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MOFASEST TRIO 2 Electrostatic+ 2BA + 1 Dynamic Driver Hybrid 2Pin 0.78mm HiFi Audiophile IEMs


Adopting Sonion 2019 the newest EST electrostatic ultra-high frequency driver, its ultra-high frequency extensibility can reach 80k, which greatly improves the extensibility of the sound, bringing users a delicate, smooth, crystal-like sound. It does not require much power, and the general front end can easily drive.

Sound trend
Three-frequency balanced, large lateral sound field, and a certain feeling of immersive. A 10mm biofilm dynamic is used at low frequency, which has good transient dynamics, concentrated power, and sufficient diving. The mid-high frequency uses 2 Sonion hole-type drivers to bring out outstanding vocal performance. Its vocal is warm, delicate, rich in emotion, and non-irritating. With 2 electrostatic ultra-high frequency drivers, the vocal without sibilance, and the harmonics of the instrument are delicate and full of gloss.
Different from the ordinary balanced armature unit, the delicate and smooth gradual feeling brought by static electricity is far beyond that of ordinary balanced armature and dynamic driver.


Driver unit: 2 Sonion ESE electrostatic, 2 balanced armature, 1 dynamic

Cross-over technology: 2 ultra-high, 2 mid-high, 1 low, 3-way crossover, 3 tubes

Sensitivity: 112dB

Impedance: 38ohm

Plug: 3.5mm L-shaped plug

Cable length: 1.2m




Will be shipped via DHL , TNT or EMS  express service , If you have any question about the shipping ways , please feel free to contact us .

Pls leave us your telephone number when you pay .so we can ship out your item in the first time .

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Due to the impact of the COVID-19 pandemic, global international shipping will delays. The delay at our Hong Kong post office is very serious, so we have changed to other fastest or most efficient international shipping. Now the normal estimated delivery time may be delayed by about 1-2 weeks. In some countries where is higher free-tax rate, we will provide free courier service as much as possible.

Free Shipping

All listed items will be shipped though Registered Airmail with tracking number if there is no extra shipping method option listed or shipping description in the product page.

Economy shipping: Will be shipped without tracking number.

Registered Airmail : Will be shipped via such as Hong Kong post , Deutsche Post , Netherlands Post , Singapore Post, you can leave us a message if you have any requirement about the shipping method .

It will be shipped via Hong Kong Post by default, Europe countries can choose to be shipped via Deutsche Post or Netherlands Post, it is also FREE, pls leave us a message if needed.

Express service: Will be shipped via DHL/EMS/UPS/FedEx

  • Views: 17447
  • Brand: MOFASEST
  • Product Code: TRIO
  • Availability: In Stock
  • $499.00

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Tags: MOFASEST TRIO, 2est, 2BA, 1dd, 5drivers, Hybrid, 2Pin