Sigtronics Intercom SPA-400

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

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

Sigtronics Intercom (C-50b) SPA-400

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

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

SPA-400 Sigtronics Panel Mounted Intercom Assembly (V: 12 or 24)

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