BOSE A20 HEADSET CABLE ASSEMBLY/No Bluetooth, battery powered, electret microphone, coil cord, twin plug 327070-X020

The ergonomic control module and cable assembly fits comfortably in the hand and puts all controls within easy reach. Each module includes an auxiliary audio input with intercom/AUX priority switching, ideal for dedicated GPS and traffic warning systems. The Independent, recessed L/R volume controls with midrange detent and visual volume-level indicator allows for left and right channel volume level adjustment. See owner's manual in the documentation section for installation instructions.

Version (Alternate Part# 327070X020) is a standard control module with a twin plug, coil cord, and high impedance electret microphone. Operates with battery power.