Introduction
Thank you for choosing the MCombo Zero Gravity Power Reclining Sofa. This manual provides essential information for the safe and efficient use, assembly, and maintenance of your new sofa. Please read it thoroughly before assembly and operation, and retain it for future reference.
Safety Information
Important Safety Instructions:
- Keep the sofa away from open flames or high heat sources to prevent fire hazards.
- Supervise children and pets closely to avoid entrapment risks, especially during reclining operations.
- Ensure all electrical connections are secure and properly installed before use.
- Do not attempt to disassemble or repair the electrical components yourself. Contact qualified personnel for service.
- Avoid placing heavy objects on the footrest when it is extended.
- Do not stand on the sofa or use it as a step stool.
Product Overview
The MCombo PR648 Zero Gravity Power Reclining Sofa is designed for comfort and convenience, featuring multiple reclining positions, heat and vibration massage, USB charging ports, and cup holders.

Image: The MCombo PR648 Zero Gravity Power Reclining Sofa, a three-seater unit in beige fabric, showcasing its plush design and integrated features.

Image: A family of three and a dog relaxing on the MCombo Zero Gravity Power Reclining Sofa, demonstrating its comfort and spaciousness in a living room setting.
Key Features:
- Zero Gravity Design: Power recline to TV modes or the 155° standard zero gravity angle for optimal relaxation.
- Durable Construction: Features an industry-leading reclining mechanism with a reinforced steel and FSC-certified wood frame, anti-tip design, and overstuffed cushioning.
- Triple Seater with Two Recliners: Provides individual seating comfort with two dedicated reclining seats.
- Lumbar Heat & 6 Vibrating Massage Nodes: Offers personalized massage with adjustable modes, intensities, and timer settings, along with targeted lumbar heating.
- Convenience Features: Includes dual cup holders, armrest loops, and USB charging ports for easy access to essentials and device charging.
- Extended Footrest: Designed to cradle calves, preventing dangling or numbness, suitable for users between 5'1"-5'9".
- Plush & Durable Fabric: Wrapped in ultra-soft, long-pile fabric for comfort and durability.
Video: An overview of the MCombo power recliner sofa, demonstrating its reclining function, heat, and vibration massage features. This video highlights the comfort and functionality of the PR648 model.
Video: A close-up demonstration of the ultra-soft and durable plush fabric used in the MCombo sofa, emphasizing its texture and quality. This short clip provides a tactile impression of the material.
Setup
The MCombo Zero Gravity Power Reclining Sofa is designed for easy assembly. All parts are packed in 4 boxes for convenient movement through doorways. Assembly typically requires two people.
Assembly Steps:
- Unpack Components: Carefully remove all parts from the boxes. Ensure all components listed in the packing list are present.
- Connect Bases: Connect the two bases using the provided steel iron sheet and screws. Firmly tighten all screws for a secure fit.
- Attach Armrests: Insert the two brackets on each armrest downwards onto the seat. Ensure both connections are tightly inserted and fully depressed to secure.
- Secure Backrests: Align the backrest with the base brackets and press down to secure. Listen for a click on each side to confirm the backrest is properly locked.
- Wire Connections: Connect the massage wiring, recline remote wiring, and USB & buttons wire. Tie up any loose wires for safety and neatness. Connect the power adapter and ensure the power switch is on.
Video: A detailed step-by-step guide on how to install the MCombo PR648 sofa. This video covers connecting the bases, attaching armrests, securing backrests, and making all necessary wire connections for full functionality.
Operating Instructions
Your MCombo sofa offers various functions for enhanced comfort. Familiarize yourself with the controls for optimal use.
Reclining Function:
- Locate the power recline buttons on the side of the armrest.
- Press the 'up' arrow to recline backward or the 'down' arrow to return to an upright position.
- The sofa can recline to various positions, including TV mode and the 155° Zero Gravity position, where your legs are elevated to align with your heart.

Image: The MCombo PR648 sofa demonstrating its range of recline positions, from upright to fully reclined, including the Zero Gravity position.
Heat and Vibration Massage:
- Use the wired remote control, typically stored in the side pocket, to operate the heat and massage functions.
- Press the 'HEAT' button to activate lumbar heating. The heat function operates for a set duration (approximately 5 minutes).
- The massage function features 6 vibration nodes and multiple modes. Use the remote to select massage modes, adjust intensity (L/M/H), and set a timer (10/20/30 minutes).

Image: A close-up of the wired remote control for the MCombo sofa, showing buttons for power, heat, massage modes, intensity, and timer settings.
USB Charging Ports:
- Two USB charging ports are located on the side of the armrest.
- Connect your devices to these ports to charge them conveniently while relaxing on the sofa.
Maintenance
Proper care and maintenance will extend the life of your MCombo sofa.
Cleaning Instructions:
- For general cleaning, wipe the fabric with a dry cloth.
- For tougher stains, spot clean with a damp cloth using mild soap and lukewarm water.
- Avoid using harsh chemicals, abrasive cleaners, or excessive water, as these can damage the fabric and internal components.
- Allow the fabric to air dry completely after cleaning.
General Care:
- Regularly check and tighten any loose screws or connections.
- Avoid direct sunlight exposure to prevent fading of the fabric.
- Keep sharp objects away from the sofa to prevent tears or punctures.
Troubleshooting
If you encounter any issues with your MCombo sofa, refer to the following common troubleshooting tips:
- Sofa Not Reclining: Ensure the power adapter is securely plugged into a working outlet and the sofa's power switch is turned on. Check all wire connections underneath the sofa to ensure they are firmly connected.
- Heat/Massage Not Working: Verify that the massage remote is properly connected and the power is on. Check if the remote's battery (if applicable) needs replacement.
- USB Ports Not Charging: Confirm the sofa is powered on and the USB wire is correctly connected. Try a different USB cable or device to rule out external issues.
- Unusual Noises During Recline: Inspect the reclining mechanism for any obstructions. Ensure all assembly screws are tightened. If the noise persists, contact customer support.
If these steps do not resolve the issue, please contact MCombo customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | MCombo |
| Model Number | PR648 |
| Product Dimensions | 36.6"D x 81.5"W x 42.5"H |
| Item Weight | 277.2 Pounds |
| Weight Limit | 960 Pounds |
| Seating Capacity | 3 |
| Reclining Seat Count | 3 |
| Reclining Position Count | 3 (including Zero Gravity) |
| Upholstery Fabric Type | Polyester Blend |
| Color | Beige |
| Special Features | Cup Holder, Massage and Heated, Power Recliner, Side Pocket, Zero Gravity |
| Assembly Required | Yes (Recommended 2 people) |
| Furniture Wall Clearance | 7.9 Inches |
| Warranty Type | Limited |

Image: Detailed diagram showing the dimensions of the MCombo PR648 sofa, including height, width, depth, seat depth, and required wall clearance for reclining.
Warranty
The MCombo Zero Gravity Power Reclining Sofa is backed by a 2-Year Limited Warranty. This warranty covers:
- Reclining mechanisms
- Electrical systems
- Upholstery & cushions
- Frame structures (wood/metal)
Free replacements are provided for covered components during the warranty period. Please retain your proof of purchase for warranty claims.
Customer Support
For any questions, concerns, or assistance with your MCombo Zero Gravity Power Reclining Sofa, please contact MCombo customer support. Our team is available to help with assembly, operation, troubleshooting, and warranty claims.
Please visit the official MCombo website or refer to your purchase documentation for specific contact details.





