Fearless Audio S4
Fearless Audio S4 4BA 2Pin 0.78mm Detachable HiFi Audiophile In-ear Earphone IEMs
Transparent series：K1- K12 (K9，K6，K9+B7，K11, K12 is ready to ship .)
Custom Faceplate :
Type A: A1-B7 is USD25
Type B: C6 is USD30
Type C: C1-E5 is USD35
Type D: F1-F7 is USD50
Custom Fit : USD60 (Accept physical ear impressions or digital ear impressions files)
Custom orders will be shipped out within 1-2 weeks.
S4 is very gratifying in the performance of popular songs. Whether it is low frequency, vocal, and resolution, it is quite satisfactory. The transparent sound quality makes the user have a good experience of the favorite music.
Feature: 4 drivers 3-way crossover 2 tubes
Driver:5 balanced armature driver(A Sonion compound low frequency, an independent Knowles intermediate frequency, an independent Knowles high frequency)
Passive noise reduction：26DB
This product qualifies for free aimail shipping to worldwide with tracking number.
It will be shipped via Hong Kong Post by defaut , Europe countries can choose to be shipped via Deutsche Post or Netherlands Post, it is also FREE , pls leave us a message if needed .