Lyndahl USB-B 2.0 Extension for Front Panel Mounting (BM/BF), Various Lengths
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Keystone is modular: HDMI, network, USB, jack, RCA or binding posts can be combined freely in one frame and changed later. A permanently assembled plate is the cleanest solution when the layout is final. For conference rooms and trade-fair stands we tend to recommend keystone.
Read more: Connection panels for the meeting room, trade fairs and digital signage →
Practically all common ones: HDMI, network (Cat 5e/6a), USB 2.0 to 3.1 including USB-C, jack, RCA, DisplayPort, DVI, VGA, Sub-D and speaker terminals — each as a panel adapter, adapter cable or keystone module.
Read more: Connection panels for the meeting room, trade fairs and digital signage →
For new runs use 1 to 2.5 mm²; the amplifier-to-speaker run should not much exceed 10 m. Extending by twisting or with a terminal block is fine — just get the polarity right. Bare strands fray: ferrules for clamp terminals, banana plugs or spades for binding posts.
Read more: Planning in-ceiling speakers: cut-out, mounting depth and the sound of the cavity →
