Lot · Answering Machines
Radio Shack Duofone Electronic Telephone Amplifier System
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Tue · May 26, 2026
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ZIP 701**
brmorr_4764
6 ratings · 80.00% positive
Description
From the sellerVintage Radio Shack DUOFONE-101 Deluxe Telephone Amplifier (Cat. No. 43-277). Designed to amplify incoming call volume for easier listening, this unit is a classic piece of retro home/office electronics from the Radio Shack era. Never used.
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