ISN Audio EST50
ISN Audio EST50 Flagship 2 EST + 2 BA+ 1 Dynamic Driver Hybrid 2Pin 0.78mm HiFi Audiophile IEMS
2 Sonion Electrostatic driver for ultra-high frequency
1BA Knowles for high frequency
1BA Sonion for middle frequency
10mm dynamic for bass
Rated input power: 2mW
Max input power: 3mW
Frequency response: 15Hz-70kHz
Connector: 2Pin 0.78mm
Plug: 3.5mm audio , 2.5mm balanced , 4.4mm balanced
Cable length: 1.2M
ISN EST50 earphone
18 months warranty
All listed items will be shipped through Registered Airmail with tracking number if there is no extra shipping option or shipping description at the product page.
Economy shipping: Will be shipped without tracking number.(because of the covid-19 affects, economy airmail parcel is easy to lose, pls place the order by choosing registered airmail, or you purchase one more product , we can send together via registered airmail)
Registered Airmail : Will be shipped via such as Hong Kong post , Singapore Post, you can leave us a message if you have any requirements about the shipping method .
We can ship the parcel to Canada and Europe countries via tax-inclusive shipping method with extra charge, pls leave us a message if needed.
Express service: Will be shipped via DHL/EMS/UPS/FedEx,Canada and Europe countries will be shipped via tax-inclusive shipping method for free.