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DESCRIPTION

The Fosi Audio i5 Planar Headphone is a premium open-back planar magnetic headphone featuring an industry-leading 97mm ultra-large nano-thin diaphragm and a 44-magnet array for exceptionally clear, low-distortion studio audio.

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.

SPECIFICATIONS

Features:

Nano diaphragm, studio-grade sound
97mm driver, extreme detail resolution
Walnut build, premium craftsmanship
Open-back, expansive soundstage accuracy
Pair it with: 4.4mm standard cable, XLR adaptor, replacement earpads.

Specifications:

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