Tanchjim OLA II Hybrid In-Ear Earphone

Product Overview

The Tanchjim OLA II Hybrid In-Ear Earphone is an advanced budget audiophile monitor engineered to deliver neutral, high-resolution acoustic performance. Building upon the acclaim of the original single-driver OLA, the OLA II transitions into a two-way coaxial hybrid configuration. By housing a custom 10mm DMT5 dual-magnetic dynamic driver alongside a high-frequency PURE-Hi balanced armature driver on a single acoustic axis, the OLA II reconciles deep sub-bass control with detailed, extended treble presence up to 48 kHz.

Every element of the Tanchjim OLA II reflects meticulous acoustic engineering. The housing blends an aerospace-grade CNC-machined aluminum alloy faceplate with a crystal-clear medical-grade resin inner cavity. To solve the phase cancellation and frequency crossover problems common in multi-driver in-ear monitors, Tanchjim aligned both transducers coaxially. Combined with an ultra-low total harmonic distortion (THD) rating of 0.03% at 1 kHz and Helmholtz acoustic pressure relief venting, this monitor provides balanced sound and comfort during extended listening sessions.

Whether you choose the traditional 3.5mm single-ended edition, the 4.4mm balanced connector, or the integrated Type-C DSP version featuring 32-bit/384kHz hardware decoding and 8-band parametric EQ tuning, the OLA II adapts to any audio setup. Order your authentic Tanchjim OLA II Hybrid In-Ear Earphone directly from GadgetVokto for 6,200 BDT to guarantee 100% original quality, fast shipping across Bangladesh, and dedicated customer support. To read more about driver alignment and acoustic transducer principles, explore the In-Depth Audio Driver Topology Guide on Wikipedia.

Technical Specifications

Why Choose Tanchjim OLA II Hybrid In-Ear Earphone?

Selecting an in-ear monitor that delivers high resolution without harshness can be challenging. The Tanchjim OLA II offers key advantages for discerning music lovers:

• Coaxial Dual-Driver Alignment: Places the dynamic driver and balanced armature along the same sound path, ensuring pinpoint imaging and phase accuracy.
• 10mm DMT5 Dynamic Unit: High magnetic flux density produces impactful, well-controlled sub-bass rumble without muddying the midrange.
• Dedicated PURE-Hi BA Treble Driver: Offloads high frequencies to a dedicated armature unit, delivering crisp cymbals and micro-details up to 48,000 Hz.
• Ultra-Low 0.03% THD: Harmonic distortion is kept extremely low for a clean, noise-free sound background.
• Ergonomic 3,000+ Ear Profile Housing: Designed using thousands of ear canal scans to ensure a secure, fatigue-free fit.
• Pressure Relief Venting: Recessed rear vents manage airflow to prevent driver flex and pneumatic ear pressure build-up.
• High-Purity Silver-Plated Litz Cable: Flexible, tangle-resistant twisted braid minimizes signal degradation and microphonics.
• Hardware DSP & 8-Band PEQ Option: Type-C edition features built-in 32-bit decoding and hardware equalization via the Tanchjim app.

Key Features & Acoustic Engineering

The Tanchjim OLA II incorporates specialized acoustic solutions across its construction:

10mm DMT5 Dual-Magnetic Dynamic Driver

The dynamic driver handles low and lower-midrange frequencies using Tanchjim’s fifth-generation DMT magnetic architecture. By doubling the internal magnetic circuit density, the voice coil achieves fast acceleration and damping. The dynamic driver delivers controlled sub-bass impact and clean male vocals, avoiding the boominess found in conventional budget dynamic drivers.

PURE-Hi Ultra-High Frequency Balanced Armature

Handling frequencies above the midrange crossover point, the custom PURE-Hi balanced armature driver renders upper harmonics, string overtones, and vocal airiness. By offloading treble duties from the dynamic diaphragm, the armature unit extends frequency response smoothly out to 48 kHz without introducing harsh metallic sibilance.

Coaxial Acoustic Alignment

In traditional hybrid monitors, drivers are mounted side-by-side inside the nozzle, which can introduce subtle time-delay differences between low and high frequencies. The OLA II aligns the PURE-Hi BA directly in front of the center of the 10mm dynamic driver along the same acoustic axis. This coaxial sound path ensures soundwaves reach your eardrum in total synchronization, delivering a coherent soundstage with accurate instrument separation.

Finite Element Analysis & Pressure Relief Venting

Using Finite Element Analysis (FEA) software, Tanchjim optimized the internal cavity geometry to eliminate standing wave reflections. The enclosure incorporates an integrated rear Helmholtz resonator and recessed pressure relief vents. These vents balance air pressure inside the ear canal, allowing the dynamic driver diaphragm to move freely while preventing pressure discomfort during long listening sessions.

Detailed Sound Signature Breakdown

The acoustic tuning of the Tanchjim OLA II follows a refined neutral-warm curve with energetic treble extension:

• Sub-Bass & Mid-Bass: Sub-bass extends deep with clean rumble. Mid-bass impact is punchy, quick, and tight, keeping bass lines distinct from the midrange.
• Midrange & Vocals: Vocals sit forward in the mix with clear clarity. Male vocals sound natural, while female vocals possess presence without sibilance or harshness.
• Treble & Extension: Thanks to the dedicated PURE-Hi BA driver, high frequencies are detailed, airy, and well-extended, making subtle acoustic details easy to hear.
• Soundstage & Imaging: The coaxial driver layout creates a open soundstage with wide instrument separation, accurate depth, and precise directional cues.

Termination & DSP Edition Analysis

The Tanchjim OLA II is offered in three termination options to suit your listening setup:

• 3.5mm Single-Ended Edition (with Microphone): Features a gold-plated 3.5mm plug with an inline high-definition microphone, perfect for smartphones, laptops, and everyday devices.
• 4.4mm Balanced Edition (No Microphone): Designed for audiophiles using high-resolution Digital Audio Players (DAPs) or balanced desktop amplifiers to maximize channel separation and power headroom.
• DSP Type-C Edition (with Microphone): Plugs directly into modern smartphones and computers. It features a built-in DAC supporting 32-bit/384kHz decoding and an 8-band parametric equalizer configurable via the Tanchjim mobile app.

Best Uses for Audiophiles, Gamers & Daily Listeners

The Tanchjim OLA II fits easily into various audio applications:

• Acoustic & Vocal Music: Neutral tuning and transparent midrange reproduce acoustic instruments, folk, pop, and classical tracks with natural warmth and detail.
• Competitive Tactical Gaming: Precise spatial imaging and rapid transient response make it easy to pinpoint enemy footsteps, gunfire, and audio cues in FPS titles.
• On-the-Go Mobile Listening: The Type-C DSP version connects directly to modern smartphones without needing external DAC adapters.
• Content Creation & Podcasting: Low distortion and clean frequency response provide accurate acoustic feedback for audio monitoring and video editing.

Coaxial Hybrid vs Traditional Multi-Driver Comparison

See how coaxial driver placement compares to traditional multi-driver layouts:

Tips for Optimal Fit & Maintenance

Get the best performance from your Tanchjim OLA II with these tips:

• Ensure a Proper Acoustic Seal: Try all included sizes of silicone eartips to find a tight seal in your ear canal, which is essential for proper sub-bass response and noise isolation.
• Connecting 2-Pin Cables: When attaching or swapping cables, align the 0.78mm 2-pin connectors carefully with the recessed sockets to avoid bending the pins.
• Clean Nozzle Filters: Periodically wipe the metal nozzle filters with a dry microfiber cloth to remove dust or debris and maintain clear sound output.

Exchange & Warranty Policies

Review our store policies when ordering the Tanchjim OLA II from GadgetVokto:

• Mandatory Unboxing Video: Customers must record a continuous, unedited unboxing video starting from opening the sealed shipping package to verify box contents.
• Immediate Defect Reporting: Any physical damage or missing items must be reported immediately to customer support with video proof.
• Strict Verification Standard: Warranty claims and exchanges require a valid unboxing video for validation.
• 7-Day Replacement Window: Verified manufacturing defects present upon delivery are eligible for replacement within 7 days.
• Void Conditions: Damage caused by drops, liquid immersion, or bent 2-pin connectors voids warranty coverage.

What’s Inside the Box

• 1 x Pair of Tanchjim OLA II Hybrid In-Ear Monitors (Left & Right)
• 1 x Detachable 0.78mm 2-Pin Silver-Plated Copper Litz Cable
• 6 x Pairs of High-Performance Silicone Eartips (S / M / L Sizes)
• 1 x Soft Protective Carrying Pouch
• 1 x User Manual & Warranty Card

Frequently Asked Questions

Does the Tanchjim OLA II require a dedicated headphone amplifier?

No. With a sensitivity of 121 dB/Vrms and 30 Ω impedance, it is efficient and can easily be driven by smartphones, laptops, or USB dongle DACs.

What is the advantage of the coaxial 1DD + 1BA driver layout?

Placing both drivers along the same acoustic axis aligns soundwaves, minimizing phase cancellation and delivering clear vocal imaging and smooth frequency transitions.

How does the DSP Type-C version work with smartphones?

The Type-C edition features an integrated 32-bit/384kHz DAC chip that connects directly to USB-C ports, enabling customizable sound profiles via the 8-band PEQ in the Tanchjim app.

Is the Tanchjim OLA II comfortable for long listening sessions?

Yes. The ergonomic resin housing is modeled after 3,000+ ear canal profiles, and built-in pressure relief vents prevent air pressure build-up inside the ear canal.

Can I replace or upgrade the cable on the OLA II?

Yes. It features standard 0.78mm 2-pin recessed sockets, allowing you to easily swap or upgrade cables as needed.

Final Thoughts

The Tanchjim OLA II Hybrid In-Ear Earphone delivers outstanding technical performance in the budget audiophile category. By pairing a 10mm DMT5 dynamic driver with a PURE-Hi balanced armature in a coaxial configuration, it provides deep bass response, natural vocals, and extended high-frequency detail. Complete with ergonomic housing, pressure-relief venting, high-purity Litz wiring, and hardware DSP customization, it offers incredible value for music enthusiasts and gamers alike. Order your authentic Tanchjim OLA II today from GadgetVokto for 6,200 BDT and enjoy fast, reliable delivery anywhere in Bangladesh!

Table of Contents

• Product Overview
• Why Choose Tanchjim OLA II Hybrid In-Ear Earphone?
• Key Features & Acoustic Engineering
• Detailed Sound Signature Breakdown
• Technical Specifications
• Termination & DSP Edition Analysis
• Best Uses for Audiophiles, Gamers & Daily Listeners
• Coaxial Hybrid vs Traditional Multi-Driver Comparison
• Tips for Optimal Fit & Maintenance
• Exchange & Warranty Policies
• What’s Inside the Box
• Frequently Asked Questions
• Final Thoughts