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Dual NE5532 Preamplifier Board AC5-16V DC6-24V Single Power Supply Amplifier Module Microphone Preamps Audio OP AMP Board$$Music
Working voltage: AC5-16V or DC6-24V The pre-amplifier is designed with two op amps and one op amp is used for one channel and the effect is much better than that of a single op amp and two channels. Built-in single power supply to dual power supply...
$19.98 Free Delivery