Our take
Sharp AX-1100S is a countertop 1.0-cu.-ft. combination oven with microwave, steam, and grill modes. Its manual lists 900 W microwave output, 900 W steam-heater output, and a separate 1,100 W grill-heater rating, plus 120 V/60 Hz, sensor microwave programs, and eleven power levels. This is a meaningfully different purchase from a conventional compact microwave, but the extra steam capability brings routine water-tank, drip-tray, and descaling work. The historical ASIN is unverified.
Compare AX-1100S when you want microwave, steam, and grill capability in a countertop unit and are prepared for the larger footprint and extra steam-care routine..
Choose a simpler microwave if you want a shallow, light appliance, a known turntable diameter, minimal cleanup, or no water-tank and descaling routine.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- Sharp documents microwave, steam, and grill modes in one countertop unit, with sensor cooking and eleven microwave power levels.
- The manual distinguishes 900-W microwave output from steam and grill heater ratings and specifies 120 V/60 Hz.
- Exact cavity and body dimensions plus a 44-lb. weight make the fit question concrete before buying.
What to weigh up
- Its 19-5/8-in. body depth and roughly 44-lb. weight require more counter depth and support than a small microwave.
- Steam use requires filling and emptying a water tank, emptying the drip tray, drying the cavity, and periodic descaling.
- The exact finish, tray diameter, and current Amazon ASIN mapping are not verified in the reviewed sources.
The key details
| Model covered | AX-1100S |
|---|---|
| Capacity | 1.0 cu. ft. stated capacity; the manual lists 13-1/2 × 8 × 15-in. cavity dimensions and about 44 lb net weight. |
| Microwave output | 900 W microwave output under IEC procedure; 900-W steam and 1,100-W grill heater ratings are separate modes. |
| Cooking approach | Microwave sensor programs and eleven power levels plus steam cooking and grill modes are documented in the exact-family manual. |
| Installation options | Countertop placement; body dimensions are 20-1/2 W × 13 H × 19-5/8 D in. and electrical supply is 120 V/60 Hz. |
| Finish and turntable | Exact candidate finish and turntable diameter remain unknown; the model suffix AX-1100S must stay distinct from AX-1100R. |
Performance figures are manufacturer claims. Source checked October 8, 2026. Regional models and included accessories can differ.
What the features mean for you
Why is AX-1100S more than a standard microwave?
Sharp titles the official manual as a steam oven with microwave and grill function and names the AX-1100S/1100R family. The candidate model is the S variant; keep it separate from AX-1100R even though the shared manual covers both. The appliance combines conventional microwave operation with steam cooking and grill, which can reduce the need to switch between separate countertop appliances. Those modes also mean more parts, instructions, and cleanup than a microwave-only box. Choose it for those documented functions, not because a combination label guarantees better cooking results.
Which power rating belongs to which cooking mode?
The manual identifies 900 W as microwave output and lists the steam heater at 900 W and grill heater at 1,100 W. These are different mode ratings; the grill heater's larger number is not microwave output. The source also lists electrical input separately as 1,500 W / 13 A for microwave operation and 1,150 W / 9.6 A for grill/steam. Keep output and electrical requirements distinct when comparing this unit to a 900- or 1,000-W microwave. A stated rating is a comparison point, not a measured cooking-time result.
What does the one-cubic-foot cavity actually fit?
Sharp lists 1.0 cu. ft. capacity, a 13-1/2 × 8 × 15-in. cavity, and outside dimensions of 20-1/2 × 13 × 19-5/8 inches. The oven weighs about 44 lb. The cavity dimensions are more useful than capacity alone when checking a particular casserole or tall dish, but the manual does not establish a tray diameter for the source variant. Its deep body can extend farther across a counter than many compact microwave models. Measure the shelf, depth, ventilation space, and door swing, and confirm the work surface can support the oven and food.
What routine comes with steam cooking?
The manual requires fresh water in the removable tank for steam operation and instructs users to empty and wash the tank afterward. It also calls for an installed drip tray, which should be emptied and cleaned after cooking, and says to wipe condensation from the cavity. After some steam programs, the Drain Water function is required at least daily. When the display signals scale, Sharp describes a roughly one-hour descaling and rinse cycle. This is a real maintenance trade-off: buyers who want a quick wipe-down microwave may prefer a simpler model, while people who will use steam should account for this routine.
Does the electrical documentation match a U.S. outlet?
Sharp's manual specifies single-phase 120 V, 60 Hz AC and gives separate current requirements for microwave and grill/steam operation. That confirms the voltage/frequency part of the standard U.S. supply filter. It does not verify the exact circuit condition, grounding, plug fit, or installation in a particular kitchen. The model is documented for countertop placement, not a built-in trim-kit route; do not plan a cabinet installation from the SteamWave name or a reseller photo. Follow the clearances and warnings in the exact manual.
How does it compare with a microwave-only option?
Cuisinart CMW-100 is another 1.0-cu.-ft. countertop model, but it documents 1,000-W microwave output, touch controls, two-stage microwave cooking, and a 12.4-in. turntable without the Sharp's steam and grill modes. The Cuisinart is a simpler comparison if you want microwave functions and a measured tray; the Sharp adds steam/grill versatility at the cost of a deeper body and active water-system maintenance. The AX-1100S's tray diameter remains unknown, so compare cookware using the cavity dimensions rather than assuming the Cuisinart measurement applies.
What should be confirmed on a current listing?
The saved source row associates AX-1100S with B004UH3FBK, but the exact Amazon page did not establish a current model mapping. This review therefore links to an Amazon search for the full AX-1100S code with the required tag. Verify the S suffix, finish, accessories, and condition shown for the actual item. The shared manual's AX-1100S/1100R title supports the family documentation but does not prove that any current offer is the exact variant. No stock, price, seller rating, or buyer-review summary is claimed.
What else to compare
Cuisinart CMW-100 is a microwave-only 1.0-cu.-ft. comparison with 1,000-W output and a documented 12.4-in. turntable. Sharp AX-1100S adds steam and grill but needs a deeper counter, weighs about 44 lb., and brings water-system cleaning and descaling. Choose between the broader modes and the simpler maintenance routine.
Before you buy
What are the separate cooking outputs?
Sharp lists 900 W microwave output, a 900-W steam heater, and a separate 1,100-W grill heater.
Is the model suitable for a standard U.S. outlet?
The official manual specifies 120-V/60-Hz AC; verify the required circuit, grounding, and installation instructions.
What care does the steam function require?
Fill and empty the water tank, empty and wash the drip tray, dry the cavity, and run descaling when the display indicates scale.
How deep is the oven?
The manual lists a 19-5/8-in. outside depth and a roughly 44-lb. weight, so measure the counter and its support.
Is B004UH3FBK verified as the current model?
No. The historical ASIN mapping was not confirmed; use the tagged AX-1100S search and check the exact suffix.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources & review basis
We use the following manufacturer documentation for the product features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- Sharp AX-1100S/AX-1100R official SteamWave operation manual; exact source title names AX-1100S ↗ — checked October 8, 2026.
- Official Sharp AX-1100S/1100R SteamWave manual: model family, cooking modes, electrical supply, output ratings, dimensions, sensor operation, and steam maintenance ↗ — checked October 8, 2026.
- Exact AX-1100S model specification page corroborating countertop combination configuration ↗ — checked October 8, 2026.
- Historical Amazon ASIN reference; exact current model mapping was not verified ↗Paid link · We may earn a commission. — checked October 8, 2026.
The decision
Choose Sharp AX-1100S if microwave, steam, and grill modes are useful enough to justify the 19-5/8-in. depth, roughly 44-lb. body, and water-system care. Its manual documents 1.0 cu. ft., 900-W microwave output, sensor programs, and 120 V/60 Hz. The turntable diameter, finish, and historical ASIN mapping remain unknown.
Is it the right fit?
Check the exact model and today’s offers on Amazon.