Today, FiiO launched its latest and one of the most awaited products, the FF3S flat-head earphones, in China. A key highlight of the FF3S earphones is its aluminum alloy shell, matte surface design, and replaceable cable. The FF3S is an upgraded version of the FF3 flat-head earbuds. It is a mid-budget earphone that offers a top-notch speaker experience to users. Now, let’s discuss the FiiO FF3S earphones in detail.
FiiO FF3S Earphones Specifications & Quick Review-
FiiO FF3S Design
The FiiO FF3S offers both comfort and quality. The aluminum alloy ear cavities have been redesigned to weigh just 3.9 grams each. This substantial weight reduction ensures that the earphones provide a comfortable fit without putting pressure on the ear canal. The design is so lightweight that it feels like you are not wearing anything on your ears. Another unique feature of the FF3S is its dual “drum” shaped bass cavity design, which allows for enhanced sound resonance within the earphone structure, resulting in a more robust audio performance.
Sound Quality and Drivers
The FF3S features a large 14.2mm dynamic driver with a beryllium-plated dome and PU gasket suspension. These components work together to offer a clean and natural sound with low distortion. The earphones are professionally tuned and are perfect for various musical genres.
Bass Enhancing Acoustic Flute
An acoustic tube has been integrated into the earphone structure. Known as the Bass Enhancing Acoustic Flute, this design extends the airflow path and increases air damping. The result is a lower resonance point, which leads to a powerful and well-defined bass response.

FiiO FF3S Price & Availability- $68
The FF3S earphones come with a price tag of 499 yuan (approximately $68). These are mid-range earphones that offer a host of features and a premium design. According to the official announcement, these earphones will be available by the end of this week, and users can purchase them both offline and online on JD.com. Globally, they will be available in October 2023.
FiiO FF3S Earphones Key Specs
Feature | Specification |
---|---|
Design Material | Lightweight Aluminum Alloy |
Weight | 3.9 grams per earpiece |
Cavity Design | Dual “Drum” Shaped |
Dynamic Driver Size | 14.2mm |
Dome Structure | Beryllium-Plated |
Diaphragm Material | PU Gasket Suspension |
Voice Coil | Imported Daikoku |
Cable Type | Detachable, with 2-pin connectors |
Cable Material | High-Purity Monocrystalline Copper Silver-Plated |
Termination Plug System | Twist-Lock Swappable |
Included Plugs | 3.5mm and 4.4mm |
Cable Length | Approximately 120cm |
Impedance | 45Ω |
Frequency Response Range | 20Hz-20kHz |
Sensitivity | 105dB |
Max Input Power | 100mW |
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