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The Power Supply for TCI 01 by Sennheiser provides power for Sennheiser's TCI 01 Telephone Interface Box which electronically takes your phone on and off the hook. The box is designed to be used with BW or DW series wireless headset systems and a phone featuring an electronic hook switch. The TC1 01 is an alternative to the manual HSL 10 handset lifter.
Provides power for the Sennheiser TCI 01 Telephone Interface Box