I am very sorry to hear that you are having some drop outs from your Bass Module.
It is possible to connect the Module to your Control Console. This part can be purchased directly from Bose, please reach out to your local Bose technical support team and an agent can get a cable sent out to you. You can reach out to your local support team by clicking this link and selecting your region. This will redirect you to our website. Please scroll to the bottom of the website and there you will find a 'Contact Us' tab, this will provide you with all the relevant contact information for your country.