Overall, this is an IEM that can compete with the Yamaha EPH100 in sound presentation if only played straight out of a portable dap. Given its Lilliputian dimensions and at US $29.00 a pair, I’m sure Manny Pacquiao would be envious of this featherweight getting into the ring with a Mike Tyson.
Tracks used to audition the Fidue A31s:
• Johann Pachelbel: Pachelbel’s Canon
• Ludwig van Beethoven: Symphony 9 // Ode to Joy (finale)
• Hall & Oates: Possession Obsession
• Randy Houser: Power of a Song
• Poets of the Fall: Psychosis
• Linkin Park: Robot Boy
• Brooke Fraser: Sailboat
• Jennifer Warnes: Prairie Melancholy
• Queen: Princes of the Universe
• Natalie Merchant: River
• Valentina Lisitsa: Man With a Movie Camera in Odessa Beach
• Peter Cetera: One Clear Voice
Technical Specifications
Driver Unit: 8mm Dynamitic Drive
Frequency response: 18 Hz – 20000 Hz
Rated impedance: 19Ω+-10%
Sensitivity: 101+-3db
Distortion: ≤3%
Rated Power: 10mW
Plug: 3.5mm mini stereo gold-plated plug
Cable: 1.20m
Microphone:
Sensitivity: -42+-3dB
S/N Ratio: >55dB
Package Includes
FIDUE A31 In-Ear Sound Isolating Headsets
Double flange silicone eartips (S/M/L/XL)
Carrying case
Links: http://www.fidue.com/e_products_show/?id=20&big_id=8
Price: $29.99