Fosi Audio i5 Open-Back Planar Magnetic Headphones
Fosi Audio i5 Open-Back Planar Magnetic Headphones
Fosi Audio i5 Open-Back Planar Magnetic Headphones
Fosi Audio i5 Open-Back Planar Magnetic Headphones
Fosi Audio i5 Open-Back Planar Magnetic Headphones

Fosi Audio i5 Open-Back Planar Magnetic Headphones

Rs. 76,700.00

Key Features

97mm Large Planar Magnetic Drivers

Ultra-Thin 2μm Diaphragm

Open-Back Design for Expansive Soundstage

10Hz–50kHz Frequency Response

98dB/mW Sensitivity

Premium Walnut Wood Ear Cup Chambers

CNC-Machined Aluminium Frame

Low-Distortion, High-Resolution Audio

Detachable Wired Cable Design

Standard warranty provide by OEM

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Rs. 76,700.00
Fosi Audio i5 Open-Back Planar Magnetic Headphones
Rs. 76,700.00

Product Description

Immersive Listening, Pure Original Sound : Experience studio-grade audio fidelity with nano-thin diaphragm and stealth magnets. Precision acoustics deliver high-resolution, low-distortion sound for live-performance realism

97mm Ultra-Large Diaphragm : Industry-leading 97mm driver at 2μm thickness reveals microscopic details. Magnetron-sputtered silver alloy coating enhances clarity while ensuring long-term sonic consistency and durability

Ergonomic Design, Long-Lasting Comfort : Memory-steel headband with multi-axis pivoting earcups adapts instantly. Silicone sliders enable micro-adjustments. Breathable protein leather ear pads eliminate fatigue during extended sessions

Refined Craftsmanship : Handcrafted walnut wood chambers paired with CNC-milled aluminum frame. Genuine sheepskin headband and signature S-design accents exude understated luxury and timeless sophistication

Precision Magnetic Control : 44 N50 neodymium magnets ensure razor-sharp transients. Acoustically transparent open-back grille minimizes resonance for expansive, holographic soundstage with studio-grade accuracy

Open-Back Planar Magnetic Headphones for HiFi Audiophiles

Democratizing Planar Sound

The i5 was born from our mission to make planar magnetic headphones more accessible—without compromising on sound quality, comfort, or design. Over a year of in-house development and acoustic tuning led to a headphone that delivers exceptional clarity, low distortion, and lifelike detail.

  • Transducer Type: Planar Magnetic Transducer
  • Maximum SPL: ≥ 120 dBSPL
  • Frequency Response: 10 - 50,000 Hz; THD: < 1% @100dBSPL
  • Sensitivity: 98 dB/mW @1kHz; Nominal Impedance: 28 Ω
  • Recommended Power: ≥ 500 mW

Immersive Listening, Pure Original Sound

Nano-thin diaphragm,symmetrical magnets&precision acoustics deliver high-res, low-distortion sound.

Durable Memory Metal Headband

High-strength memory metal headband stays shaped, lightweight & flexible for pressure-free comfort.

Ultimate Hi-Fi Stack: DAC+Amp+i5 Headphones

DAC+Amp+i5 headphones deliver pristine audio&endless musical immersion with studio-grade precision.

Specifications

Brand

Fosi Audio

Model

i5

Product Type

Over-Ear Headphones

Headphone Type

Open-Back, Wired

Driver Type

Planar Magnetic

Driver Size

97mm

Diaphragm Thickness

2μm

Frequency Response

10Hz–50kHz

Impedance

28Ω

Sensitivity

98dB/mW @ 1kHz

Maximum SPL

≥120dB SPL

Total Harmonic Distortion (THD)

Less than 1% @ 100dB SPL

Recommended Power

≥500mW

Connectivity

Wired

Cable Type

Detachable

Construction

Walnut Wood, Aluminium and Metal

Ear Cup Design

Over-Ear

Microphone

Not Built-In

Weight

Approx. 550g

Included Accessories

3.5mm Cable, 6.35mm Adapter, User Manual