GODIYMODULES Dual NE5532 Preamplifier Board is a high-quality audio module designed for professional microphone and audio applications. It features dual operational amplifiers, each dedicated to one channel, providing superior clarity and low noise performance. The board supports AC5-16V or DC6-24V, making it versatile for various power sources. Built with large-capacity filter capacitors and rectifier circuits, it ensures stable operation with both AC and DC inputs. The PCB measures 50mm x 50mm, with an overall height of about 23mm, suitable for compact audio setups. R1 and R5 resistors allow adjustable gain, with resistance options from 5k to 100k, enabling customization for different audio levels. Delivered factory-sealed from the USA, it arrives in about 11-13 days, with all duties included, ready for immediate integration into your audio system.