AKG N400 NC

General Information

—Product Summary
AKG N400NC TWS headphones meld reference sound and best-in-class Active Noise Cancelling technology in a refined, true wireless form factor. Lightweight and waterproof, they play inspiring sound for 12 hours (combined playtime), while being conveniently noise and wire-free. Their minimalistic design features an all-function touch panel to easily manage calls and music, or to access the virtual assistants for hands-free help. Their oval, ergonomic shape allows to enjoy their pure, clear sound in all comfort. The sleek charging case provides convenient wireless and quick charging (10 minutes for an hour of playback). Plus, the N400NC TWS headphones have all you need to enjoy your Samsung device and its features, like the Bixby virtual assistant or to seamlessly connect to the Samsung ecosystem via the Multi Device Experience technology. Bring studio sound with you.

—Spec
AKGN400BLK

General Specifications

Ear tip materialSilicon
Driver size (mm)8.2

Audio Specifications

Driver sensitivity at 1kHz/1mW (dB)96
Dynamic frequency response range (Hz)10 Hz – 20 kHz
Impedance (ohms)16
Number of drivers per ear1

Dimensions

Charging Case Weight (oz)2.3
Earpiece Weight (oz)0.5
Charging Case Weight (g)65
Earpiece Weight (g)15.4

Control and Connection Specifications

Bluetooth profilesA2DP V1.3, AVRCP V1.5, HFP V1.6
Bluetooth frequency2.402 GHz - 2.480 GHz
Bluetooth transmitted modulationGFSK, π/4 DQPSK, 8DPSK
Bluetooth transmitter power0 - 13dbm
Bluetooth version5.0

Battery

Charging time (hours from empty)2
Maximum music play time with ANC on (hours)5
Maximum play time (hours)6

Features

BluetoothYes
Charging cableYes
Voice Assistant integrationYes
Active Noise CancellingYes
AKG Reference SoundYes
Ambient AwareYes
Built-in MicrophoneYes
Charging caseYes
Hands Free CallYes
Rechargable batteryYes
Speed chargeYes
Sweat ProofYes
TalkThruYes
Touch ControlYes
True WirelessYes
WirelessYes
BixbyYes

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Latest reviews

AmericanSpirit

Member of the Trade: Night Oblivion

4.00 star(s)
Dec 20, 2022

Requiem for tunable Starfield in TWS

Pros: 　
▶︎Fully adjustable ANC which AirPodsPros aren’t capable of; This will enable you to find whatever ear tip of your choice that doesn’t destroy ANC offset phasing wave.
▶︎Par or above Moondrop Starfield-class High end single dynamic driver with cohesive and low distortion hardware spec
▶︎Very satisfying single dynamic bass timbre w/ AZLA Xelastec ear tips, not just wireless but also including wired; if properly EQ’d with AKG app
▶︎Precisely tunable frequency EQ
▶︎+/- volume adjustable, programmable tap controls which AirPodsPros aren’t capable of
▶︎Competitive Pricing $50-150 depending on sales discounts against AirPodsPros, Sony, Bose, and Samuaung/AKG/Harman’s own Galaxy Buds
▶︎Case is made of aluminum, not like plastic-y airpods pros, and is wirelessly chargeable, par with rivals.
▶︎Easy swipe action to turn on / off Ambient / Noise Cancelling / Talk-Thru mode. As an ANC TWS this is a “must have”
▶︎Audi / European style design that you can not find from other major competitors

Cons: 　
▶︎Shell is relatively large, need some third party ear tips to have a better fit for some
▶︎No low latency mode which makes rhythm games a bit hard to play
▶︎Hmm… what else..? No real let down besides size

Note: N400 is about to face its end of product life. Akg.com and Harmanaudio.com are already out of stocks, you still may find some leftovers from third-party retailers.

This is a requiem and a lullaby for this very nice TWS set with high overall standards.

I use following 2 wireless IEMs on a daily occasion.

◦AKG N400NC for any needs for noise cancelling and on the go

◦AKG N5005 for high-res Tidal /lossless streaming

I’ve tried LDAC and Aptx Adaptive and found that I have no urgent needs for “ultimate” hi-res wireless quality especially at practical environment for using these sets such as on the flights & public transportations.

—What makes N400 my endgame as TWS?

▶︎Akg’s app that is pretty intuitive, doesn’t require your confidential personal information like latest SoundPeats app do.

▶︎EQ is fully adjustable, you can twist tuning by touch screen, very easy and intuitive.

▶︎Unlike AirPodsPro, you can fully adjust the ANC’s offset phasing, that is crucial functionality especially when you are adopting third-party ear-tips.

▶︎Although N400 isn’t latest blessed sub$100 beast like Moondrop’s LCP princess —Aria 2020—, N400’s hardware spec is par or above long time benchmarked Moondrop’s Starfield. Great enough as you want on non-LDAC or Aptx-HD/Adaptive.

—Any recommendations for the EQ?
Here are some EQ you may try with N400 w/ AZLA Xelastec.

full-time default:
Neutral with huge sub-bass boost

True-neutral for a flat presentation

V-tuned one, for fun

@tgx78 ’s MEST-OG inspired “divine” tuning: crisp and nicely tuned

AFUL Performer 8 mimic with N400

Last edited: Dec 20, 2022

Reactions: XerusKun, Xicu, ChrisOc and 1 other person

Xicu

Does changing the tips impacts charging while in the case?

AmericanSpirit

@Xicu Sorry I missed your comment. Yes if you change to larger ear tips you may have some storing issues.

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AKG N400 NC