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Pairs well with
White Glove Delivery Available
1-Year Manufacturer’s Warranty
1-Year Manufacturer’s Warranty
1-Year Manufacturer’s Warranty

Somnerside MT-ADJ303 Adjustable Bed Base 300 Series / E. King
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The Somnerside MT-ADJ303 Adjustable Bed Base 300 Series / E. King is an adjustable bed frame base constructed from metal and fabric that creates a personalized sleep environment. This adjustable base allows you to set it at your desired elevation, helping you create an ideal sleep space for a single adult or a couple. The Somnerside Adjustable Bed Base provides components for sweet dreams. This is an E. King base (one piece), and a mattress is not included, sold separately.
KEY FEATURES
- Programmable Custom Positions: Save your preferred sleep settings for quick access to comfort.
- Smart Massage Function: Enjoy a soothing massage function for enhanced relaxation.
- One Touch Button Presets: Adjust quickly to pre-programmed comfort zones with a single touch.
- Integrated Audio: Includes 2 Bluetooth Speakers and a 100-watt Subwoofer for immersive sound.
- Multi-color LED Lighting: Add ambient light to your bedroom space with versatile color options.
- Remote Control: Operate under-bed motion sensors and other bed functions with the included remote control.
- USB Ports: Conveniently charge your electronic devices with integrated USB ports.
- Ergo Bed App Operation: Control your adjustable bed through the free Ergo bed app on your smart device.
- Mattress Retainer Bar: Keeps your mattress securely in place during base adjustments.
- Adjustable Body Zones: Independently adjust back, neck, lumbar, and leg sections for ergonomic support.
WHERE TO USE
This adjustable bed base is ideal for any bedroom where personalized comfort is a priority. Its modern style blends well with various decor themes, offering a versatile sleep solution for diverse spaces.
DIMENSIONS
- Overall Dimensions: 75" W x 79" D x 14" H (E.King Adjustable Bed Base)
MATERIALS & CONSTRUCTION
- Frame: Metal frame construction
- Upholstery: Fabric cover
- Feet: Cylindrical metal legs
- Remote Control: Plastic remote construction
- Style: Modern
- Assembly Required: Yes
* Photos seen are Twin XL with the same features. King-size photos coming soon. *Features may vary from model to model and from size to size
SKU: MT-ADJ303-EK
MATERIALS & CRAFTSMANSHIP
Every OnlySectionals product is crafted using premium materials chosen for their durability, comfort, and refined appearance.
Our commitment to expert craftsmanship ensures every piece meets the highest standards of quality and long-lasting performance.
SHIPPING INFORMATION
We offer free shipping on every order. Once your purchase is confirmed, your order is carefully prepared and delivered using trusted shipping partners.
Delivery times may vary depending on your location.
RETURNS & EXCHANGES
If you're not completely satisfied with your purchase, you can request a return or exchange within our return period.
Products must be returned in their original condition and packaging.
CARE INSTRUCTIONS
Regular care helps preserve the beauty and longevity of your furniture. Clean surfaces with a soft cloth and avoid harsh chemicals or abrasive cleaners.
Protect your furniture from prolonged direct sunlight and excessive moisture.
SUSTAINABILITY
We believe quality furniture should be built to last. By focusing on durable materials and timeless designs, we encourage responsible consumption and reduce unnecessary waste.
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FAQs
Please read our FAQs page to find out more.
How long does shipping take?
All orders are carefully prepared before shipment. Delivery times vary depending on your location, but most orders arrive within the estimated delivery timeframe provided at checkout.
Does the furniture require assembly?
Assembly requirements vary by product. Any required assembly instructions and included hardware will be provided with your order.
How do I care for my furniture?
To keep your furniture looking its best, clean it regularly with a soft cloth and avoid harsh chemicals. Keep products away from prolonged direct sunlight and excessive moisture.
Is there a warranty?
Yes. Our products are covered by a limited warranty against manufacturing defects under normal residential use. Please refer to our warranty policy for full details.
Are your products suitable for everyday use?
Yes. Every OnlySectionals product is designed to provide lasting comfort, durability, and functionality for everyday living without compromising on style.















