AKG N 20U BLK Universal headphones with microphone

In-Ear-Headphone - in-ear design, semi open design, completly aluminum housing, universal 3 button remote (with iOS/Android selector switch) and mic, 38 ohms rated impedance, 110dB efficiency, frequency response: 20 - 20000 Hz, 10 mW maximum input, 1,2 m cable with 3,5 mm plug, weight: 18 g, flight adapter and silicone eartips in three sizes (small, medium and large) and pouch, color: black

• Beanie is designed for the perfect knit hat fit.
• Built-in microphone for use with iPhone®, BlackBerry®, other cell phones and Skype™.
• Engineered to deliver the highest-quality listening experience from your Apple iPod®, iPhone®, BlackBerry®, or other mp3 player, cell phone or music device.
• Ultra-slim speaker designed for comfort without sacrificing your music experience.

• Driver Diameter: 35mm
• Impedance: 32Ω
• Frequency Response: 20-20KHz
• Sensitivity (S.P.L.): 100±3dB (at 1KHz)
• Input Plug Diameter: 3.5mm iPhone®

• 3.5mm iPhone® - 3.5mm standard

Advanced driver design for extended full range sound.
Solid, precision-machined single-billet metal housing cancels unwanted vibrations for the purest sound.
Hard chrome finish keeps headphones shinning like they did day one; no polish needed.
Rugged strain relief protects the cable and withstands heavy-duty use.
Adjustable ear hooks keeps earphones in place comfortably for active lifestyles

User's Manual

Technical Data
Frequency response:    10-20,000 Hz
Connector:    1/8 inch (3.5mm) right angle
Sound Pressure Level:    125 dB
Impedance:    16 ohms
Total Harmonic Distortion:   

UltraFit 3000 Technical Specifications
Style     In Ear Canal
Frequency Response     8Hz-24Khz
Sensitivity     118db
Impedance     16 ohms
Transducer Type     Dynamic Balance®
Transducer Diameter     6mm
In Line 3 button Remote Control (iPhone, iPod, iPad*)     Yes
Built-in Microphone     Yes, In-line
Input Connections     3.5mm
Approx. Weight     0.4oz (11gm)
Finishes     Black & Red, White & Orange
Parts & Labor     Warranty 1 Year
Included Cables     13.4" Round, 14" Flat, 41" Flat
Included Ear Tips     Silicon Single Flange S/M/L, Silicon Triple Flange S/L, Memory Foam S/L
Included Accessories     Nokia® Adapter, Moisture Resistant Soft Case, Shirt Clip, Quick Start Guide and Manual

Τechnical Specifications
Style     On Ear Behind the Neck Band
Frequency Response     20Hz-23Khz
Sensitivity     105db
Impedance     32 ohms
Transducer Type     Dynamic Balance®
Transducer Diameter     30mm
Built-in 3-button Remote Control (iPhone, iPod, iPad*)     Yes
Built-in Microphone     Yes, In-Line
Input Connections     3.5mm
Approx. Weight     2.5oz (71gm)
Finishes     Black & Red, White & Orange
Parts & Labor     Warranty 1 Year
Included Cables     46" Flat
Included Ear Pads     MicroFoam, Silicon, Shearling
Included Accessories     Nokia® Adapter, Moisture Resistant Soft Case, Shirt Clip, Quick Start Guide and Manual