The IF-1 Audio Interface Adapter from Louroe Electronics is designed to connect a Louroe electret condenser microphone to a DVR, VCR, computer sound card, or any recording device with line level inputs. This interface adapter features an RCA and a 3.5mm (minijack) stereo output. This dual output functionality facilitates flexibility of connectivity, and enables you to send the audio signals from the microphones to devices with RCA or 3.5mm inputs. With variable gain adjust, you can vary the gain of the audio signal as per your requirements and prevent overdriving.