Audio Video

An RF modulator reuses existing coax to reach every TV in HD; HDBaseT and HDMI over IP need category cable but carry 4K with…

One rack unit is 1.75 inches of mounting height. How the three-hole pattern works, what the 19 inch width covers, why depth is separate,…

Projector lamp life is a rating, not a promise. What the hour figure means, eco vs normal mode, a worked service-date example, heat and…

Keep the network, control and recorder running through outages. Which gear belongs on battery, VA vs watts, a worked sizing example, standby vs line-interactive…

ARC and eARC both send TV sound back to a soundbar or receiver, but they carry very different audio. Where each came from, what…

Brick holds a TV well when the anchors suit the wall. Solid, cored and veneer brick, the brick or mortar question, anchor types, full…

Bridge a two-channel amplifier without tripping protection: check that the amp supports bridge mode, respect the bridged minimum load, wire the terminals the manual…

Pick the right speaker wire gauge for every run: sourced copper resistance per AWG, a worked run-length calculation for 8 and 4 ohm speakers,…

An RF modulator turns a video source into a TV channel on coax so every screen can tune it. Compare analog and HD units,…

Several rooms of speakers on one amplifier? Learn how impedance matching volume controls protect the amp, how to set the 1X to 8X multiplier,…

One bar under the TV or a receiver with speakers around the room? Compare active soundbars, passive soundbars and AV receiver systems by wiring,…

Size, depth, rack type, weight and airflow: a step-by-step guide for installers choosing between swing gate, rotating, stackable and full-height AV racks for residential…