Brand new and high qualityMA-1 is a professional microphone preamplifier that operates on 48V phantom power, but does not pass phantom power to the microphone.This makes it perfect 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 to use.Gain: 25dBFrequency response: 20Hz-20kHz1dBInput impedance: 150ohmNoise: Less than 3mvtype:Without CableColour:blackMaterial:plasticPackage Contents:1 x Mic ActivatorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.