Gateway to Hi-Fi

The JD1 by FiiO × JadeAudio brings true high-fidelity sound within reach. At its core is a 10 mm liquid-crystal-polymer (LCP) dynamic driver—lightweight yet rigid—that delivers rich, impact-driven bass and extends cleanly into the treble with total harmonic distortion kept below 1%.

Robust, Responsive Bass

FiiO’s asymmetrical internal-and-external magnet circuit increases magnetic flux around the voice coil for tighter transient response and higher output—so every drum hit and sub-bass rumble hits with authority, while preserving detail in mids and highs.

Built-In DSP & Presets

The USB-C version houses an independent DSP audio chip with native support for up to 96 kHz/24-bit decoding. Five onboard sound profiles (Default, Bass Extension, Treble, Vocal, Harman Reference) let you tailor the JD1’s signature via “+” and “–” buttons on the inline remote.

Universal Plug-and-Play

Choose between a 3.5 mm jack or USB-C connector: both are truly plug-and-play on iOS, Android, Windows, and Mac. The included cable’s HD mic and three-button remote handle calls, playback, and volume without extra adapters.

Comfort-First Design

Each 7 g earpiece features front-rear cavity pressure relief to reduce eardrum strain and an ergonomic, triangular shape that stays secure through long listening sessions. Aluminum-alloy nozzles provide consistent sound transmission and durability.

Premium Build & Future Upgrades

Hand-polished, die-cast zinc-alloy faceplates lend the JD1 a refined look and feel rare in entry-level IEMs. The 0.78 mm dual-pin detachable cable lets you swap in aftermarket cords to unlock even greater sonic potential.

Technical Details

Wearing Method
Around-the-ear In-Ear Monitor
Driver
10 mm LCP Dynamic Driver
Decoding Support (JD1 TC)
Up to 96 kHz / 24-Bit
Frequency Response
20 Hz – 40 kHz
Impedance
24 Ω @ 1 kHz
Sensitivity
109 dB / mW @ 1 kHz
Cable Material
OFC (Oxygen-Free Copper)
Cable Length
Approx. 120 cm
Single Unit Weight
Approx. 7 g (excluding cable)
Headphone Connector
0.78 mm 2-Pin Detachable Cable
Audio Plug (JD1 TC)
USB Type-C
Audio Plug (JD1)
Gold-Plated 3.5 mm jack
Inside the Box
  • 1× JD1 earphones
  • 1× Type-C earphone cable / 3.5 mm earphone cable
  • 3 pairs of ear tips (S/M/L; M pre-installed)
  • 1× Quick start guide

30-Day Return Policy

You may return any non-customized product that is still factory sealed, within 30 days upon receiving it. For items that are damaged, incorrect, or faulty upon delivery, Linsoul will assess the issue and provide a solution accordingly.

1 Year Warranty

The FiiO/JadeAudio JD1 Comes with a 1 year warranty on In-Ear Monitors and 3 month warranty on the cable.

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