SKU: 84583143013

Chief WM120 Short Throw Projector Single Stud Wall Arm

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Description

Chief WM120 Short Throw Projector Single Stud Wall ArmThe Chief WM120 Short Throw Projector Single Stud Wall Arm is engineered for fast, secure, and precise projector mounting in any classroom, boardroom, or home theater setup. Designed around Chiefs industry leading quick connect system, this wall arm delivers rapid installation without sacrificing strength or image quality. Its compact, single stud design is ideal for spaces where wall real estate is at a premium, yet performance cannot be compromised.

The Chief WM120 Short Throw Projector Single Stud Wall Arm is engineered for fast, secure, and precise projector mounting in any classroom, boardroom, or home theater setup. Designed around Chief’s industry-leading quick-connect system, this wall arm delivers rapid installation without sacrificing strength or image quality. Its compact, single-stud design is ideal for spaces where wall real estate is at a premium, yet performance cannot be compromised. The WM120 integrates a suite of precision adjustment features and cable management that produce a clean, professional finish—every time.

In environments where time matters and reliability is non-negotiable, the WM120 stands out for its combination of speed, accuracy, and aesthetics. The quick-connect system means technicians can align and secure the projector with minimal tools and fuss, reducing on-site time and downtime between installations. Beyond speed, Chief has embedded micro-adjustment capabilities that empower installers to achieve perfect image geometry right out of the box. This is especially valuable for short-throw projectors, where keystone correction alone often cannot compensate for mounting variances. The WM120’s thoughtful engineering ensures the projector sits precisely where it should, delivering a crisp, uniform image across all viewing angles.

Working in tandem with RPA Elite mounts, the WM120 provides industry-leading precision image alignment through micro roll, pitch, and yaw controls. This level of adjustment lets you dial in screen geometry with pixel-level accuracy, ensuring a true-to-source picture with minimized distortion. The integrated cable management system hides and protects cables, keeping the installation looking spotless and professional while safeguarding wiring from wear and accidental snagging. The end result is a streamlined, high-performance mount that blends seamlessly with contemporary interiors and supports immersive display experiences in any setting.

Whether you’re outfitting a conference room, a classroom, a lecture hall, or a home cinema, the WM120 is built to endure. Its single-stud wall arm configuration delivers a robust mounting solution that won’t compromise structural integrity or projection quality. The design mirrors Chief’s commitment to reliability, ease of use, and aesthetic polish—so installers can deliver consistent results on every job. If you demand fast setup, precise alignment, and a tidy, cable-free finish, the WM120 Short Throw Projector Single Stud Wall Arm is the mount you can rely on to deliver outstanding performance with minimal complexity.

  • Fast installation with innovative quick-connect system: The WM120 is purpose-built to accelerate mounting workflows. Installers can securely attach the wall arm and connect the projector in a fraction of the time required by traditional mounting systems, reducing labor costs and downtime without compromising safety or stability.
  • Industry-first micro height and leveling adjustment: Achieve pinpoint vertical placement with micro-height controls and leveling adjustments. This feature ensures the projector aligns perfectly with the screen or image plane, even on imperfect walls, leading to a flawless projection geometry from edge to edge.
  • Precision image alignment with micro roll, pitch and yaw (using the RPA Elite mounts): When paired with RPA Elite, the WM120 enables granular, three-axis image positioning. This capability eliminates keystone distortion and trapezoidal skew, delivering a true, image-accurate presentation that remains stable over time.
  • Integrated cable management system conceals and protects cables: A thoughtfully engineered cable channel keeps power, HDMI, and data runs hidden and protected. The result is a clean, professional look that reduces cable strain and simplifies future maintenance.
  • Single-stud wall arm design for space efficiency and aesthetics: The compact, robust arm is optimized for limited wall space while maintaining high load integrity. Its sleek profile complements modern interiors, offering a low-profile mounting solution without sacrificing strength or serviceability.

Techncial Details of Chief WM120 Short Throw Projector Single Stud Wall Arm

  • UPC/SKU reference: See the official Synnex listing for exact UPC and SKU values to pull full specifications.
  • Material: Aluminum alloy core with steel hardware for strength and durability.
  • Finish: Black powder-coated finish designed to withstand frequent handling and provide a professional, low-reflective appearance.
  • Compatibility: Designed for short-throw projectors using a single-stud wall mount system; integrates with Chief’s RPA Elite mounting family for precision adjustments.
  • Adjustment features: Micro height adjustment and leveling; micro roll, pitch, and yaw for exact image alignment.
  • Cable management: Integrated system conceals and protects cables for a clean final installation.
  • Design footprint: Slim, space-efficient profile suitable for environments with limited wall space or aesthetic considerations.
  • Installation concept: Quick-connect mechanism enables streamlined setup and secure mounting with minimal tools.

How to install Chief WM120 Short Throw Projector Single Stud Wall Arm

  • Step 1: Locate a solid wall stud and verify the wall can support the mounted projector’s weight. Use a stud finder and confirm electrical clearance to accommodate the unit.
  • Step 2: Attach the wall plate to the wall stud using the provided hardware. Ensure the plate is level and secure before proceeding.
  • Step 3: Connect the WM120 arm to the wall plate via the quick-connect system. Lock the arm into place, ensuring the joint is firm and free of play.
  • Step 4: Mount the projector to the arm using the appropriate mounting pattern for your unit. If required, attach RPA Elite adapters to enable micro-adjustment capabilities and optimal image alignment.
  • Step 5: Align the projector by using micro-height and leveling adjustments first, then fine-tune micro roll, pitch, and yaw to achieve a perfectly square image relative to the screen.
  • Step 6: Route all cables through the integrated cable management system. Secure cables to minimize movement, then power on the system and verify image placement and alignment from multiple seating areas.
  • Step 7: Perform a final check to ensure all fasteners are tightened, the projection is square, and there is no strain on cables. Document the installation for future servicing or relocation needs.

Frequently asked questions

  • Q: What is the Chief WM120 best suited for? A: It’s a short-throw projector wall arm designed for single-stud installations, offering fast setup, precise alignment, and a clean aesthetic in classrooms, conference rooms, and home theaters.
  • Q: Can I achieve precise image alignment with this mount? A: Yes. When used with RPA Elite mounts, the WM120 provides micro roll, pitch, and yaw adjustments for pixel-accurate image geometry and minimal distortion.
  • Q: How does the cable management work? A: The integrated cable management system conceals and protects cables, reducing clutter and protecting wires from wear or accidental damage.
  • Q: Is installation difficult? A: The WM120 is designed for quick, efficient installation with a quick-connect system. Basic wall-mounting skills and standard tools are typically sufficient for a secure setup.
  • Q: Where can I find the exact specifications and compatibility details? A: Exact specifications, including UPC and SKU values, are listed in the official Synnex listing for the product. Refer to the listing using your product’s UPC or SKU to pull the full spec sheet.
Shipping Notes
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  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 84583143013

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Ray Schaar
Port Orchard, US
★★★★★ 5
A Wonderful Update To A Great Old Reference Book!
Format: Hardcover
It's the Merck Manual! If you know medicine but are aware you don't know EVERYTHING about EVERYTHING! (Few if any do!) This is a wonderful reference. If you have no medical knowledge and think this will make you know what doctors know. Don't waste your money. You have to have a basic understanding for this to be helpful. This is a wonderful update to an old favorite.
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Reviewed in the United States on July 16, 2025
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Majted
Charlottesville, US
★★★★★ 5
The most current and inclusive medical reference available mid-2018.
Format: Hardcover, Format: Hardcover
Here’s the review I wrote for the 19th edition on 2011: I've been getting and using the Merck Manual for over 30 years to answer questions about disease for family and friends (pediatrics through geriatrics) as well as preparing to ask germane questions of physicians responsible for care of family and friends. It is comprehensive in its coverage of the etiology, diagnosis, treatment and prognosis of diseases of the human body and contains the latest research results on the treatment options. It's really not that difficult for the layman to understand the medical terminology and the result is factual understanding of the major aspects of disease which you will NOT get from the standard home health care books from Johns Hopkins, Harvard, Mayo Clinic, the AMA or even the Merck Home Health handbook. And, unlike the Merck Manual, these books directed to the laity do not contain the diagnostic information upon which physicians decide precisely what disease they are presented with. Yes, there will be much superfluous information which you may never use, but, when you want and need the information about a specific disease, here's where you should start your education. The same holds true for the updated 2018 20th edition. I neglected to mention that this manual also contains a plethora of ancillary information including thorough sections on pediatrics, geriatrics, injuries, bites and stings, patient care, alternative medicine, dietary supplements, rehabilitation, normal test values and even legal issues such as advance directives. Yup, it’s pricey, but it’s always proved to be valuable to me.
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Reviewed in the United States on June 15, 2018
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Lisa A.
Port Orchard, US
★★★★★ 5
Great reference book
Format: Hardcover
If you only have one medical resource book in your house, I recommend this one. Very thorough book.
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Reviewed in the United States on March 3, 2026
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dabelms of Bensalem
Pawtucket, US
★★★★★ 5
Good to Have
Format: Hardcover
This is a comprehensive manual. I bought it because of the difference of opinions of different doctors and vets that we received when our cat was sick. We spent over $6,000+ and found out he only had 1 of the 7 symptoms of his diagnosis and the hospital could not find the reason for his weight loss. Many years ago a human Merck Manual helped us discover that the specialist was using one. After coming out of the hospital and during a followup visit, I asked what is the next step to take. I advised him we bought a Merck Manual and can read it just as well as him and was not happy. He sent us to an Electrophysiologist, a speciality we never knew existed. Kitty gained weight again, just needed to peak his appetite with Instinct Rabbit and Duck dry cat food. Apparently, his smell was off and Instinct coats their kibble with the flavor you are buying. It wasn’t easy finding the right one because he is food specific and it must be kibble. We donated all the ones recommended and others we thought he would the rescues. When we first adopted him as a kitten, he was sneezing mucous tinted with blood and vet said he would grow out of it. He did but …. Highly recommend double checking and / or getting a 2nd opinion, human or otherwise.
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Reviewed in the United States on January 26, 2024
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Donald J. Baccus
New York, US
★★★★★ 5
Compact detailed reference work
Format: Hardcover
This is the next in a series of, th most recent version. Contains a volume of medical information of many medical topics.a great reference product.
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Reviewed in the United States on November 21, 2025

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