Whether you are going balanced to unbalanced, unbalanced to balanced, or if you need full level control, Sescom offers professional grade line level converters that fit your needs.

SES-AUD-TRS-BAL Stereo Unbalanced Audio to Balanced Converter 3.5mm TRS To Left & Right Male XLRs
SES-LAPADAP-GL 3.5mm to 3-Pin XLR Laptop to Mic Level Adapter Interface with Ground Lift Switch & Level Control
AUD-RCA-XLR 1-Channel RCA to XLR Unbalanced to Balanced Audio Converter
SES-AUD-RCA-XLR 1-Channel RCA to XLR Unbalanced to Balanced Audio Converter
AUD-XLR-RCA 1-Channel XLR to RCA Balanced to Unbalanced Audio Converter
SES- AUD-XLR-RCA 1-Channel XLR to RCA Balanced to Unbalanced Audio Converter
SES-ON-THE-LEVEL RCA to XLR Audio Level Converter with Level Controls
SES-ON-THE-LEVEL RCA to XLR Audio Level Converter with Level Controls