TRN Sea Serpent

4-core copper and silver mixed cable
Upgradable audio jack cable
TRN Sea SerpentTRN Sea Serpent
*Please note: Photos for illustration purposes only. Actual products may vary in appearance or specification.

Newly upgraded 5-pin replaceable audio jack

The TRN Sea Serpent is a high-quality audio cable made with a combination of copper and silver wires. Its 5-pin jack is designed to ensure the accurate and stable transmission of audio signals. The cable also features a high-sensitivity microphone for clear and pure recording.
Audio connectors
5-pin jack and 5-pin cable

5-pin jack and 5-pin cable

(with microphone function)
4-pin jack and 4-pin cable

4-pin jack and 4-pin cable

(without microphone function)
Note: The new 5-pin jack is equipped with a 5-hole cable and cannot be inserted into a 4-hole cable. The old 4-pin jack can be inserted into a 5-hole cable for use (without a microphone function).

Carefully selected cables of good quality

The TRN Sea Serpent cable combines meticulously chosen copper and silver wires to provide superior audio fidelity and durability. Each component is selected to ensure optimal performance and longevity, making it an excellent upgrade for any audio enthusiast.
4-core copper and silver mixed cable

The cable is also made with imported environmentally friendly materials

The TRN Sea Serpent cable is made of imported environmentally friendly materials. It provides clean signal transmission and exceptional stability under varying temperature and humidity conditions. Commitment to sustainability not only improves productivity but also ensures longevity.
TRN Sea Serpent's cable weaving

Replaceable audio jack

The TRN Sea Serpent features a straight-plug replaceable audio jack compatible with 3.5mm single-ended, 2.5mm balanced, and 4.4mm balanced connections. This versatility lets you easily switch between different audio setups for a tailored listening experience.
TRN Sea Serpent's swappable audio connectors

The cable is also designed for comfortable wearing with an ergonomic design

The TRN Sea Serpent cable boasts an ergonomic over-ear hook design that enhances stability and comfort. Reducing direct pressure on the ear canal minimizes fatigue during long-term use, ensuring a more enjoyable listening experience.
TRN Sea Serpent's ear hooks

Clear and bright voice recording

The TRN Sea Serpent can have a high-definition microphone for superior voice recording. Its high-sensitivity output captures sound changes with remarkable precision, ensuring clearer calls and brighter vocals.
TRN Sea Serpent's microphone
Note: The TRN Sea Serpent uses a microphone function and requires a 5-pin jack. The old 4-pin jack does not support the microphone function.

High resolution with a sense of hierarchy

The TRN Sea Serpent cable delivers high resolution, precisely capturing fine details of the audio signal. It enhances the hierarchy between frequency bands, adeptly handling music with an extensive dynamic range. The accurately portrayed sound field ensures a natural and bright overall sound.
TRN Azure Dragon connected to TRN Sea Serpent

Instructions for EZ-Swap connectors

When switching EZ-Swap connectors:
Alight both male end
and female ends
of the connector
in a straight line.
Push in both ends
for quick attachment.
Pull both ends for quick detachment.


Product name
TRN Sea Serpent
Connector types
2Pin (S-type)
Cable configuration
Main cable 4-strands 356 cores
Jack types
3.5mm / 2.5mm / 4.4mm
Silver gray
Over-ears with soft ear loops
*Actual product specifications may vary, and all features, functionality, and other specifications are subject to change without notice or obligation.
TRN Sea Serpent cable with 3 connectors


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)