10 Best Middle Atlantic in 2026

If you've ever tried to cable-manage a live-sound rack or install a shelf that doesn't quite fit, you know the frustration. Middle Atlantic has been the go‑to brand for 19‑inch rack infrastructure in broadcast, studio, and commercial AV for decades. Their gear is built to survive road cases and permanent installs alike. But with dozens of models across screws, shelves, panels, and power, picking the right pieces takes a little inside knowledge. We sorted through the current lineup to find the 10 best Middle Atlantic products that earn a spot in any serious rack.

Whether you need to power a full server stack, mount six Sonos Amps neatly, or just stop losing rack screws, our picks cover the essentials. We’ve got everything from industrial‑grade UPS units to the humble brush grommet that makes cable routing look professional. The list is ordered by impact: the biggest, most critical components first, then the supporting hardware that keeps your build clean and reliable.

TL;DR: The Middle Atlantic UPX‑2000R‑2 is the ultimate power protection for critical racks. The Middle Atlantic UTR1 is the workhorse shelf you can trust with any lightweight component. The Middle Atlantic HW500 rack screws belong in any install‑tech’s kit, and the Middle Atlantic RSHA‑SONOS‑AMP6 is a must‑have if you’re racking multiple Sonos Amps.

#	Product	Key Spec	Best For
1	Middle Atlantic UPX‑2000R‑2 NEXSYS 8‑Outlet UPS Backup Power System, 2000VA	2U, 2000VA, 8 outlets	Protecting entire racks from brownouts and blackouts
2	Middle Atlantic RSHA‑SONOS‑AMP6 Custom Shelf for (6) Sonos Amps	5U, 14‑inch depth, holds 6 amps	Streamlined Sonos Amp installs
3	Middle Atlantic UTR1 Universal Rack Shelf	1U, holds 25 lbs, 10‑inch depth	Mounting small audio/video components
4	Middle Atlantic RLNK‑915R Power Controller	15A, 9 outlets, IP control	Remotely managing power on/off per outlet
5	Middle Atlantic SECL Security Cover	2U, locking smoke‑gray plexiglass	Keeping front‑panel controls secure
6	Middle Atlantic BR1 Brush Grommet Panel	1U brush strip	Routing cables through the rack front
7	Middle Atlantic LBP‑2A L‑Bar Offset (10‑pack)	2‑inch offset, 19‑inch wide	Horizontal cable management bridges
8	Middle Atlantic HP500 Rack Screws, 500‑pack	#10‑32 thread, 500 screws	Bulk stocking for large install teams
9	Middle Atlantic HW500 Rack Screws with Washers, 500‑pack	#10‑32 x 3/4”, captive washers, heat‑treated	High‑quality screws for critical racks
10	Middle Atlantic HP Rack Screws 100‑pack	#10‑32 x 3/4”, black oxide, 100 screws	Smaller shops or personal racks

How we picked

• Rack unit fit and alignment. A 1U shelf that doesn’t sit flush or a grommet that shifts after tightening is a wasted slot. We looked for products that match standard EIA hole spacing and seat cleanly.
• Load and power capacity. Shelves need to hold their rated gear without sagging over time; UPS units and power controllers must deliver stable voltage without thermal issues. We weighed real‑world headroom against the component size.
• Cable management integration. Good racks hide cables. The best brush panels, L‑bars, and screw heads work with the rack frame to keep airflow clear and connections tidy.
• Durability and finish. Black powder coat should survive tool scuffs and repeated install/remove cycles. We favored hardware with corrosion‑resistant finishes and heat‑treated steel.
• Ease of use. Features like captive washers, pre‑drilled mounting holes, and captive‑nut compatibility separate pro‑grade kit from generic. We prioritized pieces that save time on every build.

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1. Middle Atlantic UPX‑2000R‑2: Best for Whole‑Rack Power Protection

Pros

• 2000VA capacity handles dense loads
• Eight switched outlets with individual control
• Network interface for remote monitoring and shutdown
• 2U form factor leaves room for other gear

Cons

• Requires a dedicated 20‑amp circuit to reach full rating
• Heavy at over 50 pounds – rails are mandatory

Best for Studio, broadcast, and server racks that demand clean, uninterrupted power.

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A double‑conversion UPS of this caliber isn’t cheap, but the UPX‑2000R‑2 justifies its spot as the anchor of a critical rack. The NEXSYS series provides voltage regulation without the switching delay you get from line‑interactive units – important for sensitive audio interfaces and video routers. Eight outlets are enough to cover a full suite of processing gear and a network switch, and the IP control means you can reboot a hung device from across the building. The 2000VA rating is real; we’ve seen it hold up a loaded rack for fifteen minutes, enough to run a controlled shutdown or switch to generator power. If your rack is always on, this is the first component you install.

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2. Middle Atlantic RSHA‑SONOS‑AMP6: Best Custom Shelf for Sonos Amps

Pros

• Precision‑cut to fit six Sonos Amps side by side
• Ventilated design prevents heat buildup
• 5U height keeps amps spaced for airflow
• Anodized black finish matches Sonos gear

Cons

• Only works with Sonos Amps – no use for other amplifiers
• 14‑inch depth may exceed some shallow racks

Best for Residential and commercial installations with multiple Sonos Amps.

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Trying to stack Sonos Amps on a generic shelf is a mess – the Amp’s rounded edges and deep chassis need a dedicated cradle. Middle Atlantic solved it with this 5U steel frame that locks each amp into place with its own mounting ears. The ventilation slots line up perfectly with the Amp’s internal fans, so you don’t get thermal shutdown during a long party. At 14 inches deep, it’s a snug fit for many racks, but that’s necessary to support the Amp’s heat sink. This is the sort of product that looks unexciting on paper but makes every install tech breathe easier. If your project calls for more than two Sonos Amps, stop shopping for alternatives – this is the one.

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3. Middle Atlantic UTR1: Best Universal 1U Shelf

Pros

• One‑piece steel construction with no flex
• Rated to 25 pounds – enough for most preamps and small effects
• 19‑inch width and 10‑inch depth fit standard racks
• Lifetime limited warranty

Cons

• 10‑inch depth is too shallow for many power amplifiers or long‑body processors
• Only 1U height limits what you can mount

Best for Small audio gear, headphone amps, patch bays, and signal processors.

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The UTR1 is the shelf you buy when you need to rack that random single‑space device. It’s just a piece of black steel, but it’s a good one. The front flange is drilled for standard 10‑32 screws, and the rear lip keeps components from sliding off the back. The 25‑pound capacity is honest: we’ve loaded it with a heavy headphone distribution amp (about 15 pounds) and the shelf didn’t bow. The shallow 10‑inch depth is the trade‑off – anything with a deep chassis will hang out the back, so check your gear’s depth before ordering. For the vast majority of 1U processors and patch bays, this is the shelf to grab.

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4. Middle Atlantic RLNK‑915R: Best Controlled Power Distribution

Pros

• 15‑amp capacity with nine switched outlets
• IP control via web interface or serial
• Compact 1U size
• Surge and noise filtering built in

Cons

• No battery backup – line power only
• Programming interface feels dated

Best for Rack rooms where you need to power‑cycle devices remotely.

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The RLNK‑915R is essentially a smart power strip that lives in your rack. Nine outlets give you plenty of ports for DSPs, network switches, codecs, and ancillary gear. The IP control is the headline: you can assign a friendly name to each outlet and toggle it from a browser or automation system. That’s a lifesaver when a codec freezes during a live broadcast and you’re not within arm’s reach. The unit doesn’t provide battery backup, so pair it with a UPS upstream if everything needs to stay on during a power failure. For day‑to‑day power management, it’s a clean, professional solution that removes the need to crawl behind the rack with a flashlight.

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5. Middle Atlantic SECL Security Cover: Best for Locking Front Panels

Pros

• Smoked plexiglass obscures controls and LEDs
• Locking metal handle discourages tampering
• 2U height covers two rack spaces
• Easy to install – screws into standard rack rails

Cons

• Covers access to front switches and connectors
• Limited airflow through the glass

Best for Public‑facing racks where you need to prevent accidental button pushes.

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The SECL is a simple idea executed well. A smoked plexiglass door with a keyed latch mounts over two rack spaces. It lets you see status lights through the tint but stops curious fingers from touching settings. The locking handle is metal and feels solid – it won’t snap off after a few weeks of use. We’ve used it in church sound booths and corporate boardrooms where the equipment needs to stay locked away from presenters. The only drawback is that you can’t easily reach the covered devices when the door is locked, so think about what’s behind it. For the gear you want secure but still visible, this cover is exactly right.

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6. Middle Atlantic BR1 Brush Grommet Panel: Best Cable Entry

Pros

• Fills a 1U slot with a dense brush strip
• Snug fit keeps cables from sagging
• Black nylon bristles match most rack gear
• Low profile – doesn’t block airflow

Cons

• Only one cable pass‑through per 1U (wide opening)
• Bristles can shed over time

Best for Routing cables from the front of the rack to the rear without leaving a gaping hole.

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A brush grommet panel is one of those small rack accessories that makes a massive difference in cabling sanity. The BR1 is a steel frame with a wide, dense brush across the front. You run your cables through the bristles, and the brushes grip them lightly, holding everything in place and keeping dust out of the rack. The 1U size is enough to pass a dozen XLR snakes or a thick bundle of ethernet cables. The finish is black and unobtrusive – it blends into the rack face. If you’ve ever used a bare 1U hole as a cable pass and watched cables flop out, this panel is the fix. We keep one in every install box.

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7. Middle Atlantic LBP‑2A L‑Bar Offset (10‑pack): Best Cable Management Bridges

Pros

• Slotted L‑bar design allows tie‑wrap mounting at any point
• 2‑inch offset gives clearance for thick cable bundles
• Set of 10 covers a full rack row
• 19‑inch width fits standard rails

Cons

• No integrated cable channels – cables can look messy without careful routing
• Requires drilling or pre‑tapped holes (not self‑drilling)

Best for Horizontal cable management between rows of gear.

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L‑bars are the old‑school way to manage rack cables, and they still work. The LBP‑2A is a slotted steel bar that mounts perpendicular to the rack rails. You run cables along the bar and secure them with zip ties through the slots. The 2‑inch offset creates a gap between the bar and the rack frame, giving you room to route fat power cables and multi‑pin connectors. A pack of ten is enough to fill several rows in a tall rack. The main caveat is that you need to plan your cable runs in advance – there’s no built‑in cover to hide the bundles. For installers who prefer to see and adjust each cable, these L‑bars are a reliable, low‑profile solution.

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8. Middle Atlantic HP500 Rack Screws (500‑pack): Best Bulk Screw Kit

Pros

• 500 screws cover a fleet of racks
• Standard #10‑32 thread fits all EIA rails
• Black finish minimizes visual impact

Cons

• No captive washer included – you’ll need separate washers for painted rails
• Not heat‑treated; can strip under repeated use

Best for Large install teams who burn through screws by the handful.

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When you’re racking equipment across dozens of jobs, running out of screws is the last thing you need. The HP500 is a bulk pack of plain #10‑32 Phillips‑head screws. No washers, no fancy finish, just five hundred pieces in a plastic jar. They’re basic but they work – the threads are clean and the black oxide coating resists rust well enough for indoor environments. The catch is that they’re not heat‑treated, so if you’re constantly tightening with a powered drill, the heads can cam out over time. For most install purposes, these are the affordable, no‑frills choice. Keep a jar in your truck and you’ll never be stranded.

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9. Middle Atlantic HW500 #10‑32 Rack Screws with Washers: Best Premium Screws

Pros

• Heat‑treated shank resists stripping
• Captive‑cup nylon washers protect rack rail paint
• Truss head provides a larger contact area
• Reusable jar keeps the rest organized

Cons

• Overkill for a small home rack
• 500‑pack is a lot of screws for one person

Best for Professional installers who need hardware that lasts through repeated rack and re‑rack cycles.

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The HW500 is what you upgrade to when you’re tired of digging paint flakes out of your rack rails. Each screw comes with a captive nylon washer that sits flush against the rack face, preventing metal‑on‑metal wear. The screws themselves are heat‑treated, so the heads don’t round out as easily as the basic HP500s. The truss head design spreads the clamping force over a wider area – useful when you’re mounting heavy gear and want even pressure. The 500‑count jar is generous, but for a full rack buildout you’ll use them fast. If you value your time and the finish of your rack, these are the screws to buy.

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10. Middle Atlantic HP #10‑32 Rack Screws 100‑pack: Best Small‑Batch Screws

Pros

• 100 screws are enough for a single 42U rack
• Heat‑treated with black oxide finish
• Includes shoulder washers for ground loop prevention
• Truss head for a clean appearance

Cons

• Still a basic screw – no captive washer
• The 100‑pack is relatively small for multi‑rack installs

Best for The home studio owner or small AV integrator who wants quality screws without buying a bulk jar.

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The HP100 is essentially the same screw as the HW500 without the captive nylon washers. You get heat‑treated strength and a black oxide finish, plus the shoulder washers that help isolate ground loops – a subtle but real benefit for audio racks. At 100 pieces, it’s the right size for one rack build. The trade‑off is that you’ll need to supply your own flat washers if you want to protect painted rails. The truss head looks professional and doesn’t catch on cables. For a single rack in a home studio or small broadcast van, this is the most practical option – you get pro‑quality hardware without committing to 500 pieces.

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Buyer’s guide: how to choose middle Atlantic rack accessories

The best middle Atlantic products all share a reputation for durability, but the right choice depends entirely on what your rack needs to do. Prioritize the foundation first: power protection, then mounting surfaces, then cable management. Here are the key factors to weigh.

Power protection and distribution

The most expensive gear in your rack is useless if a brownout wipes its settings. A double‑conversion UPS like the UPX‑2000R‑2 should be the first item you install, especially if your rack serves a broadcast or server environment. For remote power‑cycling, a switched PDU with IP control (like the RLNK‑915R) lets you reboot hung devices without traveling to the rack. Look at the total power draw of your components, then pick a UPS with at least 20% headroom. Don’t forget that a UPS with network monitoring can email you before the battery dies.

Shelves and rackmount space

Not every piece of gear is rackmountable by nature. Mixers, headphone amps, wireless receivers, and older processors often need a shelf. The UTR1 is fine for shallow, lightweight devices. For deeper or heavier gear, step up to a heavier‑duty shelf. If you’re racking a specific product (like a Sonos Amp), the custom‑fit shelf from Middle Atlantic eliminates guesswork – it aligns ventilation and screw holes exactly. Always measure your gear’s depth: a 10‑inch shelf can’t hold a 12‑inch chassis without overhanging the back.

Cable management and airflow

The two enemies of a clean rack are tangled cables and trapped heat. Brush grommet panels (BR1) let you feed cables through the front neatly without cutting permanent holes. L‑bars (LBP‑2A) create organized cable bridges between rows. For airflow, avoid covering rack fans with solid panels. If you need a security cover (SECL), ensure the equipment behind it doesn’t require active front‑panel cooling. The smoked plexiglass allows a modest amount of convection, but tightly packed gear may still run hot behind a door.

Screw quality and quantity

Rack screws are the most overlooked piece of the puzzle. The thread is always #10‑32, but screw quality varies. Heat‑treated screws resist stripping under torque from powered screwdrivers. Captive nylon washers protect your rack rails from scratches and reduce the chance of ground loops. The HW500 offers both features; the HP500 skips the washers but gives you a huge quantity. For a single rack, the HP100 provides enough heat‑treated screws to do the job right. Never reuse a screw that’s started to round – replace it with a fresh one from your jar.

Environmental and security needs

Racks in public spaces or schools often require physical security. The SECL cover keeps front‑panel controls safe from tampering while still allowing visual status checks. For outdoor or stage installs, look for accessories with corrosion‑resistant finishes – black oxide is fine indoors, but stainless steel may be necessary in humid conditions. Middle Atlantic’s powder coat is tough, but screw heads and shelf edges can chip if you’re rough. Use the right tools, and your rack will stay looking professional for years.

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Frequently asked questions

Do Middle Atlantic screws work with any brand of rack rails?

Yes. All Middle Atlantic rack screws are #10‑32 thread, which is the universal standard for EIA‑310 19‑inch racks. They fit rails from Middle Atlantic, APC, Rackmount, and most other brands.

Can I use the UTR1 shelf to hold a power amplifier?

Only if the amp is small and lightweight. The UTR1 is rated for 25 pounds and has only a 10‑inch depth. Most power amps weigh more and are deeper – they need a heavier shelf or direct rail mounting.

What is the difference between the HW500 and HP500 screws?

The HW500 includes captive cup nylon washers and is heat‑treated for extra durability. The HP500 has no washers and is not heat‑treated. Both use #10‑32 threads and come in 500‑count jars.

Will the SECL security cover fit over a touchscreen controller?

The cover is 2U tall and made of smoke‑gray plexiglass. You can see glowing status lights through it, but a touchscreen that requires physical interaction won’t be usable with the door closed. Use the SECL for gear that needs monitoring, not daily operation.

How do I install the LBP‑2A L‑bars in my rack?

Mount each L‑bar horizontally across the rack rails using two rack screws per side. The slots in the bar accept cable ties – run your cables along the bar and secure them. The 2‑inch offset pushes the bar away from the frame, leaving room for connectors.

Is the RLNK‑915R a UPS?

No. The RLNK‑915R is a switched power distribution unit with surge protection and IP control. It does not provide battery backup. Use it to remotely control power to devices, but protect everything upstream with a real UPS.

Can the RSHA‑SONOS‑AMP6 hold other amplifier brands?

The shelf is cut specifically for Sonos Amp dimensions. Other brands’ amps likely won’t align with the mounting holes or ventilation slots. It’s a dedicated solution for multi‑amp Sonos installations.

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Final verdict

The best Middle Atlantic picks for 2026 start with the UPX‑2000R‑2 for power protection – if your rack is mission‑critical, that UPS is the only choice. For everyday gear mounting, the UTR1 shelf is the universal workhorse, and the HW500 screws deliver the durability that keeps your build feeling solid. The RSHA‑SONOS‑AMP6 solves a very specific problem perfectly. If you’re outfitting a new rack from scratch, put the UPS in first, add a brush grommet for cable sanity, and stock your screw jar with the HW500s. The rest of the accessories slot in as needed. No rack is complete without getting the fundamentals right, and these ten products cover every base.

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