TOPPING A30Pro Headphone Amplifier 4 pin XLR/4.4mm/6.35mm Output Balanced Input A30 PRO Hi-Res Amplifier

Product Warranty
All items Guaranteed 100% Brand New In the original edition Box and Come from the original factory.
All items ONE-YEAR WARRANTY !!!
All items ONE-YEAR WARRANTY !!!
Shipping Time & Invoice Declare
All items ship with DHL/UPS/TNT/EMS, (DHL/UPS/TNT) About 3-7days delivery time, EMS About 7-15days delivery time.
We can Declare the Value of the Order as Customer's Remark!!!
We can Declare the Value of the Order as Customer's Remark!!!
Product Declaration
TOPPING A30Pro NFCA Headphone Amplifier 4PIN XLR+4.4mm+6.35mm output SE+BAL pass through RCA Balanced input 250Ω Class A Amp
Feature:
Satisfactory mid-rangeheadphone amp,top spec,better sound, and morerefined built.
The THD+N of A30Pro is no higher than 0.00006%,whichmeans the A30Pro accurately restores 99.99994% of theoriginal sound, what you get is what you input.
Because noise of A30Pro is low enough, so APX555B limitsthe noise measurement of it, resulting in the need to amplifythe noise of A30Pro by 100 times for indirect measurement.
Incredible output powerThe new specifically redesigned NFCAbased circuit is optimized for terrificsingle ended performance.
A30Pro is designed with ample quies-cent current. when the headphone im-pedance is greater than 250 ohms, itwill fully work in Class A operation.






















