Audio Video

HDMI splitter vs switch explained for installers: which way each one routes the signal, when a matrix fits, how EDID and HDCP handshakes cause…

Show security cameras on a TV four ways: recorder HDMI to one screen, splitters and extenders, an HDMI modulator channel on every TV over…

A speaker selector switches rooms at the rack; a wall volume control sets the level in one room. See what selector protection costs, how…

Passive soundbars need a receiver or amplifier channel and speaker wire; powered soundbars bring their own amplifiers and inputs. Compare impedance, power handling, wiring…

Reset a projector lamp timer the right way: only after fitting a new lamp, from the menu or a button sequence, with a service…

Choose between a wall mount and a floor standing rack by equipment weight and depth, what the wall can carry, rear access through a…

What an optical TOSLINK link can and cannot carry, what HDMI ARC and eARC add, how lip sync behaves on each, and the jobs…

Fasten a ceiling TV mount into joists or blocking, handle drop ceilings and concrete, read a UL 2442 rating, work out pole length and…

Where to mount patio and yard speakers, how to aim them at the seats and away from neighbors, landscape layouts, weather-rated speakers and cable,…

How class AB and class D output stages work, a worked example of the heat each puts into a rack, what that means for…

Home runs from every room to one rack, volume controls and keypads at the room, when 4-conductor is worth it, Cat6 for control, and…

Below or above the TV, how close to the screen, wall bracket or console, and how to keep the remote sensor clear and get…