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In Stock Same-day processing on in-stock orders Ships after order confirmation Contact us for availability
Same-day processing on in-stock orders. US orders arrive in 3–5 business days (AK/HI 5–7) · Expedited delivery (2–3 business days) is available for eligible items. Ships after order confirmation. Contact us for availability. Tracking number emailed when your order ships. Shipping policy
Product Overview
The Chief CMA474 SYSAU is a plenum-rated storage box designed for installation above a suspended ceiling. Engineered for strength, adaptability, and clean AV integration, it is suited to corporate and educational environments where projects require an above-ceiling storage solution.
Key Features
The Chief CMA474 SYSAU Above Suspended Ceiling Storage Box is a plenum-rated storage solution created for AV installations located above a suspended ceiling. Its stated design priorities are strength, adaptability, and clean AV integration. Chief positions this model for corporate and educational environments where a project requires a purpose-specific above-ceiling storage box.
The CMA474 is suited to corporate and educational AV projects that call for storage above a suspended ceiling. Its application is defined by its installation location and its role in clean AV integration. This makes it relevant when an AV design specifies that associated storage must be placed in the ceiling space. The plenum-rated designation also makes that characteristic an important part of product selection. Buyers should match the CMA474 to projects requiring this specific type of above-suspended-ceiling solution rather than treating it as a general-purpose room storage product.
The CMA474 brings together three stated design priorities: strength, adaptability, and clean AV integration. These qualities address the practical demands associated with incorporating storage into an AV installation without departing from the intended ceiling-based design. Its SYSAU product identity clearly distinguishes it as an above suspended ceiling storage box, while the CMA474 model number provides a precise reference for specifying and ordering the correct item. The plenum-rated format further defines its intended role and should be considered alongside the requirements of the planned installation.
The defining installation context for this model is above a suspended ceiling. This placement should be incorporated into the AV plan from the beginning so that the selected storage box corresponds with the project location and integration approach. The provided product data does not state the box dimensions, weight, storage capacity, included hardware, load rating, or detailed installation procedure. Those values should therefore not be assumed. Before ordering, installers should verify any project-specific fit, support, access, and installation requirements using the CMA474 model and SKU as the product reference.
For the CMA474, the available performance information focuses on installation-oriented qualities rather than numerical specifications. Chief describes the storage box as engineered for strength and adaptability, supporting its role within an integrated AV project. Clean AV integration is another stated priority, aligning the product with corporate and educational settings where the overall installation approach matters. No measured capacity, material specification, dimensional data, or quantified strength rating is included in the supplied information, so the product should be evaluated on its documented above-ceiling purpose and stated engineering priorities.
The CMA474 is defined by a focused combination of characteristics: it is a Chief SYSAU storage box, it is intended for placement above a suspended ceiling, and it is identified as plenum rated. Rather than presenting a broad range of unrelated functions, the available product information centers on a specific AV storage application. The model is also positioned for both corporate and educational environments, allowing the same clearly identified product to be considered across those two project categories. Its model and SKU are both CMA474, simplifying product identification in specifications and purchase documentation.
The Chief CMA474 is a specialized choice for projects that require a plenum-rated storage box above a suspended ceiling. Its strongest documented attributes are its dedicated installation purpose and its emphasis on strength, adaptability, and clean AV integration. It is particularly relevant to corporate and educational environments already planned around an above-ceiling AV storage approach. Because detailed physical and installation specifications are not included in the available data, buyers should confirm required dimensions, capacity, hardware, and other project-specific criteria before purchase. For the intended application described, the CMA474 offers a clearly defined Chief storage solution.
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Same-day processing on in-stock orders; orders placed on weekends or holidays begin processing the next business day. For US orders: Standard 3–5 business days (5–7 business days to Alaska and Hawaii). Expedited delivery (2–3 business days) is available for eligible items and is quoted after you order. For displays 43 inches and larger, ETA may vary. Estimates are not guarantees; weather, carrier delays, and remote destinations can extend delivery times.
We accept orders only with U.S. shipping and billing addresses (the 50 states and DC). We cannot accept international, APO/FPO, or U.S. territory addresses. We ship via carriers including FedEx, UPS, and USPS. Standard ground shipping is free on all U.S. orders. Expedited shipping is available for eligible items and is quoted after you order; nothing extra is charged without your approval.
Inspect your order on arrival. If an item arrives damaged, defective, or is not what you ordered, contact us within 48 hours so we can arrange a replacement or refund at no cost to you, including return shipping. If a package arrives damaged in transit, also keep all packaging so we can file a carrier claim.
Full policy: Shipping Policy Full policy: Refund & Return Policy
Most items can be returned within 30 days of the delivery date for a refund or exchange, and every return needs an RMA number. For a full refund, items may be opened but must be unused, in original condition with all accessories and packaging, and any free promotional items must be included. Except for damaged, defective, or mis-shipped items, you pay return shipping. Items returned incomplete, used, or missing original packaging may be subject to a restocking fee of up to 15% or a partial refund. Custom-configured and clearance/final-sale items, opened software, downloadable content, gift cards, opened consumables and personal-use items, and items missing serial numbers or manufacturer packaging can’t be returned. Any exceptions are noted on the product page.
Once we receive and inspect your return, we email you to confirm approval. Approved refunds go to your original payment method, typically within 3–5 business days of inspection, and your bank or card issuer may take an additional 5–10 business days to post the credit. Original shipping charges are non-refundable unless the item arrived damaged, defective, or was shipped in error.
A manufacturer warranty may apply to an eligible product. Coverage, term, and claim process vary by product, condition, and manufacturer, so check the product listing and manufacturer documentation for the exact term. Open-box, refurbished, used, and final-sale items may have different terms. If warranty eligibility is important to your purchase, contact us before ordering so we can confirm the information available for this item. Our support team can also help locate documentation or start an eligible claim.
We accept Visa, Mastercard, American Express, and Discover cards, PayPal, and Google Pay on supported devices and browsers; checkout shows the options available for your order and device. Purchase orders, NET 30 terms, and wire transfers are offline and by arrangement only. Call us at (800) 581-6868 (Mon–Fri 9 AM – 6 PM ET), email support@audiovideonation.com, or use Live Chat when available.
30-day returns on most items (RMA required). For a full refund, items may be opened but must be unused, in original condition with all accessories and packaging
Return policyReport it within 48 hours for a replacement or refund at no cost, including return shipping
Damaged item policy