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- 2yr Manufacturer Warranty
- Pickup available: Richmond Hill, ON
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Fosi Audio i5 Open-Back Planar Magnetic Headphones
The Fosi Audio i5 is an open-back planar magnetic headphone designed to deliver reference-level clarity, low distortion, and long-term comfort. Developed through extensive in-house acoustic tuning, it combines large-scale planar drivers with carefully engineered materials to achieve a natural, spacious presentation.
With a focus on precision, comfort, and refined craftsmanship, the i5 is suited for critical listening, studio work, and immersive home audio setups when paired with a capable headphone amplifier.
Features
- Open-back planar magnetic headphone design for an expansive, accurate soundstage
- Nano-thin diaphragm engineered for fast transient response and low distortion
- Ultra-large 97 mm planar driver designed to reveal fine detail and layered sound
- Symmetrically arranged high-strength magnetic matrix for precise diaphragm control
- Silver-coated diaphragm using sputtered coating technology for refined, consistent performance
- Acoustically transparent rear mesh to support open sound and controlled damping
- Studio-oriented tuning aimed at natural timbre and reference accuracy
- Memory metal headband designed to maintain shape while reducing pressure
- Dual-axis earcup arms for improved fit across different head shapes
- Stepless silicone adjustment system for precise, smooth headband sizing
- Breathable, skin-friendly earpads with memory foam for extended listening comfort
- Handcrafted walnut wood earcups paired with a CNC-machined aluminum frame
Specifications
- Transducer type: Planar magnetic
- Driver size: 97 mm
- Diaphragm thickness: 2 μm
- Frequency response: 10 Hz – 50,000 Hz
- Sensitivity: 98 dB/mW @ 1 kHz
- Nominal impedance: 28 Ω
- Maximum SPL: ≥ 120 dB SPL
- Total harmonic distortion: < 1% @ 100 dB SPL
- Recommended amplifier power: ≥ 500 mW
What’s in the box
- Fosi Audio i5 headphones
- 3.5 mm headphone cable
- 6.35 mm adapter
- User manual
Product Details
- Fosi Audio i5
-
Brand New : Factory Sealed
- EFLC : 15468
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Warranty
Two Year Warranty
- Parts and Labour Warranty
- Canada-wide Coverage
- Fosi Audio Authorized
Returns
Peace of Mind Purchase
- Factory-sealed items are fully covered
- 20-day return window for unopened products
- Support available if there’s an issue on arrival
About Fosi Audio
Fosi Audio offers a focused lineup selected for practical features and long-term value. We've been carrying Fosi Audio since 2020.
Explore our current Fosi Audio selection and best sellers. We offer both new and open-box items, and everything is clearly marked. Popular categories include DACs & Digital Converters, Portable DACs & Headphone Amps, Amplifiers & Receivers.
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