6355-0006-02 is a powered amplifier board from Encitech. It is designed for voice applications, and features two channels of 3W power output, a 30 dB gain control curve, and two independent mixer boards for output signals and audio inputs. The amplifier board has a frequency response of 20 Hz - 20 kHz, and a voltage gain of up to 30 dB, making it suitable for a variety of applications including paging, intercom, and microphone systems. It also features a LED power and fault indicator, as well as a short-circuit protection circuit.