• Adjustable Head Base King Adjustable Base, Black, large
  • Adjustable Head Base King Adjustable Base, Black, large
  • Adjustable Head Base King Adjustable Base, Black, large
  • Adjustable Head Base King Adjustable Base, Black, large



Adjustable Head Base King Adjustable Base

Item# - M8X142
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Color: Black

  • B
  • global.selected Color B
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Take sleep to a whole new level with this Ashley-Sleep® Lifestyle king power base with adjustable head. Smoothly raise your upper body to relieve pressure points. The benefits include: comfort for those who want to sit up in bed and better breathing, essential for those who snore or experience acid reflux. Convenient USB charging is available in the remote for connecting your electronics.
  • USB charging available in remote
  • Wired remote control
  • Head adjustable
  • State recycling fee may apply
  • Compatible with all memory foam, wrapped coil and hybrid mattresses
  • Assembly required


171.9 lbs. (77.97 kgs.)


  • Width: 75.00"
  • Depth: 79.00"
  • Height: 14.00"

Assembly Instructions

*Only the latest version of the document is available for download.
Assembly Instructions Downloads

Product Care


Rest easy with the fact that your Ashley-Sleep® mattress doesn’t require much care and maintenance. For starters, all Ashley-Sleep mattresses are designed to be no flip—now isn’t that a relief!

How to Care for Your Mattress:

  1. To help keep your Ashley-Sleep mattress clean, a thin mattress protector is recommended so it breathes to allow airflow and heat dissipation. Ashley-Sleep does not recommend you use a quilted mattress pad as it will change the feel of the mattress you selected at the store. It may also trap heat that needs to escape.
  2. Don’t use dry cleaning fluid of any type on your mattress. These chemicals could damage some of the comfort and upholstery materials.
  3. Vacuuming is the only recommended cleaning method. If you must clean a stain, use mild soap with cold water and apply lightly, allowing the mattress time to fully air dry.
  4. Please remind the kids not to jump on their Ashley-Sleep mattress, as doing so can break down the inner construction and materials.


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Browse 3 questions Browse 3 questions and 3 answers
How many legs come with the kingsize?
Joan R on May 9, 2019
BEST ANSWER: The adjustable base comes with six (6) legs. Thanks for your inquiry.
Can this be used on a platform bed frame?
Arlene G on Apr 22, 2019
BEST ANSWER: Hello and thank you for the inquiry. The adjustable base and platform bed would only need a mattress. Adjustable bases will fit inside a bed frame, but should not be used on a platform bed.
4.4 / 5.0
16 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Love it. Love it.
May 17, 2019
3 weeks ago
The Base King Adjustable base she loves it.
April 25, 2019
2 months ago
Nice Base
I bought this base about a month ago. I’m general it’s a nice base. However, I bought it in king size. The base has four legs for all sizes, King, Queen etc. I think with the king size base it’s should have at least 5/6 legs because of the size and because it’s much thinner than other bases. When sitting at the foot of the bed in the middle you can feel the base sink a little. It wouldn’t sink if there was a leg in the bottom center. The mechanisms seem to be working fine as of now.
January 27, 2019

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