Dual OP Amp Preamp DC Amplification Empty Board for NE5532/OPA2134/OPA2604/AD826
OPA2134, OPA2604, AD826, OPA2111, etc., then ± 5 ~ ± 18 to work. Board leaving two mounting holes. Board leaving two mounting holes for easy installation. 1PC Dual op amp DC Pre-amp amplifier empty board.