Yes, for the classic PodMic, this arm is suitable: the PSA1 supports microphones between 700g and 1.1kg. However, if your microphone actually weighs 1kg with its mount, you are in the compatible range but close to the upper limit, so it should hold it without any problems if everything is well balanced. The PodMic is, in fact, listed as a product compatible with the PSA1. If you were referring to the PSA1+, it accepts up to 1.2kg, so it offers a slightly more comfortable margin for this weight.