Topping A30 Pro NFCA Headphone Amplifier OPA1656 4PIN XLR 4.4MM 6.35MM Output Balanced Input Amplifier (Silver)

The THD+N of A30Pro is no higher than 0.00006%，which means the A30Pro accurately restores 99.99994% of the original sound.
A30Pro uses the new specifically redesigned NFCA based circuit is optimized for terrific single ended per formance. Massive paralleled high performance audio opamp architecture along with UHGF technology provides excellent DC and AC performance.
Incredible output power： The new specifically redesigned NFCA based circuit is optimized for terrific single ended performance
A30Pro provides 3 step gain settings, which can easily adapt to the huge sensitivity span from IEMs to high im pedance and full size over-ears. Just connect the earphones and leave the rest to the A30Pro.
The A30Pro already provides you all in a compact body, including 4-PIN-XLR，4 .4mm, 6.35mm.