FiiO FA7 Quad Driver Balanced Armature In-Ear Monitors

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  • DLP 3D printed with skin-friendly resin shell imported from Germany
  • Quad Knowles Balanced Armature drivers
  • 4-way crossover system
  • Availible in Blue/Red or Smokey Black
  • Detachable high-purity monocrystalline copper-plated silver wire

In the Box

In the Box

  • 1 pair FiiO FA7 IEMs
  • 1 x 3.5mm MMCX stereo cable
  • 3 sets of “balanced” silicone tips
  • 1 set of “bi-flange” silicone tips
  • 3 sets of “vocal enhanced” silicone tips
  • 3 sets of “bass enhanced” silicone tips
  • 3 set of foam tips
  • 1 x cleaning tool
  • 1 x magnetic cable tidy
  • 1 x velcro cable tidy
  • 1 x rigid Pelican type case
  • 1 x soft neoprene carry case
  • Instruction manual & warranty card

Clearance products


The FA7 is the first mass-produced, 3D printed quad balanced armature in-ear monitor, which results in remarkably consistent sound between pairs of FA7’s, as well as reduced sonic resonances that allow the music to flow through unimpeded.

The shell of the FA7 is made with German high-transparency resin, specifically medically designed for ears and with EU IIA medical certification, which is both comfortable and antimicrobial while also being extremely durable and resistant to discolouration.

Unlike traditional manufacturing processes with its inherent constraints, 3D printing allows us to fully realize our goals of creating an IEM that is both pleasant to wear and maximizes sound quality through an acoustic-optimized shell design.



In each FA7 ear unit are 4 Knowles BA drivers. Bass is handled with aplomb by the CI-22955, mids are provided by the classic and proven ED-29689, and treble is produced by the dual-BA SWFK-31736 driver.

MMCX connector

The standard FA7 cable is made of high-purity monocrystalline copper-plated silver wire and is also detachable and replaceable with an MMCX design.


  • Driver: 4BA
  • Speaker impedance: 23 Ω
  • Frequency response range: 20 Hz-40k Hz
  • Sensitivity: 110dB/mW
  • Type of plug: 3.5mm gold-plated plug, MMCX detachable cable
  • Cable length: 120cm
  • Single weight: 5.3g