Guides · Room requirements by launch monitor
What Does a Rapsodo MLM2PRO Need for an Indoor Golf Simulator?
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The MLM2PRO needs more room than its small footprint suggests. Rapsodo calls for 8 feet from the ball to the net and roughly 6.5 to 8.5 feet from the ball back to the launch monitor, so the working lane is a little over 14 feet before you add screen or net clearance. RPT golf balls are required for measured spin numbers, and taller golfers may need the unit farther back so the cameras can capture the full swing.
Start With Room Depth, Not the Size of the Device
The MLM2PRO sits behind the golfer on the target line. That rear-mounted layout is the first thing to understand when you are deciding whether it fits indoors.
The room itself needs more than that 14-foot lane. An impact screen may need space behind it, and the golfer still needs a comfortable place to stand and swing.
Lay Out the Net, Ball, and Monitor Before You Buy the Enclosure
Mark the net or screen first, then measure 8 feet back to the ball. From there, mark the launch monitor 6.5 to 8.5 feet behind the ball.
Club data changes the number. Rapsodo's setup guide says "the ball must be placed 7.5 feet (250 cm) from the unit" to capture club data, and the feature requires a Premium membership. That falls inside the normal indoor range, but it is another reason not to build around the shortest possible distance.
A room advertised as 15 feet deep can therefore be tighter than it sounds once you include the screen, rear clearance, and the space around the golfer.
Taller Golfers May Need More Space Behind the Ball
Rapsodo notes that taller players may need to move the MLM2PRO farther back so the swing video stays in frame.
If video is part of why you want the unit, test the framing with the tallest regular user before you fix the mat or screen in place. A layout that works for one golfer can crop another golfer's backswing or finish.
That is an easy problem to catch with painter's tape and a temporary mat. It is much harder to fix after the room has been built around one exact distance.
RPT Balls Matter if You Want Measured Spin
Rapsodo says the MLM2PRO works with any type of golf ball, but it encourages "the use of the RPT balls indoors for measured spin rate and spin axis."
If spin data is important to you, include those balls in the ongoing cost of the simulator instead of treating them as an optional accessory.
Projection Is Optional
The MLM2PRO is built around a phone or tablet, so you do not need a projector to practice indoors. For a larger picture, Rapsodo's product page lists a Lightning-to-HDMI cable from an iOS device or USB-C-to-HDMI from Android to a projector, or AirPlay or screen mirroring to a smart TV.
That does not change the projector math. Screen size, throw distance, mounting position, and swing clearance still have to work independently of the launch monitor.
Who Needs to Measure Most Carefully?
Short garages, basements, and spare rooms deserve a full floor layout before you buy. The MLM2PRO is portable, but the indoor lane it needs is not especially short.
If your available depth is close to the minimum, mark every distance on the floor and include the screen's rear clearance. If the room is still cramped, a unit that sits beside the ball, such as Garmin's Approach R50, takes the 6.5 to 8.5 feet behind the golfer out of the plan.