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Hi-Fi Hybrid In-Ear Monitor
Triple-driver greatly enhances bass, midrange, and treble performances for a truly balanced sound
TRN V20 Earphones on a red backgroundTRN V20 Earphones on a red background
Natural sound
Detachable cable
Rich in details

Painstakingly tuned for perfection

High-resolution across the entire audible frequency range
When TRN engineers were given the daunting task to "voice" the new IEM, it had to appeal to the most demanding audiophiles, as well as music lovers. They made a lot of prototypes. Both our engineers and beta-testers would decide on one that suits a wide music genre and listening preferences. Thus, the TRN V20 was born!
A man uses TRN V20 earphoneTRN V20 Frequency response
*The above data is derived from laboratory tests, and actual use may vary slightly.

For an ultimate listening experience

Concentric dynamic drivers + Balance armature drivers
Concentric dynamic drivers give dynamic, clear, punchy bass, textured, and natural midrange. Balance armature drivers provide spacious, crisp, detailed, yet comfortable treble.
Concentric dynamic driver
Balance armature driver
TRN V20 Scheme

Customized concentric dynamic driver with unprecedented power and dynamics

Imported Diamond-Like nanoCarbon (DLnC) diaphragm gives both power and control
Customized super high-flux neodymium magnet, voice-coil, and diaphragm are built into a single unit for your optimum listening pleasure and contentment.
TRN V20 Dynamic driver scheme
Imported DLnC diaphragm

Hearing is believing

Hybrid driver configuration
Concentric dynamic drivers reproduce midrange and low frequencies, and the high frequency is allocated solely to the balanced armature drivers. Such combination takes advantage of both driver types' strengths, giving a seamless sound integration and exceptionally high-fidelity that will please the most discerning audiophiles.
TRN V20 Hybrid driver scheme
Concentric dynamic driver
Balance armature driver

Customized concentric dynamic driver

It gives powerful bass impact!
Imported high-fidelity concentric dynamic drivers specially developed to couple with our balanced armature drivers for the immersive sound experience.
TRN V20 Dynamic driver

Aesthetics that appeal to the masses

High-strength polycarbonate shell
The body of the TRN V20 is made of durable polycarbonate, coupled with a glossy UV coating that gives a slick and lustrous texture.
TRN V20 Black earphones on a grey background

Two pins are better than one

MMCX or 0.75mm 2-pins? TRN engineers were torn between these two popular connectors but decided to adopt the latter due to better connectivity and long-term durability.
TRN V20 Connectors scheme

Instant sound upgrade and transformation

Silver-plated OFC cable*
Overall sound quality improvement
Bluetooth module*
Wired to wireless in a jiffy
* Both silver-plated cable and Bluetooth module are sold separately.

A style that you'll love

Form and functionality that you'll enjoy!
TRN V20 Scarlet red color
TRN V20 Scarlet Red
TRN V20 Grey color
TRN V20 Grey
TRN V20 Black color
TRN V20 Black
A man uses a black TRN V20 earphoneA joyful man uses a black TRN V20 earphoneA joyful man uses a red TRN V20 earphone

As good as custom-made

TRN V20 features specially designed housings that provide excellent isolation, ensuring a confident and comfortable fit wherever your music goes.
TRN V20 Earphone in the ear

4-cores cable

The stock cable consists of 4 cores, each with 56-strand oxygen-free copper reinforced with high-density 250D nylon fibers and woven into a PVC jacket for durability and flexibility.
56-strand OFC
PVC jacket

Wide compatibility

Convenience at your fingertips. TRN V20 is compatible with both Apple iOS and Android devices.
Answer / End call
Play / Pause / Next track / Previous track

3.5mm audio jack

TRN V20 earphones come in both TRRS and TRS 3.5mm audio jack which are widely compatible with many mobile devices and audio equipment today.
Mobile phone


Product model:
Jack type:
3.5mm (TRS / TRRS)
Transducer type:
Triple hybrid drivers
Connector type:
Black / Scarlet red/ Gray
Frequency response:
Cable length:

Contents & Packaging

TRN V20 Size scheme
TRN V20 Earphone x 1 pair (in-line remote is optional)
Braided cable x 1 piece
Silicone ear tips (S,M,L)
x 3 pairs
Users guide x 1

Attaching cable

TRN V20 cable choosing scheme
Match left, and right earpieces to the correct channel stated on the cable connectors.
TRN V20 cable reverse avoid scheme
DO NOT connect reverse.
TRN V20 how to plug in cable scheme
Plug cable connector to the earpiece.
TRN V20 how to remove cable scheme
Insert until the earpiece is secure. To remove, grab the earpiece and cable connector, pull straight.

How to properly fit an IEM

TRN V20 sketch
Identify the left and right earpieces.
How to put the TRN V20 cable on your ear
Bring hand overhead and grasp the top of the ear.
How to align the TRN V20 earbud in your ear
Pull the ear up and out to straighten the ear canal.
How to fix the TRN V20 earphone in your ear
Loop memory wire over-ear and insert earpiece into the ear canal.
How to check if the TRN V20 earbud is securely in your ear
Be sure to slide the ear tip far enough until it seals inside your ear.
The quality of sound and isolation depends on how well the ear tips seal. If lacking bass, check the tightness of the seal between ear tips and your ears or try other ear tip sizes.


Dongguan Zuodu Acoustics Technology Co., Ltd.
5tn Floor, 67 Baisha Road, Humen Town, Dongguan City, Guangdong Province
QQ: 2550039547
Phone: 400-8080-302
Monday to Sunday 8:30 am to 6:00 pm (UTC+8)