The team uses these Digital Audio Recorder devices for their EVP sessions. Electronic voice phenomena, EVP, are electronically generated noises that resemble speech, but are not the result of intentional voice recordings or renderings. The devices record at 24 bit/ 96 kHz linear PCM recording with extra-high-quality digital recording. Built-in high-sensitivity and low-noise stereo microphones capture every detail and nuance. The microphone amplifier circuitry is carefully designed to reduce interference for ultimate sound clarity.