Translated Description from PIKO: New item 2020 - Replacement loudspeaker, square with frame, 15 x 25 x 6.4 mm (4Ohm / 0.5W) valid for: diesel locomotive Rh 2200 NS steam locomotive BR 55 / G7.1 diesel locomotive G 1206 multiple unit Z2 diesel locomotive Rh 2200 NS Expert plus diesel locomotive BR 101 Exclusive "Wilde 13"