This is an FX-AUDIO FX-2020A+ CUSTOM digital amplifier. Original box, power supply, op-amps, and tweezers for op-amps are included. The op-amp details are as follows: Installed: OPA1612, NE5532. Included: OPA627AU...1 piece, LM4562...1 piece, MUSES02...1 piece, OPA2604AP...1 piece, NE5532P...2 pieces. There are signs of use since it is a used item. I promise fast shipping via FedEx or DHL as soon as possible! Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges.
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