A large number of microphones mounted on a surface form a microphone array. All microphone outputs are processed simultaneously, increasing sensitivity and impressively reducing unwanted signals from outside. The PKI 2890 Array Directional Microphone with Recorder is disguised in a laptop computer case. The transmission is sent via a WiFi connection to a recorder contained in a netbook, smartphone or tablet, which also allows live monitoring and remote control of the processing via a wireless connector. The operator does not need to be nearby, but can stand at a distance. The PKI 2890 Array Directional Microphone with Recorder combines light weight and minimal size with low power consumption. PKI 2890 provides on-line electronic control of the angular alignment of the beams, enabling accurate aiming and adjustment of the input/output amplifiers and unit frequency response to the aiming function.