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FiiO FT1 Pro Open-Back Planar Magnetic Headphones
Overview
The FiiO FT1 Pro is an open-back, wired over-ear headphone built around a 95x86mm planar magnetic driver that FiiO designed in-house. It's for listeners who want the wide, open soundstage and quick, detailed sound of a planar headphone, without needing a big desktop amp to drive it.
The driver's 1μm diaphragm uses FiiO's patented dual coating: aluminum to improve conductivity and lower the power needed, and sapphire for rigidity and clear, detailed treble. FiiO's patented uniform magnetic field design rounds the corners of the magnets so the field spreads evenly across the diaphragm, which reduces breakup and distortion. The conductive traces are applied with a 28nm-grade vacuum coating process borrowed from the semiconductor industry for long-term durability. The result is a 7Hz to 40kHz frequency response at just 20 ohms and 95dB/mW (112dB/Vrms).
Despite its large double-sided magnet driver, the FT1 Pro weighs about 374g. A 3-axis adaptive headband with steel slides and 12 adjustment steps, a suede contact pad, and breathable fabric earpads with protein leather sides keep it comfortable over long sessions. It's Hi-Res Audio certified by JAS and CEA, uses standard dual 3.5mm TS connectors, and comes with two 1.5m cables (392 wires, 24AWG), one 3.5mm and one 4.4mm balanced, plus a 6.35mm adapter and storage bag.
Simcoe Audio Video Insight
The FT1 Pro is a good first planar headphone if you don't want to build a desktop rig around it. FiiO designed it to sound great without serious amplification, so a decent dongle DAC or portable player is enough to get started, and the 4.4mm cable is ready if your source has a balanced output. Because it's open-back, sound leaks in and out, so it's best for a quiet room at home or a private office rather than a commute.
More Info
Why the FiiO FT1 Pro Stands Out
95x86mm Planar Driver
FiiO-designed driver for fast, detailed, spacious sound.
Sapphire + Aluminum Diaphragm
1μm dual-coated diaphragm for clarity and efficiency.
Uniform Magnetic Field
Patented magnet shaping for even drive and low distortion.
Easy to Drive
20 ohms and 95dB/mW, no big amp required.
Open-Back Design
Wide soundstage with a 7Hz to 40kHz response.
Two Cables Included
3.5mm and 4.4mm balanced, 392-wire 24AWG.
Buyer's Guide
Who It's For
- The Planar-Curious Listener: Wants planar sound without a desktop amp stack.
- The Home Listener: Listens in a quiet room where open-back sound shines.
- The Balanced-Ready Buyer: Wants a 4.4mm cable included for future gear.
How It Compares
The FT1 Pro trades the closed-back dynamic driver of the FiiO FT1 for an open-back planar magnetic design. The FT1 isolates better for shared spaces, while the FT1 Pro gives a wider, more open sound for quiet-room listening. Both use FiiO's 3-axis adaptive headband and include 3.5mm and 4.4mm cables.
FiiO FT1 Pro Open-Back Planar Magnetic Headphones Specifications
| General Information | |
|---|---|
| Model | FiiO FT1 Pro |
| Brand | FiiO |
| Product Type | Open-back planar magnetic over-ear headphone, wired |
| Audio | |
| Driver | 95x86mm planar magnetic, FiiO-developed, double-sided magnets |
| Diaphragm | 1μm, sapphire + aluminum dual coating |
| Magnetic Design | Patented uniform magnetic field |
| Frequency Response | 7Hz to 40kHz |
| Impedance | 20 ohm |
| Sensitivity | 112dB/Vrms @ 1kHz (95dB/mW @ 1kHz) |
| Certification | Hi-Res Audio (JAS, CEA) |
| Cable | |
| Connector | Dual 3.5mm TS, detachable |
| Cables | 3.5mm and 4.4mm balanced, 392 wires, 24AWG |
| Length | 1.5m |
| Adapter | 3.5mm to 6.35mm |
| Physical Specifications | |
| Earpads | Breathable fabric with protein leather sides |
| Headband | 3-axis adaptive, steel slides, 12 positions, suede contact pad |
| Weight | About 374g |
| In the Box | |
| Included | FT1 Pro headphones, storage bag, 4.4mm balanced cable, 3.5mm cable, 3.5mm to 6.35mm adapter, quick start guide |
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