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TRN Manuals & User Guides

TRN specializes in high-fidelity audio equipment, including professional in-ear monitors, Bluetooth earphone modules, DAC amplifiers, and premium audio cables.

Tip: include the full model number printed on your TRN label for the best match.

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Explore TRN Audio Manuals and Guides

TRN is a dynamic audio brand established in 2017, dedicating itself to providing high-quality sound experiences for audiophiles and casual listeners worldwide. Their product lineup features a versatile range of high-fidelity audio gear, including professional in-ear monitors (IEMs), innovative Bluetooth earphone modules, and portable DAC amplifiers tailored for pristine sound conversion.

Whether you are upgrading wired earphones into wireless setups using their TRN BT series modules or looking for specialized audio enhancement with products like the TRN Black Pearl DAC, the brand delivers flexible and affordable solutions. Focusing on advanced acoustic engineering, TRN also provides premium upgrade cables, flat head earplugs, and protective earphone storage options to keep your audio devices performing optimally on the go.

TRN manuals

Latest manuals from manuals+ curated for this brand.

TRN Scallop Bluetooth Earbuds Instruction Manual

August 20, 2026
Scallop Instruction manual Product overview Operation Manual Turning on Remove earpieces from the charging case, it will turn on automatically Long press 3 seconds after auto off Voice prompt: "Power…

TRN CS43131 Black Pearl User Manual

April 21, 2026
TRN CS43131 Black Pearl Specifications Parameter Information DAC chip CS43131*2 Chip USB type TRN SHELL Supported specifications 32bit/384kHz, DSD256 Dimensions 57mm * 23mm * 13mm Weight ~25g (Cable not included)…

TRN T-BOX Bluetooth Headphone Storage Case User Manual

April 18, 2026
TRN T-BOX Bluetooth Headphone Storage Case Product Specification Product Name: TRN Bluetooth Headphone Storage Case Series Product Models: Aluminum Alloy Premium Case Plastic Travel Case Material Features: Aluminum Alloy: Scratch-resistant…

TRN manuals from online retailers

TRN BT20S/BT20 Bluetooth Earphone Connector User Manual

BT20 0.78mm Pin • July 8, 2025
This user manual provides comprehensive instructions for the TRN BT20S/BT20 Bluetooth 5.0 APTX HIFI Earphone Connector. It covers product overview, package contents, setup, operating instructions, maintenance, troubleshooting, and…

TRN MT5 Earphones User Manual

MT5 • 1 PDF • March 29, 2026
Comprehensive user manual for TRN MT5 Dual Dynamic Driver In-Ear Monitors, covering setup, operation, maintenance, specifications, and troubleshooting.

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TRN support FAQ

Common questions about manuals, registration, and support for this brand.

  • How do I pair my TRN Bluetooth earphone module to my device?

    When both modules are off, press and hold the button for 5 seconds to enter pairing mode. Then, search for available Bluetooth devices on your phone and select the TRN module to pair.

  • How do I charge my TRN Bluetooth earphone module?

    Place the Bluetooth modules back into the included charging case. A full charge typically takes around 1.5 hours, and the LED indicator will turn red while charging.

  • Can I use TRN earphone modules to make phone calls?

    Yes, many TRN modules, such as the BT20S PRO and Black Pearl DAC, support built-in microphones for taking phone calls and activating voice assistants.

  • What devices are compatible with a TRN portable DAC like the Black Pearl?

    TRN portable digital audio decoders are compatible with devices that support USB audio output, including most modern smartphones, tablets, and computers.