The 2 RU, four-channel D80 amplifier is a high-power density unit suited for mobile and installation use. It supports all d&b loudspeakers and offers linear mode. Each channel has up to 10s signal delay and two 16-band EQs with parametric, asymmetric, shelving, or notch filtering. A color touchscreen and rotary encoder enable easy control. The D80 features LoadMatch for cable compensation, preserving tonal balance over long cable runs. It includes Class D amplifiers with PFC, supports 100-230V mains, and has NL4, NL8, RJ45, and etherCON connectors for remote access via CAN-Bus and OCA/AES70.