Fischer Amps FA 666 Custom Pro

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Fischer Amps FA 666 Custom Pro

Fischer Amps

FA 666 Custom Pro

4.8 Expert Rating

Product Info

Article Number: 595157
Model: FA 666 Custom Pro
Price: $1,186.90

* Prices may vary. Check retailer for current pricing and availability.

These Fischer Amps are seriously impressive IEMs—the three-way driver design really delivers a defined, spatial soundstage that's a step above most stage monitors. They’re built to last, with that German precision, and the cable is a real workhorse. If you're a touring musician or a studio engineer demanding high-fidelity, reliable in-ear monitoring, these are a strong contender.

Product Description

  • Fischer Amps FA 666 Custom Pro
  • In-Ear Earphones
  • 3-Way: 2x bass
  • 2x mid
  • 2x high
  • Dynamic
  • Defined spatial sound signature
  • Defined and natural bass reproduction
  • Universal fit and ergonomic housing shape
  • Impedance @ 100Hz: 25 Ohm Impedance
  • Impedance @ 1kHz: 28 Ohm
  • Impedance @ 10kHz: 21 Ohm
  • Sensitivity @ 0.1V: at 100 Hz 117 dB
  • at 1kHz 116 dB
  • at 10kHz 116 dB
  • Kink-resistant connection cable with 800 N tensile load
  • Suitable as professional in-ear headphones for stage and studio in the pro audio sector
  • Detachable 140 cm cable with angled gold mini jack plug
  • Includes transport bag with zip
  • 4 pairs of silicone tips in sizes S
  • L and double-lamellar
  • 3 pairs of foam tips in sizes S
  • M and L and cleaning tool
  • Colour: Transparent with selectable faceplate
  • Made in Germany
PROS
  • • Exceptional driver configuration provides remarkable clarity and detail.
  • • German engineering ensures robust build quality and longevity.
  • • The kink-resistant cable with high tensile strength is a pro-grade touch.
  • • Customizable faceplates allow for personalization and stage presence.
CONS
  • • The high sensitivity may require careful volume management to avoid distortion.
  • • The premium-priced nature limits accessibility for budget-conscious users.
  • • The 'universal' fit might still require experimentation with tips for optimal comfort.

Product Video

Key Features

Drivers 2x bass, 2x mid, 2x high
Driver Type Dynamic
Frequency Range Not specified, typical for custom IEMs: 20Hz - 20kHz (estimated)
Impedance 25 Ohm @ 100Hz, 28 Ohm @ 1kHz, 21 Ohm @ 10kHz
Cable Detachable, 140 cm with angled gold mini jack plug, 800 N tensile load
Weight Approximately 18-22 grams (estimated, typical for multi-driver IEMs)

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Frequently Asked Questions

Fischer Amps often focuses on a more natural, less sculpted sound signature compared to some competitors; they prioritize accurate sound reproduction over a heavily processed listening experience.
Absolutely. The dual driver setup in each ear creates a wider, more immersive soundstage, offering better instrument separation and a more realistic listening experience.
Experimenting with the included tips is key; a proper seal is vital for optimal sound and isolation, and you may need to consider aftermarket tips for a truly personalized fit.

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