing style – letʼs you hear whatʼs going on around you

• Solid construction – crafted with look and feel in mind

• Bendable boom arm – ensures microphone position is always optimal. Cannot be twisted out of position

• Pivotable boom – rotates through 340 degrees for wearing flexibility on right or left ear and precision microphone placement

• ActiveGard© – technology protects you from acoustic shock and sudden sound surges

• Peace of mind – 2-year international warranty

• Call control features: Answer/End a call, volume up/down, microphone mute, redial last outgoing call