For screen reader problems with this website, please call807-623-12128 0 7 6 2 3 1 2 1 2Standard carrier rates apply to texts.

  • C'est déjà la folie !Early DealsVendredi fouBlack Friday

    Offer Ends November 18, 2026L'offre prend fin le 18 novembre 2026

Sierra Sleep® By Ashley® Best Black King Adjustable Base with Lumbar and Audio


Model #:

M8X342

Sierra Sleep® By Ashley® Best Black King Adjustable Base with Lumbar and Audio-0
Sierra Sleep® By Ashley® Best Black King Adjustable Base with Lumbar and Audio-1
Sierra Sleep® By Ashley® Best Black King Adjustable Base with Lumbar and Audio-2

At a Glance

Bedtime becomes the best time with the customizable comfort of this adjustable base. Whether you're reading before bed or aiming to reduce snoring, the adjustable head, foot and lumbar positions allow you to find the perfect position. The built-in speaker system caters to your audio needs.Read More

$3,439.94

$3,699.94

Save $260.00

What We Offer

On Display at Reid's Furniture - 900 Cobalt Crescent, Thunder Bay 0
On Display at Reid's Liquidation Centre - 810B Field Street, Thunder Bay 0
On Display at Ashley Furniture - 640 Balmoral Street, Thunder Bay 0
Available for Pick-Up - 800 Field Street, Thunder Bay 1

Get to know this product.

Product Overview

Product Overview

Do soothing sounds help you slumber? The built-in speaker system caters to your audio needs. The base's motion-activated lighting makes it easy to navigate back to bed in the dark. And you can control it all without getting up, thanks to mobile app compatibility and a wireless remote.

Head, foot and lumbar adjustable

3 programmable positions

3 Preset Positions: 2 anti-snore and zero gravity

Built-in massage feature

Speaker system with wireless connectivity

Multi-color lighting with nighttime motion sensor

App compatible

Includes wireless remote

Note: Purchasing mattress and foundation from two different brands may void warranty; check warranty for details

*Adjustable Base only, all other products sold separately. Images may not depict actual size.

Useful Documents
Specifications

General Specs

Color-Finish NameBlack
Mattress SizeKing
Width (in.)75.75
Width (cm)192.41
Length (in.)79.25
Length (cm)201.3
Height (in.)15.38
Height (cm)39.07
Shipping Width (in.)76
Shipping Width (cm)193.04
Shipping Depth (in.)40.88
Shipping Depth (cm)103.84
Shipping Height (in.)7.25
Shipping Height (cm)18.42
Weight Kilogram101.6
SeriesM8X3
Manufacturer WarrantyLimited Lifetime

Additional Dimensions

Fully Reclined Height:42.5" / 107.95cm
Reclined Footrest Height:21.5" / 54.61cm
Cord Length:63.63" / 161.62cm