The gold N90Q LE from AKG is a reference-class noise-cancelling headphone that features TruNote technology together with ear-cup mounted controls for auto-calibration of the audio. It can be used with several devices in applications for sound reproduction such as recorders, CD players, smartphones, tablets, MP3 players, and more.
Featuring bass and treble tone adjustments with no distortion, the N90Q headphones also have three spatial listening modes that provide customization options that include "Standard", "2.1 Studio", and "5.1 Surround Sound", and have been developed with input from Grammy award winner Quincy Jones.
Furthermore, there are USB and HD audio connections that provide full HD audio playback, software updates and rapid charging. The built-in DAC (Digital Audio Converter) enables hi-res digital audio tracks on a PC or an Android device and can be connected through the micro-USB port on the headphones. This means no digital/analog/digital conversion is needed and no quality loss.
TrueNote Technology
Together with dual foam cushions and ear-cup mounted controls for auto-calibration, TruNote allows for precision-sound reproduction
Tone Control
It allows bass and treble adjustments without any sound distortion for true personalized sound, and has been developed with input from Grammy winner Quincy Jones
Stage Control
Audio customization options that include "Standard", "2.1 Studio", and "5.1 Surround Sound" listening modes
Patented Ergonomic Design
Dual density ear cushions aid in significantly reducing the reflections inside the acoustic chamber while dual rotary controls on the ear cups enable easy access to volume control, bass and treble levels, and sound imaging
USB and HD Audio
USB connection provides full HD audio playback, software updates and rapid charging
Built-In DAC
The built-in DAC enables hi-res digital audio tracks on a PC or an Android device to be directly connected through the micro-USB port of the headphone, so that no digital/analog/digital conversion is needed, which means no quality loss Frequency Response 10 Hz to 30 kHz
Impedance 32 ohms
Maximum Input Power 100 mW
Sensitivity 110 dB SPL @ 1 kHz/100 mV
Cable Length 9.8' (3 m) detachable cable
3.9' (1.2 m) detachable cable
Connector 1/8" (3.5 mm) mini jack