The GTO1201.1 II features a high-frequency Class D switching power supply. This topology is more efficient that traditional Class AB designs, drawing far less current from your vehicle charging system.The GTO1201.1 II features a 12dB per octave electronic crossover, allowing you to optimize bass performance based on cabin size, as well as subwoofer location and enclosure type.RCA low-level inputs.Full-range preamp outputs facilitate use of multiple amplifiers without …