ASSEMBELED CLASSIC HD-8-A1-PRO CLASS A HEADPHONE AMP BOARD W EN FRANCE

This is assembled and tested headphone amp board. PCB Size: 178X127X1.6MM Works Voltage:  recommend Dual AC15V   above 0.8A *1/4W 1% precision metal film resistors *BC high-end filter capacitances, *AUDIOPHILE MKP 4U7 400V 3% precision tinfoil capacitance *Origilal ST MC33078N opamp *Philips BD139、BD140 transistors(The same batch number) *Omron G2R - 2 12V Relay 700MV Protection circuit,7 seconds delay connect function. can drive 32-600ohm headset. very suitable for AKG K501、K601、K701 etc Shipping time:  The item located in Germany. will be shipped within 1 working day after full payment is received. Usually 2-3 working days can reach most Germany place,4-7 working days can reach most of Europe countries. No Combine postage available~~~even if you buy seveal items in one time,because of the post charges postage based upon weight of the package, not quantity~~ Am 02.01.20 hat der Verkäufer die folgenden Angaben hinzugefügt: