Hi, Ed Parker.
Welcome to the Bose Portable PA Community.
@Ed Packer posted:
Can I daisy-chain my S1 Pro from my L1 Compact to get better coverage?
For best results use a balanced cable from the S1 Pro LINE OUT to the L1 Compact Channel 2.
1/4 inch (6.3 mm) Tip-Ring-Sleeve to 1/4 inch (6.3 mm) Tip-Ring-Sleeve