[elecena] DS-55345 4x2 HDMI matrix switch, MultiView, 4K 30 Hz

[elecena] DS-55345 4x2 HDMI matrix switch, MultiView, 4K 30 Hz - zmiany ceny 4x2 HDMI matrix/Multiview, 4K/30 Hz SPDIF, stereo, RS232 Technical details: