Spec Sheet

FEATURES AND BENEFITS
TruNote technology
Together with dual foam cushions and ear cup mounted
controls for auto-calibration, TruNote allows precision
sound reproduction.
Tone Control: Full control of adjustment sound signature
It allows bass and treble adjustments without any sound
distortion, for true personalized sound − developed with
inputs from Grammy winner Quincy Jones.
Stage Control: Three spatial listening modes
Audio customization options that include “Standard”,
“2.1 Studio” and “5.1 Surround Sound”.
Patented ergonomic design
Dual density ear cushions aid in significantly reducing the
reflections inside the acoustic chamber while dual rotary
controls on ear cup 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.
WHAT’S IN THE BOX
1 pair of AKG N90Q
headphones
Flight adaptor
3m straight cable
Power Case
Battery pack
SPECIFICATIONS
Driver size : 52mm
Frequency response : 10Hz-20kHz
Impedance : 32ohms
Max input power : 100mW
Sensitivity : 110dB SPL @ 1kHz/100mV
Weight : 460g
Cable length : 3m and 1.2m detachable cables included
Connection : 3.5mm jack
Music play time : 11~12 hrs
Charge time : 4 hrs
REFERENCE CLASS AUTO-CALIBRATING
NOISE CANCELLING HEADPHONES
1.2m 3-button remote/microphone
MFI audio cable*
1.2m 3-button remote/microphone
Android/Windows audio cable*
Charging cable
Travel pouch
*Compatible with popular smartphones, feature phones and tablets.
Functions vary depending on your phone, tablet or application.