MA-1 is a professional microphone preamplifier that operates on 48V phantom power, but does not pass phantom power to the microphone. This makes it ideal for ribbon and dynamic microphones alike. It made by cold-rolled plate, firm and durable. The four foam pads which raise the resist falling capability of microphone in a way. Its black looking makes it classic and graceful. All in all, MA-1 is a better choice for you to use.