DSP408 Outdoor Waterproof Column SpeakerNovember 15, 2016Description:DSP408 is an outdoor waterproof column speaker built-in 70v/100v transformer. The 70v/100v transformer technique reduces line losses on longer distance and allows easy parallel connection ...view
DSP458 Outdoor Waterproof Column SpeakerMarch 14, 2017This series of speakers are weatherproof outdoor column speakers with a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer dis...view
DSP405 Outdoor Waterproof Column SpeakerNovember 30, 2016The DSP405 is a weatherproof outdoor column speaker with a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmi...view
Exhibition || China (Xiamen) Educational Equipment ExhibitionApril 12, 2021Abstract: Invitation to the 79th China Educational Equipment Exhibition! Looking forward to meeting you in Xiamen.China Educational Equipment Exhibition is the largest, most influential, and most prof...view
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