BEYERDYNAMIC DT 231PRO HEADPHONES

DT 231 PRO

Features
Lightweight, closed headphone
Single-sided, straight cable
Powerful bass reflex system
Supraaural
Soft, exchangeable ear pads
With stereo mini jack & 1/4" adapter

Technical Specifications  
Transducer type Dynamic
Operating principle Closed
Length 2.5 m / straight cable
Weight without cable 130 g
Frequency response 20 - 18,000 Hz
Nominal impedance acc. to IEC 60268-7 32 Ω
Nominal SPL acc. to IEC 60268-7 95 dB
Nominal THD acc. to IEC 60268-7  Power handling capacity acc. to IEC 60268-7 50 mW
Sound coupling to the ear Supraaural
Ambient noise isolation approx. 2 N
Connection Stereo jack plug (3.5 mm) & 1/4" adapter (6.35 mm)

AKG K71TV Headphones

• Easy connection to any TV set or Hi-Fi equipment.
• Switches for individual volume and balance control: individually adjustable volume controls for left and right earphone. Switches for mono, stereo and dual-language programming.
• Optimised for speech reproduction.
• Washable, easily replaceable ear pads.

These value-for-money TV headphones are optimised for speech reproduction and come with an extra-long cable (6 metres). They are also ultra light and comfortable to wear. A balance control allows you to adjust the volume individually for left and right ear. The K 71 TV also features dual-channel operation (language selection for dual channel broadcasts).

This preset has been configured with the all-round S01 speaker unit, which delivers a balanced sound representation suitable for all music genres. The combination of the light and sturdy H01 headband and the E01 on-ear microfiber earpads results in an open sound representation, and a slim, lightweight design, suitable for both on-the-go situations and home listening.

Over the head, monoaural headset: flexible boom, omni-directional microphone, Activegard protection technology, black colour with grey light metal C-clamp.

• Even at the entry level, our SH 230 is a premium quality over-the-head monaural headset. Packed with safety and comfort features exclusive to Sennheiser Communications, it represents the most economical headset in our range

• Patented ActiveGard technology to safeguard your hearing

• Acoustical foam ear cushion effectively channels sound into ear

• Detachable headband for easy upgrading to ear clip model

• Black with dark gray colored C-clamp

• Lightweight construction perfect for any type of office or professional communication

Overview

No matter where and when, you'll always be happy to have your HD 218i along for the ride. Its full sound and dynamic bass reproduction keep you going, day in and day out.

The closed, supra-aural acoustics screen out surrounding noise - the clatter of the train or the chatter of people sitting next to you - so you can immerse yourself in the excellent bass-driven Sennheiser stereo sound.

When a call comes in, take it using the smart in-line remote control with microphone. It's been especially developed for use with Apple devices, like the latest generations of iPod, iPhone and iPad*. You can control the volume, answer and end calls, use the iPhone Voice Control function and browse and play your music all from a sleek unit located directly on the cord.

The HD 218i doesn't just sound great, it's stylish and super comfortable, too. With individually adjustable ear cups featuring large, very comfortable cushioning and a soft, secure headband, the HD 218i makes your daily commute something to look forward to.

Features
Smart in-line remote control with microphone - change the volume, control your music-playing options, answer or end calls and activate Voice Control - all from a sleek built-in unit
Powerful Sennheiser bass - the dynamic speaker system with neodymium magnets delivers bombastic bass-driven stereo sound
Customized fit - the ear cups are individually adjustable so you have a comfortable, secure fit
Ultra comfortable - the large cushioned ear pads and headband keep you going, however long the commute
Made for latest generations of iPod, iPhone and the iPad*
Peace of mind - thanks to the 2-year international warranty

Technical Data

Technical Data and Specification of HD 218i
Article No. 504164

Wearing style     Headband
Connector     3.5 mm plug, straight
Cable length     1.2 m
Weight     92
Ear coupling     Supra-aural
Microphone
Technical Data and Specification of HD 218i
Article No. 504164

Frequency response (microphone)     80 – 15000 Hz
Pick-up pattern     Omni directional
Sensitivity as per 121 TR 9-5     -40 dBV/Pa
Headphones
Technical Data and Specification of HD 218i
Article No. 504164

Impedance     24 Ω
Frequency response (headphones)     19 – 21000 Hz
Sound pressure level (SPL)     108 dB

Light, fresh, solid-in-design, and immensely portable, the P3s deliver an exceptional sound experience. Stylish yet understated and now in a dynamic range of colours, they guarantee the wearer will stand out from the crowd.

Go anywhere, do anything, enjoy your music. P3 headphones offer the perfect balance of portability and performance, stylish design and versatility. Bowers & Wilkins most pocketable on-ear headphones feature unique engineering innovations to ensure small still sounds absolutely beautiful – with a natural and spacious audio performance. With four bold colour options, P3 also lets you stand out from the crowd, accessorise or add to your personal style. P3 looks stunning anywhere. 

Acoustic fabric
There is more to P3 ear pads than meets the eye. The bespoke fabric covering provides acoustic transparency in the centre, while perfectly sealing edges for better bass and noise isolation.

Drive units
For natural-sounding response and exceptional clarity for headphones this size, we redesigned the driver, including diaphragm, from the ground up. And designed a unique damping system to control speaker cone movement.

Mobile sound
Bowers & Wilkins most portable on-ear headphones required many engineering innovations to ensure the perfect balance of size and audio quality. The result sounds spectacular and folds to fit easily in a pocket or purse.