15x11 ‘Sugar cube’ speaker, for DCC sound use. They are 8 ohms to work with TTS, Loksound 4, 5 and Zimo decoders.
15x11 Sugar Cube Speaker For DCC Sound Decoder 8 Ohm Suits Roco Taurus, Vectron
8x 15x11 Sugar Cube Speaker For DCC Sound Decoder 8 Ohm 1 Watt Tsunami Econami
15x11 ESU Sugar Cube Speaker Kit For DCC Sound Decoder 8 Ohm 1 Watt, Zimo, TTS
ESU LokSound Micro V5.0 Blank Next18 With Sugar Cube Speaker 11mm x 15mm