MassaMAX MT339 4D Massage Chair or MassaMAX MT398 4D Full Body Massage Chair? Which MassaMAX Model to Buy
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Choosing between the massamax mt339 4d massage chair vs mt398 4d full body massage chair depends on your space and control preferences. Both chairs share 4D massage mechanisms, SL-track coverage, and zero-gravity reclining features. The MT339 focuses on cloud updates and lower back heating. The MT398 offers extended track length, dual-zone heat, and voice control. You need to decide which feature set better matches your physical needs and room layout.
Key differences
| Aspect | MassaMAX MT339 4D Massage Chair | MassaMAX MT398 4D Full Body Chair |
|---|---|---|
| Heat Zones | Lower back | Backrest, calf rests |
| Track Length | SL-Track (50% larger area) | 55-inch SL Track |
| Control Method | Not listed | AI voice control, touchscreen |
| Special Features | OTA Cloud updates | Child lock, yoga stretching |
| Dimensions | 60.6 inches long | 64.6 inches long |
Which one should you choose?
Choose MassaMAX MT339 4D Massage Chair if
- You want regular software updates to access new massage programs via the cloud.
- You prefer targeted warmth specifically for lower back strain relief.
- You have a slightly smaller room and need a chair under 61 inches long.
Choose MassaMAX MT398 4D Full Body Chair if
- You want hands-free operation using AI voice commands.
- You need heat therapy for both your back and your calves.
- You prefer a longer track that reaches further down the legs.
Verdict: The MT339 suits those who value evolving software and compact sizing. The MT398 is better for users wanting voice control and broader heat coverage. Both provide full-body 4D massage and zero-gravity comfort.
MT339 vs MT398 Key Specs
Heating zones
The MassaMAX MT339 limits heat therapy to the lower back. This graphene heating targets occasional and chronic strains in one specific area. The MassaMAX MT398 offers dual-zone soothing heat therapy. It places carbon fiber heating in both the backrest and the calf rests. This design maintains a gentle temperature to enhance blood circulation in two distinct areas. If you need warmth for your legs as well as your back, the MT398 provides broader coverage. The MT339 keeps the thermal focus strictly on the lumbar region.
Track length
Both chairs utilize an SL-track to extend massage coverage from the neck to the thighs. The MassaMAX MT398 specifies a 55-inch extended SL track. This precise measurement ensures consistent reach along the spine. The MassaMAX MT339 description highlights an SL-track that increases the massage area by 50% compared to standard models. It does not provide a specific inch measurement for its track length. The MT398 offers concrete dimensions for its reach. The MT339 emphasizes the relative improvement in coverage area without exact numbers.
Control method
The MassaMAX MT398 includes AI voice control as a primary interaction method. You can use hands-free operation by telling the chair your demands. It also features a touchscreen controller with a built-in child lock function. The MassaMAX MT339 highlights OTA cloud technology for program updates but does not list voice control in its features. It relies on intelligent shoulder detection to adjust massage positions. The MT398 provides a more modern, hands-free interface option. The MT339 focuses on software evolution rather than voice interaction.
Software updates
The MassaMAX MT339 emphasizes OTA cloud technology to keep the chair current. You can access an expanding library of 27+ professional massage programs via the cloud server. New sequences are added regularly through seamless over-the-air updates. This ensures the massage experience evolves with the latest wellness techniques. The MassaMAX MT398 does not mention cloud connectivity or OTA updates in its provided specifications. It focuses on hardware features like voice control and heating. If you want software that grows over time, the MT339 has the advantage.
Physical dimensions
The MassaMAX MT398 is taller and longer than the MT339. The MT398 measures 47.2 inches in height and 64.6 inches in length. The MassaMAX MT339 stands at 44.6 inches tall and 60.6 inches long. Both share the same width of 29.9 inches. The MT398 weighs 190 pounds, while the MT339 is slightly heavier at 192 pounds. The MT398 offers a larger footprint and greater vertical clearance. The MT339 is more compact in height and length. Consider your available floor space and ceiling height when choosing between these two sizes.
Choose the right MassaMAX model for you
Users wanting hands-free voice control
The MT398 includes AI voice control. You can operate the chair without touching the screen. This feature allows for immediate program starts based on your spoken demands. The MT339 lacks this voice interface. If you prefer speaking commands over manual buttons, the MT398 provides a more convenient control method for your daily routine.
Buyers seeking regular software updates
The MT339 supports OTA cloud technology. This feature lets you access 27 plus professional massage programs via the cloud server. New sequences are added regularly through seamless updates. Your massage experience evolves with the latest wellness techniques. The MT398 does not mention this cloud update capability. If you want fresh programs over time, the MT339 is the better choice.
Shoppers needing calf heat therapy
The MT398 features dual-zone soothing heat therapy. It places carbon fiber heating in both the backrest and the calf rests. This helps loosen tight knots in your lower legs. The MT339 limits heat therapy to the lower back only. If you want warmth for your calves as well as your back, the MT398 offers more comprehensive thermal coverage for your muscles.
The products compared
MassaMAX MT339 4D Massage Chair
Best for: Full-body SL-track coverage and OTA updates
- Massage Mechanism
- 4D
- Track Type
- SL-Track
- Body Scanning
- Body scan
- Heat Zones
- Lower back
- Control Method
- App, AI voice control
- Recliner Type
- Zero Gravity
View on Amazon: MassaMAX MT339 4D Massage Chair Affiliate link
The MassaMAX MT339 is an X-Large 4D massage chair with an SL-track and zero-gravity recline. It features 32 airbag points, lower back graphene heating, and OTA updates for new programs. The intelligent shoulder detection adjusts massage positioning. This model suits users seeking full-body coverage and advanced massage mechanics in a spacious design.
Pros
- 4D massage mechanism with 27 modes and 5 techniques
- SL-track extends from neck to thighs for 50% more coverage
- 32 airbag points with three pressure levels for shoulders, arms, feet, and buttocks
- Lower back graphene heating therapy for chronic strains
- OTA cloud technology adds new massage programs over time
Cons
- Heating is limited to the lower back only
- Foot massage relies on rollers and airbags without dedicated shiatsu nodes
- Intelligent detection adjusts position but does not specify full body scan range
Good fit if
- You need a chair that covers the neck down to the thighs
- You want to access new massage programs via OTA updates
- You prefer lower back heat therapy for strain relief
Skip if
- You require heat therapy for multiple body zones beyond the lower back
- You prefer a more compact chair under 60 inches in length
- You want dedicated foot shiatsu rollers instead of airbag compression
Verdict: The MassaMAX MT339 4D Massage Chair offers extensive SL-track coverage and OTA updates for users who prioritize full-body reach and evolving massage programs. It fits those who need lower back heat and zero-gravity recline in a spacious X-Large frame.
MassaMAX MT398 4D Full Body Chair
Best for: Users needing voice control and full-body heat
- Massage Mechanism
- 4D
- Track Type
- SL Track
- Track Length
- 55"
- Body Scanning
- Body scan
- Auto Programs
- 15
- Heat Zones
- Lumbar, calves
View on Amazon: MassaMAX MT398 4D Full Body Chair Affiliate link
The MassaMAX MT398 is an X-Large massage chair with a 55-inch SL track and 4D massage mechanism. It features AI voice control and a touchscreen interface. Dual-zone heat therapy targets the backrest and calf rests. The zero gravity recliner includes full-body airbag massage. This model suits users seeking extensive coverage and hands-free operation for deep tissue relief.
Pros
- 4D massage mechanism with adjustable width, height, depth, and speed
- 55-inch SL track extends coverage from neck to thighs
- AI voice control for hands-free operation
- Dual-zone heat therapy on backrest and calf rests
- Full-body airbag system targeting shoulders, arms, hips, calves, and feet
Cons
- Large footprint at 64.6 inches in length and 29.9 inches in width
- Heavy build at 190 pounds
- No physical remote control listed in specifications
Good fit if
- You need full-body coverage with an extended SL track
- You prefer voice commands over manual buttons
- You want dual-zone heat for back and calves
Skip if
- You have limited floor space for an X-Large chair
- You require a compact design under 60 inches
- You prefer a physical remote for quick adjustments
Verdict: MassaMAX MT398 4D Full Body delivers comprehensive coverage with its 55-inch SL track and 4D rollers. It fits users who prioritize voice control and extensive heat zones over a compact footprint.
Specifications side by side
| Spec | MassaMAX MT339 4D Massage Chair | MassaMAX MT398 4D Full Body Chair |
|---|---|---|
| Massage Mechanism | 4D | 4D |
| Track Type | SL-Track | SL Track |
| Track Length | not stated | 55" |
| Body Scanning | Body scan | Body scan |
| Auto Programs | not stated | 15 |
| Heat Zones | Lower back | Lumbar, calves |
| Control Method | App, AI voice control | Voice control, touchscreen |
| Recliner Type | Zero Gravity | Zero Gravity |
| Features | Heat, Body Scan, Voice Control, App Control | Heat, SL-Track, Foot Rollers, Body Scan, Voice Control |
| Massage Technique | Yoga Stretch | Yoga Stretch |
| Coverage Area | Full Body | Full Body |
| Dimensions | 60.6 × 29.9 × 44.6 inches | 64.6 × 29.9 × 47.2 inches |
| Weight | 192 pounds | 190 pounds |
| Size | X-Large | X-Large |
| Color | Deep Black | Space White |
| Model | MT339 | MT398 |
Frequently asked questions
Which MassaMAX model is better for tall users?
The MassaMAX MT398 is the better choice for taller individuals. Its SL track extends to 55 inches, providing more extensive coverage along the spine. The MT339 also features full-body coverage, but the MT398’s longer track ensures better reach for taller frames. Both models share the same X-Large frame size.
Do both chairs offer zero-gravity recline?
Yes, both the MT339 and MT398 feature zero-gravity recline. This position elevates your legs above your heart to reduce spinal pressure. The MT398 explicitly lists this as a key recliner type. The MT339 also includes this feature to enhance comfort during massage sessions.
How do the physical dimensions compare?
The MT398 is slightly larger in height and length. It stands 47.2 inches tall and measures 64.6 inches in length. The MT339 is 44.6 inches high and 60.6 inches long. Both share the same width of 29.9 inches. The MT339 is slightly heavier at 192 pounds compared to the MT398's 190 pounds.
Is voice control available on the MT339?
No, the MT339 does not include voice control. You must use the physical interface or remote to operate it. The MT398 features AI voice control, allowing you to start programs hands-free. If you prefer spoken commands, the MT398 is the only option with this capability.
Which chair provides heat in the legs?
The MT398 provides heat in the legs. It includes carbon fiber heating in the calf rests alongside the backrest. The MT339 limits its graphene heating to the lower back only. If you need soothing heat for your calves, the MT398 is the necessary choice.
Can the MT339 receive software updates?
Yes, the MT339 supports OTA updates. This allows the chair to receive evolving massage programs and improvements over time. The MT398 focuses on hardware features like voice control and dual-zone heat. The MT339 is ideal if you want your massage software to stay current without manual intervention.
What color options are available?
The MT339 comes in Deep Black. The MT398 is available in Space White. These are the specific color options listed for each model. Your choice may depend on how the chair fits your room decor. Both models maintain the same X-Large size regardless of color.