Make room below
the picture.

Use width, height and depth together.

Read the dimension labels in the manufacturer’s drawing. A sequence of three numbers may use a different order from another website. Record width from left to right, height from bottom to top, and depth from front to back. Confirm whether the drawing includes feet, spacers, brackets or projecting parts.

Use packed dimensions only when checking delivery or storage in the box. The soundbar chart lists main-unit dimensions and preserves the relevant measurement notes.

Measure the surface the bar can actually use.

Record the clear width and front-to-back depth of the cabinet. A TV pedestal or legs can occupy part of that area. If the bar will sit between the legs, measure that gap where the soundbar will be, not at the widest point of the stand.

Check the cable connection positions on the bar. A plug or a bend in a cable can extend beyond the body depth. A shelf lip, raised edge or door can also reduce usable space. Keep those allowances separate from the body measurements so they are not accidentally counted twice.

For a simple dimensional example, a 30-inch-wide bar centered on a 36-inch usable surface leaves 6 inches in total, or 3 inches on each side. That arithmetic says nothing about the clearance required by a particular model.

Measure from the cabinet to the TV body.

Place the tape vertically on the supporting surface and measure to the lowest part of the TV body above the intended soundbar position. Do not measure only to the active picture. Check whether the bar will cover a remote-control sensor or obstruct a control.

Sony documents cases where a soundbar blocks a TV’s infrared sensor. Remedies depend on the equipment, so confirm the instructions for your TV and soundbar rather than assuming a remote will still work. Sony: soundbar blocking the TV’s IR sensor ↗

If your measured gap is 4 inches and the soundbar is 2.5 inches high, the remaining vertical space is 1.5 inches. That is a hypothetical physical check. Compare the remaining space with the installation guidance for the actual model.

A clear rectangle is not the whole installation.

Different soundbars have different placement requirements. A model’s speakers, microphones or controls may need open space around them. Read the placement section before enclosing a bar in a shelf or putting it immediately against another object. For example, Sonos provides dedicated placement and wall-mount instructions in its Arc Ultra guide.

For a wall installation, use the exact bracket and mounting drawing. The body width does not determine the screw-hole positions, and a tabletop depth may exclude wall spacers. Check the wall, fasteners, TV mount movement and cable route using the applicable installation instructions.

A separate subwoofer and rear speakers are separate items. Their footprint and connections are not included in the soundbar body dimensions.

Keep these measurements together.

• Soundbar model code and the source drawing.
• Body width, height and depth, with any stated exclusions.
• Usable cabinet width and depth at the intended position.
• Vertical gap below the TV body and the position of its sensor.
• TV leg or pedestal interference and cable space.
• Model-specific placement and mounting requirements.

Enter the body dimensions and available space in the soundbar fit planner. Use the result to find dimensional conflicts, then finish with the manufacturer’s installation checks.