Radio Design Labs FP-PA20 20w Mono Audio Amplifier - 8 Ω features , 20 Watts RMS Audio Power Amplifier, Output for 8 Ω Speaker, Integral Audio Compressor to Control Clipping, High Overall Operating Audio Level, Maximized Audio Level for Output Power, Audio Quality Superior to Standard Amplifiers, Power supply required
Radio Design Labs FP-PA20 20w Mono Audio Amplifier - 8 Ω features a balanced line level input that may be connected unbalanced. A front panel gain control is designed to be adjusted either manually or with a trimming screwdriver. The gain range will accommodate standard unbalanced levels as well as professional balanced levels. The output will drive an 8 Ω speaker or multiple speakers connected to present an 8 Ω load to the amplifier.