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The Best Fiio F9 Pro of 2021 – Reviewed and Top Rated

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After hours researching and comparing all models on the market, we find out the Best Fiio F9 Pro of 2021. Check our ranking below.

2,695 Reviews Scanned

Rank No. #1
FiiO FH3 Triple Drive(1 Dynamic + 2 Knowles BA) in-Ear HiFi Earphones with High Resolution,Bass Sound, High Fidelity for Smartphones/PC/Tablet
  • [Get the bass]:The 10mm beryllium-plated diaphragm dynamic driver in the FH3 earphones was specifically chosen for its superior acoustic properties. The beryllium-plated diaphragm is not only light and thin but is also extremely rigid, allowing for thunderous yet lightning quick, responsive and dynamic bass.
  • [Get the mid and high]:The FH3 headphones which is two Knowles drivers paired with a beryllium-plated dynamic driver ,placed near the opening of the sound tube, controlled by a physical + electronic frequency crossover system masterfully cover the entire frequency response range. High-frequencies: the Knowles RAD-33518 driver provides extremely clear sound with well-extended yet smooth treble. Mid-frequencies: the ED-30262 gives sweeter and fuller vocals as well as a wider soundstage.
  • [S.TURBO acoustic design & balanced pressure relief technology]:The longer and smoother turbine-inspired sound tubes effectively filter unwanted high frequencies, giving one deeper and harder-hitting bass after it is combined with FiiO’s patented S.TURBO acoustic design. And the FH3 earphones utilizes FiiO’s patented balanced pressure relief technology,carefully designed so as to ensure that the air pressure in the front and rear chambers is balanced, thus making for stress-free listening.
  • [High-purity monocrystalline silver-plated copper cable]:The included high-purity monocrystalline silver-plated copper cable,with 4 strands of 96 wires, was carefully chosen for its fidelity and ability to resolve details, being noticeably better than the typical earphone cable. One’s music will sound sublime with the included cable, which brings the best out of the FH3’s drivers.
  • [Comfort for your ears & 3rd gen industrial design]:To make a circle of comfort for your ears,FH3 earbuds is made of a aerospace-grade aluminum-magnesium alloy shell. The 5-axis CNC precision machining ensures that the body of the FH3 is made to tight tolerances.Besides,continuing the same design as the FH series of earphones and through data on thousands of people’s ear,an extremely comfortable design for the FH3 headphones was created.
Rank No. #2
FiiO F9 Best Over The Ear Headphones/Earphones/Earbuds Detachable Cable Design Triple Driver Hybrid in-Ear Monitors with Android Compatible Mic and Remote (Black) ...
  • Consumer Alert: Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device.
Rank No. #3
MEE audio M6 PRO Musicians’ In-Ear Monitors with Detachable Cables; Universal-Fit and Noise-Isolating (2nd Generation) (Black)
  • 2nd-generation M6 Pro universal-fit noise-isolating in-ear monitors feature upgraded sound and build quality
  • The highly acclaimed sound of the M6 Pro gets further Refined for the second generation with a more accurate midrange and smoother, more natural treble
  • Engineered for real-world reliability with detachable, replaceable cables and a sweat-resistant design
  • All-day comfort with secure over-the-ear fit, flexible “memory wire” earhooks, and seven pairs of eartips including Comply T-Series memory foam tips for extra noise isolation
  • Includes regular stereo cable, headset cable with mic/remote, protective carrying case, Comply memory foam eartips, 6 sets of silicone eartips, and ¼” adapter; 1-year warranty
Rank No. #4
FiiO FH7 5-Drive (1DD + 4BAs) Hybrid in-Ear Earphones/Headphones with DIY Sound Filters,High Fidelity for Smartphones/PC/Tablet (Black)
  • Aerospace-grade aluminum-magnesium alloy, treated with five-axis CNC machining
  • 4 Knowles DFK+SWFK BA driver units and one 13.6mm large beryllium diaphragm dynamic driver
  • S.TURBO acoustic design, exotic-inspired independent sound tubes and exotic-inspired acoustic structural design
  • Provided with a LC-3.5C earphone cable that is composed of high-purity Litz monocrystalline copper-plated silver wires
  • Create your own sound with 3 pairs of interchangeable sound filters and 15 pairs of eartips (with 3 pairs of SpinFit tips in S/M/L)
Rank No. #5
FiiO FH1s HiFi 1BA(Knowles)+1Dynamic Hybrid Earphone IEM Stereo Bass Earphone with 0.78 2pins High Purity monocrystalline Cables(Without Mic,Black)
  • 【COMFORTABLE&EXCELLENT SOUND】The FH1s takes the popular FiiO FH1 as the starting point, but significantly improves on it by being developed around an all-new balanced armature driver,and allow the FH1s to produce a classic balanced sound with deep bass and smooth mids and highs.
  • 【HIGH PERFORMANCE】Specially-customized balanced armature driver co-developed by FiiO and Knowles which reduces unwanted resonances and gives the higher frequencies a sense of realism and tactility you can really feel.
  • 【REMOVABLE CABLE】Detachable 0.78 2pins design including a 3.5mm-terminated cable made of High purity monocrystalline Litz cable for better audio transmission performance under the naturally-occurring yet adverse skin effect. What this means for actual listening are improved bass and mids, as well as more coherency between all audio frequencies.
  • 【Robust bass】The dynamic driver used in the FH1s is a large 13.6mm unit with a polymer diaphragm. The larger the dynamic driver, the more it is able to provide textured, deeply extended, quick, yet robust bass that sounds extremely natural.
  • 【STYLISH DESIGN】Under the “FiiO” logo are multiple layers of celluloid superimposed on each other which results in a slightly different looking pattern for each unit, giving each FH1s its own custom look.
Rank No. #6
FiiO FD1 Hi-Res Earbuds Wired,in The Earphone,Beryllium-Plated Dynamic Driver,4-Stranded High-Purity Monocrystalline Copper Cable, 0.78pin,Strong Bass (Without Mic,Black)
  • [Flagship-grade beryllium-plated diaphragm driver]With FiiO's typical flagship-grade headphone technology, the FD1 headphone dynamic driver is made of high-end beryllium, known for being light, thin yet extremely rigid. It brings you a sense of movement and power, shaping majestic sound performances. That means 4 times more rigid than steel, three fourth lighter than titanium,and sound velocity up to 12KM/s.Extraordinary configuration just perfectly matches with you.
  • [Two-way magnetic circuit design,powerful driven capacity]The FD1 earphone dynamic driver is designed with an N50 two-way magnetic circuit having a 55% magnetic flux promotion and nearly 1 Tesla of magnetic field intensity compared with the traditional single magnetic circuit. The double magnetic flux activates forceful driven capacities that enable energetic, robust bass performances and even full and delightful transient responses.
  • [Patented balanced pressure relief technology,for long-time wearing]The beryllium diaphragm coupled with the two-way magnetic circuit design allows improved bass acoustic pressure and deeper bass explosion. Plus FiiO patented balanced pressure relief technology, the pressure is able to stay in a balanced state after precise counting and adjusting.You can comfortably enjoy hi-res music for a long time with no burdens.
  • [Gold-plated retaining ring, stable vocalization unit]The FD1 earbuds is meticulously designed with a gold-plated aluminium alloy retaining ring and sound tube for each unit, beautifying the FD1 and simultaneously providing way stable cavity for the audible unit, achieving incredible sound quality. The loose and atmospheric bass, clearly transparent mids and high-resolution treble, are specially tuned with relatively balanced distributions.
  • [Higher-standard upgraded accessory,4-stranded high-purity monocrystalline copper cable]Included with the FD1 HiFi headphone is the cable made of braided Litz wires, 30 cores per strand, 4 strands in a total of 120 cores. Ensuring better audio transmission performance under the naturally-occurring yet adverse "skin" and "proximity" effects. What this means for actual listening is improved bass, hauntingly realistic vocals, as well as obviously promoted sound quality.
Rank No. #7
1MORE Quad Driver in-Ear Earphones Hi-Res High Fidelity Headphones Warm Bass, Spacious Reproduction, High Resolution, Mic in-Line Remote Smartphones/PC/Tablet - Silver/Gray
  • FOUR DRIVERS - Diamond-like carbon dynamic driver (like mini speakers) + 3 balanced armatures (like mini tweeters) deliver unsurpassed dynamic power and definition.
  • METICULOUS DESIGN - Streamlined aluminum sound chamber with perfected ergonomics ensures exceptional comfort and noise isolation.Rated Power:5 mW
  • INTELLIGENT CONTROLS WITH MICROPHONE - Conveniently located in-line controls allow you to effortlessly change volume, skip songs, and make crystal clear calls.
  • DELUXE ACCESSORIES - Luxurious Gift Box, Leather Traveling Case, 9 Ear Tip Sizes, ¼” and Airline Adaptors, Matching Shirt Clip.
  • TUNED TO PERFECTION - Expertly tuned by Grammy winning sound engineer Luca Bignardi for a fully balanced and ultra-realistic soundstage.
Rank No. #8
FiiO M6 Hi-Res Lossless MP3 Music Player with HiFi Bluetooth aptX HD/LDAC, USB Audio/DAC,DSD/Tidal/Spotify Support and WiFi/Air Play Full Touch Screen
  • Exynos 7270 (Dual-core 1GHz 14nm) with DAC ES9018Q2C for superb performance
  • USB Type C symmetrical connector2GB internal storage + micro-SD card support (2TB)
  • Dual-Mode Bluetooth 4.2 with full format support--aptX/aptX HD/LDAC/SBC
  • Wi-Fi Music Streaming AirPlay FiiO Link USB DAC USB audio out 13 hours battery life
  • FiiO-customized Android OS with support to whitelisted apps: Tidal, Spotify, Qobuz,, etc.
Rank No. #9
FiiO FH5 Best Over The Ear Headphones/Earphones Detachable Cable Design HiFi Quad Driver Hybrid (1 Dynamic + 3 Knowles BA) in-Ear Monitors for iOS and Android Computer PC Tablet
  • Consumer Alert: Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device.
Rank No. #10
FiiO F1 Dynamic Lightweight Polyester Driver In-Ear Monitor Earphones with Mic
  • Ultra-lightweight polyester driver diaphragm in a specially-tunned dynamic driver.
  • Japanese Copper-clad Aluminum Voice Coil bring forth even the subtlest of details within the music.
  • 45-degree angled design provides better seal with the ear, which blocks external noise more effectively.
  • Convenient Aluminum In-Line Controls make for a better feel.
  • Lightweight Polyurethane Cable, highly elastic and tough against scrapes.

Last update on 2021-06-16 / Affiliate links / Images from Amazon Product Advertising API

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  1. Brand Value: Every brand of Fiio F9 Pro has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Fiio F9 Pro?
  3. Specifications: How powerful they are can be measured.
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  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Fiio F9 Pro.
  7. Product Quality: You don’t always get what you pay for with an Fiio F9 Pro, sometimes less, and sometimes more.
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