Experience next-level precision, clarity, and immersion with the TANCHJIM FOLA IEM—a premium in-ear monitor engineered for audiophiles, gamers, and movie lovers who demand lifelike sound. Designed with TANCHJIM’s advanced DMT5 dynamic driver architecture, FOLA delivers exceptional energy conversion efficiency, ultra-low distortion, and a smooth frequency response that elevates every listening session.

Precision Engineering for Exceptional Sound

At the core of FOLA is a double-chamber, double-magnetic circuit dynamic driver, purpose-built to reduce distortion and deliver accurate sound across an ultra-wide 2Hz–48kHz frequency range. Paired with TANCHJIM’s flagship single-dynamic waveguide cover, it enhances high-frequency performance, offering crisp treble, excellent detail retrieval, and lifelike resolution.

Virtual 7.1/5.1 Surround for Immersive Gaming & Movies

FOLA integrates HRTF-tuned virtual 7.1/5.1 surround sound, creating a spacious, cinematic listening environment. Gamers benefit from heightened positional accuracy—spotting footsteps, gunfire, and directional cues with ease—while movie enthusiasts enjoy richer, more immersive soundscapes.

Customisable Sound Signature

Tailor your audio with FOLA’s interchangeable acoustic tubes:

• Light Tube – enhanced clarity and detail

• Standard Tube – balanced natural sound

• Dynamic Tube – impactful bass and immersive warmth

This allows users to shape the sound to their taste. Included is a premium copper-plated silver Litz cable for clean, stable signal transmission.

Premium Build with Exceptional Comfort

Built with a CNC-machined aluminium alloy chassis and a sapphire glass faceplate, FOLA strikes the perfect balance between elegance and durability. The lightweight shell and ergonomic contour deliver long-lasting comfort, complemented by TANCHJIM’s T-APB air-pressure balancing eartips for reduced fatigue and a secure fit.

High-Frequency Enhancement with Waveguide Technology

The advanced waveguide cover uses FEA-optimised acoustic modelling to increase high and ultra-high frequency energy transmission by up to 10%, improving detail, clarity, and sparkle while reducing unwanted losses.

Optimised Acoustic Flow for Cleaner, Clearer Audio

A specially engineered inner chamber minimizes sound turbulence, improving vocal intelligibility and high-frequency smoothness. The semi-open back cavity enhances presence in the 5–6kHz band, adding transparency to vocals and instruments without harshness.

Specifications – TANCHJIM FOLA

Model: FOLA
Driver: Inner–outer double-magnetic circuit, double-chamber dynamic driver
Driver Technology: DMT5 architecture
Diaphragm: PU suspended edge + DLC dome composite
THD: <0.056% @ 1kHz, 94dB
Impedance: 16Ω ±5%
Sensitivity: 126dB/Vrms
Frequency Response: 2Hz – 48kHz
Cable: Interchangeable (3.5mm / 4.4mm / DSP-S plug options)
Cable Material: Silver-plated oxygen-free copper, Litz anti-oxidation structure

In the Box:

• FOLA Earbuds ×1 pair

• Cable ×1

• Interchangeable Tubes (Light, Standard, Dynamic) ×3 pairs

• T-APB Air Pressure Balancing Eartips ×6 pairs

• PVC Storage Bag ×1

• User Manual ×1