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One-touch presets
Tool-free setup
850 lb capacity
Ships from Phoenix

OS4 Black and Gray Adjustable Base

  • Independent head and foot elevation, one-touch control
  • Quiet, reliable dual motors
  • Wireless remote control
  • Sturdy steel frame; height-adjustable legs
  • Zero-clearance, tool-free assembly
  • Reduce snoring and improve circulation with simple elevation
Choose Your Adjustable Base
Best Value
OS4 Adjustable Base
  • Head & foot elevation
  • Wireless remote
Selected
Most Popular
OS5 Adjustable Base
  • Dual massage
  • 4 USB charging ports
  • Under-bed lighting
Select SizeSize Guide
Twin$490.00
Twin$490.00
TwinXL$490.00
Full$510.00
Queen$510.00
Split Top Queen$670.00
King$670.00
Split Top King$890.00
2pk Split Top King$960.00
Cal King$720.00
Split Cal King Half$490.00
Split Top Cal King$890.00
2pk Spilt Cal King$960.00

Installment options available at checkout
In Stock  Ships in 1–2 days from Phoenix, AZ
Free shippingOn orders $200+
30-Day returnsNo-hassle
1-Year warrantyCoverage included
Curbside deliveryFree, nationwide
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Product Overview
The OS4 keeps it simple: smooth, single-touch head and foot elevation on a quiet, reliable motor, controlled from a wireless remote. A sturdy steel frame and height-adjustable legs drop it into most bed frames, and tool-free assembly means you are set up in minutes — comfort that elevates your routine without the showroom markup.
  • Independent head & foot elevation
  • Wireless remote, one-touch flat
  • Quiet, reliable motor
  • Steel frame, adjustable legs
  • Tool-free assembly
Design / Construction
FrameSteel frame with upholstered deck ControlsBacklit wireless remote with built-in flashlight PowerQuiet motors with emergency battery backup to flat Legs3-in-1 adjustable: 12″ / 8″ / 4″; zero-clearance AssemblyCenter-folding, tool-free; everything included
Product Dimensions
SizesTwin, Twin XL, Full, Queen, King, Cal King, plus Split configurations Leg heights12″ / 8″ / 4″ (3-in-1 adjustable) Capacity850 lb total (mattress + sleepers) FootprintMatches standard mattress sizes — see the size guide for exact length & width
OS4 Black and Gray Adjustable Base

Find your position

Raise your head and feet independently with a single touch, then ease back to flat — the comfortable angle you have been missing, no pillow-stacking required.

Quiet, dependable comfort

A quiet, reliable dual-motor system moves you smoothly into place from a simple wireless remote, on a sturdy steel frame built to last.

Yours in minutes

Zero-clearance, tool-free assembly one adult can handle, with height-adjustable legs that drop it into most existing bed frames.

Features

OS4 Black and Gray Adjustable Base feature

Real adjustable comfort, without the showroom markup

Smooth head and foot elevation, a quiet motor, and a wireless remote on a sturdy steel frame — shipped straight from Omne so you pay for the bed, not the storefront.

$490+
Direct-to-you, from
Quiet
Reliable dual motors
Steel
Sturdy frame, adjustable legs
Tool-free
Setup in minutes, one person

Everything in one hand

A simple wireless remote raises and lowers your head and foot and returns you to flat — comfort dialed in from across the room.

OS4 Black and Gray Adjustable Base remote

Two sleepers, two settings

Choose a Split King and each side moves on its own — two Twin XL bases under one bed, so you can recline while your partner lies flat.

OS4 Black and Gray Adjustable Base split king

Fits your room, your way

A zero-clearance design lets the OS4 stand on its own or drop inside most existing bed frames, with height-adjustable legs to set the right height.

OS4 Black and Gray Adjustable Base adjustable height

Massage on demand

Independent head and foot massage with three intensities and three wave modes turns winding down into part of the routine. Pair it with Zero-Gravity to take the day off your body.

OS4 Black and Gray Adjustable Base

Set up in minutes

No tools, no fuss — attach the legs, set it in place, plug in, and pair the remote. One adult, a few minutes, done.

OS4 Black and Gray Adjustable Base easy assembly

Got questions?
We've got answers.

Will it work with my mattress?
Yes — the Rise 400 pairs with any flexible foam, hybrid, or latex mattress (most 10″–14″ mattresses flex perfectly). No box spring needed; a retainer bar keeps the mattress in place as the base moves.
Does it fit my bed frame?
It works as a standalone base on its 3-in-1 legs, or drops inside most existing frames thanks to the zero-clearance design. Set the legs to 12″, 8″, or 4″ to match your frame.
How hard is it to set up?
Easy. It ships center-folded and assembles in minutes with no tools — one adult can do it. Attach the legs, unfold, plug in, pair the remote.
How much weight does it hold?
Built for an 850 lb total capacity, mattress and sleepers included.
Is a Split King two separate bases?
Yes — Split King is two Twin XL bases that move independently, so each side adjusts on its own under one King-width bed.
What if the power goes out?
A battery backup lets you lower the base flat during an outage, so you’re never stuck in a raised position.
Where does it ship from and how fast?
Orders ship from our Phoenix, AZ warehouse. Please allow 1–2 business days to process; tracking is emailed as soon as it leaves the dock.
How is it delivered?
The base ships boxed via standard ground freight to your door. See our shipping page for the latest delivery details in your area.
What's your return policy?
Returns are handled per Omne’s standard returns & exchanges policy — see our Returns page for current terms and how to start one.
What payment options are there?
We accept major cards and the wallet and installment options shown at checkout. Available installment plans appear on the payment step.
Free Curbside Delivery
1-Year Warranty
30-Day Returns

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov/furniture.

We include this notice on all furniture and sleep products out of an abundance of caution. Our mattresses are CertiPUR-US certified, and we have no reason to believe our products contain harmful levels of any listed chemicals.

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Same product. Real prices.

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Ships from Phoenix

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Omne Sleep

Omne Home & Sleep

Mattresses and furniture. Direct from Phoenix. No showroom markup. +1 (480) 351-7135

info@omnesleep.com

Monday – Friday, 9am – 5pm MST

25 S 51st Ave, Phoenix, AZ, 85043

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