Fe3 3-Drivers IEM (Custom)

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Drivers                             3BAs (SONION)  
Configuration                  1Low +1Mid+1High
Tuning                             2Way/ 1Bore/1Damper (refered SE535)
Freq Response                15Hz-22Khz
Sensitivity                        113dB/mW
Impedance                       40Ω
Isolation                           -26db
Cable                                0.78mm 2pins OCC cable(1.2M/47") 
Warranty                           2Years (IEM only)

In the Box

-Fe3 custom in ear monitor 
-0.78mm 2pins 8core silver-plated occ cable (1.2M/47")
-febos custom protective round case
-clean tool
-dustproof clean shirt

Custom Process

1. DM/E-mail us- FB: www.facebook.com/HiseniorAudio
                            Ins: www.instagram.com/hisenior
                            Twitter-JP: twitter.com/HiseniorAudio
2. Tell us your design expectation- Shell/faceplate/sound favor 
3. Place your order
4. Prepare ear impression (Physical or 3D Scan .stl)
5. Ship ear impression to us and waiting for your custom in ear monitor to arrive. 


Custom Shells and Faceplates List

    Q: My interested SHELL&FACEPLATE design not listed above, what should I do?
    R: Please message/E-mail us the pictures of the design you interested in, our team will help to judge and confirm if we can specially custom for you.

Universal-fit Fe3 In-ear Monitor Available NOW
Lead time: 3-5Days
click EXPLORE to check more



1.  Q: What drivers Fe3 Custom In-Ear Monitor powered by?
     R: 3x Sonion drivers (33aj+2323) each side for musician- vocal/keys/guitar
2. Q: Sound tuning for Fe3 custom in-ear monitor
    R: 2-way crossover, 1bores, 1knowles dampers (referred SHURE SE535)
3. Q: How to make a qualified ear impression for fe6-singa custom in ear monitor?
4.  Q: How long it will take to handcraft the CUSTOM IN-EAR MONITOR?
     R:  4-5weeks standard
         (note: it may require 1more week in a busy period, which depends on the labs' demands, you may DM/e-mail us to get the latest update for your order)
5.  Q: About 1to1 sound tuning service?
     R: we believe every musician, audiophile and hifi enthusiast has the right to get the sound based on his/her favor (powerful bass/forward clean vocal/clear instrumental treble..etc)
         it's hard to satisfy all client's sound favors from one kind of tuning, therefore, we HiseniorAudio present you 1to1 tuning service and can adjust the sound types(bass/vocal/keys/mix etc adjust) based on your personalized sound favors.
         please contact us and get the suggestion of the best matching in-ear monitor and the professional tuning.
6.  Q: Warranty
     R: 2-Years (In-ear monitor only) 
         30-days perfect-fit guarantee (for custom in-ear monitor only)
7. Q: About free shipping
    R: global free shipping via E-packet/ China Post Registered Airmail (20-25days standard)
        for DHL/FEDEX/EMS faster commercial express shipping, it may need charge extra freight, please confirm with our customer service. 
8. Where to find the HiseniorAudio local dealers or representative for audition?
    R: Email us- custom@hisenior-iem.com
9. Q: My question not listed above, what should i do?
    R: Click below icons and directly message to us: 
                                                facebook:  www.facebook.com/HiseniorAudio
                                                instagram: www.instagram.com/hisenior
                                                twitter-JP: twitter.com/HiseniorAudio
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