Sennheiser - GA2-XSW 2 XSW Front Antenna Cables. Sennheiser - GA2-XSW 2 XSW Front Antenna Cables For The Sennheiser GA 1-XSW 2 19" Rackmount System. The Sennheiser GA2-XSW 2 accessory kit enables you to attach the antenna connections to the front of a rack instead of at the rear.
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