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FiiO FA19 10BA In-Ear Monitors

Overview

The FiiO FA19 is FiiO's flagship all-balanced-armature in-ear monitor, with ten Knowles BA drivers in each ear. It's built for listeners who want detailed, coherent, reference-like sound, and a switch on the back of each earpiece lets you choose between a clean Monitor tuning and a fuller HiFi tuning.

Each earpiece uses four custom Knowles bass drivers developed with FiiO, two Knowles ED mid drivers, and four Knowles SWFK treble drivers, split by a physical and electronic three-way crossover with 0.1%-tolerance Rubycon capacitors. A mid-frequency notch filter smooths the mids and reduces sibilance, FiiO's patented S.Turbo design keeps the bass-to-mid transition clean, and a negative feedback bass system in the DLP 3D-printed shell deepens the bass while venting the front cavity for comfort.

Each earpiece weighs about 7g. The included 8-strand, 224-wire pure silver Litz cable uses expanded MMCX connectors and twist-lock swappable 3.5mm and 4.4mm plugs. It comes with an HB5 case and a wide range of ear tips, including SpinFit and HS18 sets, and it's Hi-Res Audio certified by JAS and CEA.

Simcoe Audio Video Insight

The FA19 rewards a little setup time. Start in Monitor mode for the most neutral, detailed sound, then flip to HiFi mode when you want more bass weight and fuller mids. With ten BA drivers per side, ear tip fit makes a real difference, so work through the included tip sets until you get a solid seal. At 10 ohms and 106dB/mW it's easy to drive, so a quiet source matters more than raw power.

More Info

Why the FiiO FA19 Stands Out

10 Knowles BA Drivers per Ear

4 custom bass, 2 ED mid, and 4 SWFK treble drivers.

Monitor/HiFi Switch

Flip between a clean monitor tuning and a fuller HiFi tuning.

Three-Way Crossover

Rubycon capacitors with 0.1% tolerance.

Deep, Controlled Bass

Negative feedback bass system and S.Turbo acoustic design.

Pure Silver Cable

8-strand, 224-wire Litz cable with 3.5mm and 4.4mm plugs.

Light 3D-Printed Shells

DLP printed to 0.0375mm precision; about 7g each.

Buyer's Guide

Who It's For

  • The Detail-Focused Listener: Wants resolution and separation from an all-BA design.
  • The Audio Producer: Wants a monitor tuning for checking mixes on the go.
  • The Balanced-Source Owner: Wants a 4.4mm-ready IEM for a DAP or dongle DAC.

How It Compares

Compared with FiiO's FH9, which pairs a 13.6mm dynamic driver with six BAs, the FA19 uses ten balanced armatures and no dynamic driver, plus a Monitor/HiFi switch and a pure silver cable.

FiiO FA19 10BA In-Ear Monitors Specifications

General Information
ModelFiiO FA19
BrandFiiO
Product TypeWired in-ear monitor, 10 balanced armatures per ear
Wearing StyleIn-ear, over-ear cable routing
Audio
Drivers4 x custom Knowles bass BA, 2 x Knowles ED mid BA, 4 x Knowles SWFK treble BA
CrossoverPhysical + electronic three-way; Rubycon capacitors (0.1% tolerance)
Tuning SwitchMonitor / HiFi
Acoustic DesignMid-frequency notch filter; S.Turbo; negative feedback bass system
Frequency ResponseUp to 40kHz
Impedance10 ohm @ 1kHz
Sensitivity106dB/mW @ 1kHz
CertificationHi-Res Audio (JAS, CEA)
Cable
Cable8 strands, 224 high-purity pure silver wires, Litz braid
ConnectorExpanded MMCX
PlugsTwist-lock swappable 3.5mm and 4.4mm (4.4mm pre-installed)
LengthAbout 1.2m
Physical Specifications
ShellDLP 3D-printed resin (0.0375mm precision)
WeightAbout 7g per earpiece (excluding cable)
In the BoxHB5 case, silver cable, 3.5/4.4mm plugs, foam, bass, balanced, dual-flange, vocal, SpinFit, and HS18 ear tips, magnetic cord clip, cleaning brush, MMCX tool
Colours AvailableTranslucent Black

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FiiO FA19 10BA In-Ear Monitors FAQs

How many drivers does the FiiO FA19 have?

Ten balanced armatures per ear: four custom Knowles bass, two Knowles ED mid, and four Knowles SWFK treble drivers.

What does the Monitor/HiFi switch do?

Monitor mode gives a clean, detailed sound for audio production. HiFi mode adds energy to the mids and bass for more impact.

What plugs does the cable use?

Twist-lock swappable 3.5mm and 4.4mm plugs, on an 8-strand pure silver cable with expanded MMCX connectors.

What's in the box?

An HB5 case, the silver cable with both plugs, foam, bass, balanced, dual-flange, vocal, SpinFit, and HS18 ear tips, a magnetic cord clip, a cleaning brush, and an MMCX tool.

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