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Knowledge Zenith
Bluetooth Earphones
4-unit hybrid technology
TWS earphone
Buy now


4-unit hybrid technology
Acoustic hybrid wireless earphone
A high-end product designed for music producers and audiophiles.
KZ Z3 4-unit hybrid technology TWS earphoneKZ Z3 4-unit hybrid technology TWS earphone

Persevering in the pursuit of fantastic quality

Bluetooth 5.2
AptX audio coding
Automatically reconnect
Support standalone use
HD Microphone
Stable signal
Earphones can be used for 6h
Wide compatibility

AptX audio coding restores beautiful melody

AptX adaptive, combining the advantages of both aptX HD and Lossless, it can adjust the sound quality and delay and bring us higher sound quality through Bluetooth.
KZ Z3 with charging box
aptX LL
Mainly low latency, the main feature is that it can achieve a delay below 40ms.
aptX HD
Mainly high-definition audio, so that the sound quality is better, the signal noise is lower, the distortion is less, and the transmission rate is significantly increased.

Simultaneously reach the microsecond level with almost no delay

After entering the game, three-click the touch key to immediately turn on the high-performance mode, achieving almost 0 delays of audio and video synchronization and playing various competitive games at will.
KZ Z3 near the phone
Ordinary Bluetooth earphones transmission time is 120ms.
The transmission time of the KZ Z3 Bluetooth earphone is 40ms after the high-performance mode is turned on.
Low latency technology
KZ Z3 Bluetooth earphone
Ordinary Bluetooth gaming earphone
Ordinary Bluetooth earphone

Bluetooth 5.2 stable connection

Using Qualcomm QCC3040 chip
The advanced Qualcomm Bluetooth 5.2 chip brings better connection performance, call effectiveness, compatibility, functionality, and other significantly improved aspects.
KZ Z3 Bluetooth 5.2
KZ Z3 Qualcomm Bluetooth 5.2
Ordinary Bluetooth 5.2

1BA+1DD on one side, there are four units on both sides

Professional acoustic configuration in the true sense!
KZ Z3 is based on the strong low frequency of the 10mm polymer composite diaphragm with the 30019 high-frequency closed balanced armature unit specially developed for hybrid technology Bluetooth is added to optimize the middle and high frequency of the human voice.
KZ Z3 schematic
30019 high frequency balanced armature
10mm dual magnetic low frequency dynamic

Polymer composite diaphragm

Comprehensive performance improvement
The 10mm dynamic unit promotes the increase of the power of the sound unit, enhances the low-frequency volume, texture, and explosive power, and presents a more contagious sound.
KZ Z3 internal structure

Physical noise reduction

Effectively isolates external noise
The KZ Z3 design that fits the curve of the human auricle ensures long-term wearing comfort and improves the sound insulation and noise reduction effect of the earphone, and effectively reducing external noise interference.
KZ Z3 in the ear

Luxury craft

Find more possibilities
KZ Z3 uses the complicated technology of metal and resin splicing. It isn't easy to have similar true wireless appearance designs on the market.
KZ Z3 both sides

Touch lightly, enjoy what you want

Abandon the complicated operation, switch the music, volume adjustment, start Siri, and so on. You can operate all functions with one button.
KZ Z3 near the smartphone
Click the touch key
Previous song
Tap left ear
Next song
Tap right ear
Start Siri
Long press for 2s
Click the touch key
Reject call
Long press for reject

Product specifications

Bluetooth Version:
Bluetooth 5.2
Bluetooth range:
15m (affected by the environment)
Weight of two earphones:
Charging Bin weight:
Charging Bin power:
10mm dual magnetic dynamic unit
30019 high frequency balanced armature
Due to the measurement environment and temperature, and other factors, the product parameters have slight tolerance, which is normal.
KZ Z3 with open charger box

Packing list

Earphone x1
Charging case x1
Earplugs x2
Packing box x1
Type-C charging cable x1
Manual x1
KZ Z3 what's in the box
Contact information
Service Hours:9:00-21:00
Service Hotline
B2B cooperation
2nd Floor, Building A, Longchang MicroPort Park, No.26 Hantang Street, Gutou Community, Dongcheng, Dongguan, Guangdong, China
KZ Z3 hand-drawn imageKZ Z3 box hand-drawn image