TOA M-900MK2 HH is a mixer preamplifier that allows for controlling and mixing up to eight independent input signals. It delivers up to +20 dBm of output power and has optional plug-in modules for versatility in various applications. With a frequency response of 20 Hz to 20 kHz and a total harmonic distortion (THD) of 0.01% at 1 kHz, it ensures high-quality audio reproduction. The device features eight input ports, each accepting input modules, and one bridging input/output. It has balanced main outputs and unbalanced AUX outputs.