Sigtronics SPA-400 Panel Mounted Intercom (Volts: 12-24)

SPA-400 Sigtronics Panel Mounted Intercom (12-24V) (Inop) (Core)

Sigtronics Aircraft Intercom SPA-400 TSO SN 6027004 -OPS Tested Good

Sigtronics SPA-400 TSO 4-Place Panel-Mounted Intercom

Sigtronics Intercom SPA-400

SPA-400 Sigtronics Panel Mounted Intercom (Minus Face Plate)

Sigtronics Aircraft Intercom SPA-400 TSO

Sigtronics SPA-400 TSO 4-Place Panel-Mounted Intercom – Used, Good Condition