Assuming this is a balanced line:
https://www.parts-express.com/22-2-Shielded-Mic-Line-Cable-100-ft.-100-246
If at all possible you should run a balanced line to minimize noise. You might also want to save some money by connecting one subwoofer to the other instead of having 2 cables run.
https://www.parts-express.com/22-2-Shielded-Mic-Line-Cable-100-ft.-100-246
If at all possible you should run a balanced line to minimize noise. You might also want to save some money by connecting one subwoofer to the other instead of having 2 cables run.