Rose Technics QT9-MK3 Wired Headphones Hybrid In-ear Earphone HIFI Headphones IEM Earbuds

Description:

[New Appearance:]
QT9 uses 7000-series aerospace aluminum alloy panels polished by 5-axis CNC cutting and high-precision 3D-printed medical resins to form a brand-new look for the headphones.
[New Frame:]
Using the third generation of moving coil moving iron frame, acoustic structure to solve the harmonic distortion between the unit distortion problems, phase difference and other technical difficulties.
[Natural sound:]
Has 10mm Tesla moving coil, and moving iron tone can be well articulated, ending the articulation problem.
[Professional wire:]
5N monocrystalline copper OCC wire coaxial shielding structure wire used in the black rose statistical number of upgraded wire, very durable.
 

Product parameters:

Resist:18Ω

Frequency response range:20-20000HZ

Sensitivity:104DB             

Connection line length:120±5cm

Interface specification:international 3.5mm    

Product weight:30±5g

Pin type:mmcx               

headset unit:Moving-coil+moving-iron

Unit diaphragm:HD nano-materials           

Wire material:OCC single crystal copper

All specification and parameters are laboratory test data.

We have two shipping methods - Express Shipping and Priority Shipping.

Option 1. Express Shipping by DHL/UPS/Fedex/Aramax/SF etc
( there may be tax need to pay in this way)
If your order is over 500USD, Express Shipping is free.*
The estimated time of delivery is usually 3-6 working days depending on the country.

Option 2. Priority Shipping ( All tax and Duty Paid by Earphonecart)
If your order is over 100USD, Standard Shipping is free.*
It takes about 1-2 weeks(average 10 days) for items to be delivered after shipping out.

Learn more shipping,Please click on HERE.
Learn more order tracking,Please click on HERE.

Warranty Policy
Earphonecart warrants to the original purchaser that the Product(s) shall be free of any defect in material or workmanship for a period of one year for labor and one year for parts from the date of the original order:
● IEMs and Headphones: 1 years warranty
● Cables and Adapters: 3 months warranty
Learn more warranty policy,Please click on HERE.

Refund Policy
Your trust in Earphonecart is our utmost priority.
ALL products on Earphonecart are eligible for a free Replacement within 7 days of delivery in the unlikely scenario you receive a product with a manufacturing defect.
● 7-Day DOA Product Guarantee
● 30-Days No Condition Returns
Learn more Refund Policy,Please click on HERE.