Breville BMO850BSS Smooth Wave Microwave Oven, Brushed Stainless Steel | Cook smarter, not louder with this countertop microwave with inverter that delivers steady power for precise results
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Availability:
Only 10 left in stock, order soon!
Arrives
Monday, Aug 24
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Features
- The Breville Smooth Wave Microwave takes the guesswork out of cooking with Sensor iQ technology and 15 in-built smart presets, including Smart Cook, Smart Defrost and Smart Reheat; Engineered with 80% quieter soft close door and 50% quieter in operation
- SENSOR iQ TECHNOLOGY: Automatically adjust power to precisely cook or reheat; Countertop microwave's Smart Reheat feature detects steam released and automatically sets specific time for delicious results; Kitchen appliance understands your cooking needs
- POWER SMOOTHING INVERTER: Microwave automatically adjusts power intensity and delivers smooth, even power when you need more or less; Reheat pizza slices, soup and lasagna with precision; Defrost meats and meals without overheating and drying out edges
- SMART COOK, REHEAT & DEFROST: Featuring 15 in-built smart presets putting all the power at your fingertips; Smooth, low temperature delivers heat evenly without overheating and drying out so you can cook with ease, precisely reheat and delicately defrost
- QUIET MICROWAVE WITH SOFT CLOSE DOOR: Countertop microwave has 80% quieter soft close door and is 50% quieter in operation; Clever touches like Child Lock, Breville Sound Suite and Mute button mean less beeps and clangs, more pops and crunches
- SHORTCUTS AND ONE TOUCH AUTO SETTINGS: Countertop microwave oven has shortcuts panel on inside door for common tasks such as melting chocolate, softening butter, reheating pizza and more; Set your favorites with one touch and get delicious results
- A BIT MORE AND CHILD LOCK: Press 'A Bit More' button on countertop microwave to add extra time and get food right without having to start a whole new cycle; Keep your kitchen secure and protect your child with one touch security feature Child Lock button
- SETTINGS: Smart Cook, Smart Defrost, Smart Reheat, A Bit More, Child Lock, +30 Instant Start, Turntable Off and Shortcuts Panel
- WARRANTY: 1 Year Limited Product Warranty; Power: 1250 Watts; Voltage: 120 Volts; Capacity: 1.2 cu.ft/34L
Description
Breville Smooth Wave Microwave BMO850BSS, Brushed Stainless Steel
Brand: Breville
Product Dimensions: 19"D x 20.43"W x 12.44"H
Color: Brushed Stainless Steel
Capacity: 1.2 cubic feet
Special Feature: Child Safety Lock
Recommended Uses For Product: Residential
Installation Type: Countertop
Wattage: 1250 watts
Material: Stainless Steel
Included Components: Instruction booklet
Additional Features: Child Safety Lock
Wattage: 1250 watts
Controller Type: Button
Power Consumption: 1250 watts
Voltage: 120 volts_of_alternating_current
Human Interface Input: Buttons
Number of Power Levels: 15
Timer Function: Timer Function Available
Energy Consumption: 1250 watts
Heating Method: microwave radiation
Defrost System Type: Defrost
Cooking Program: Smart Cook, Smart Defrost, Smart Reheat
Frequency: 60 hertz
Number of Programs: 15
Item Dimensions D x W x H: 19"D x 20.43"W x 12.44"H
Capacity: 1.2 cubic feet
Item Weight: 34.2 pounds
Turntable Diameter: 8.75 inches
Color: Brushed Stainless Steel
Brand Name: Breville
Recommended Uses For Product: Residential
Installation Type: Countertop
Included Components: Instruction booklet
Import Designation: Imported
Model Name: Smooth Wave
Model Number: BMO850BSS
Global Trade Identification Number: 77
Number of Items: 1
Manufacturer: Breville
UPC: 021614800077
Unit Count: 1 Count
Item Type Name: Countertop Microwave Oven
Manufacturer Part Number: BMO850BSS1BUC1
Warranty Description: 1 year limited warranty
Material Type: Stainless Steel
Inner Material: Brushed Stainless Steel
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Aug 24
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
This is my long-term review of the Breville Inverter Microwave Oven, which I’ve been using since 2021. For some background, Breville is an Australian brand known as Sage in the Australian, Uk and parts of Europe. What sets Breville apart is their attention to design and technology that genuinely meets everyday needs. They originally gained fame for their coffee makers, but over time, they’ve expanded into high-quality kitchen appliances. I chose this particular microwave because I wanted a stainless steel model with inverter technology — but without any extra functions like air frying, since I already own a separate air fryer. The build quality is very good — but not as heavy-duty as some GE , Panasonic or LG models, but solid and well-balanced. It has a stainless steel exterior that still looks great after years of use. I use this microwave multiple times a day for everything from breakfast to dinner, and it’s held up incredibly well. There have been no mechanical or technical issues, and it still performs like new.The display is large and clear, and although I’ve read some users had display failures, mine has worked perfectly since day one. The buttons are very responsive, and both control dials (one for time and one for power level) still work smoothly. This microwave features inverter technology, which means it provides continuous, even heating instead of cycling on and off like traditional models. That makes it excellent for defrosting, melting, and reheating food evenly without cold spots. The defrost mode works beautifully — I use it regularly for meat and frozen meals, and the results are consistently even. This model warmsford fast and evenly without any burn point. It is not perfect as I have yet to find any microwave that has issue with overpower or under power. However I find that it is well balanced power delivery to the food which warms the food evenly.There’s also a convenient “Add 30 Seconds” button, and you can turn off the turntable if you’re heating something large. The display indicators are helpful too, showing which power levels correspond to melting, defrosting, and reheating. The interior is easy to clean, and after years of daily use, it shows no stains, burns, or discoloration. The handle design is another plus — easy to grip and far more durable than the push-button doors found on many other microwaves.The microwave also features small raised feet, which give it slight elevation for better airflow and cooling. The air exhaust vents are positioned at the bottom, which helps manage heat and odors efficiently. After using this Breville microwave for several years, I can confidently say it’s one of the reliable and thoughtfully designed kitchen appliances I own. I also considered LG and Panasonic, which use similar inverter technology, but I found the Breville offers the best balance of design, usability, and performance.It’s stylish, durable, easy to clean, and incredibly consistent in performance. If you want a high-quality microwave that will last for years, this Breville model is an excellent investment.
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Reviewed in the United States on October 28, 2025 by SMH
We've Breville fans and this microwave is up there with typical Breville quality and ease of use. It is a lot easier to soften or melt butter than with the old-style on/off microwaves. It looks great and the rarely-used buttons are hidden under the door, making for a cleaner, easier-to use control panel on the outside. There are two annoying things about it: (1) when it's done cooking, you can't just open the door. You have to push the unlock button. This is annoying. (2) it forgets the settings if you loose power. WTF ?!? We hate beeps and have all the beeps turned off. However, if we lose power or unplug the microwave for some reason, it forgets, the beeps all come back, and we have to re-figure out how to turn the beeps off.
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Reviewed in the United States on June 29, 2026 by Andy G.
UPDATED: So after fixing this thing two years into its working life, the transformer blew out today, three years after I bought it. Despite the design touches and user interface that make this such a nice microwave, it’s hard to justify 400 bucks for such an unreliable appliance, especially when so many others are afflicted with the exact same problem. I’m revising my rating to one star and searching for a replacement. ORIGINAL REVIEW: This is a beautiful countertop appliance, and the interface is super clever and intuitive. The soft close feature was my favorite detail of this oven, but it stopped working in the first six months I owned it. Didn't want to deal with returning it, so I just ignored it. Then, after two years, I got the dreaded E-05 error so many people have reported and it stopped heating, even while all other features worked just fine. After some research, I narrowed the cause of the problem to two possible causes: the magnetron (an expensive and time-consuming fix), and the lower door switch (a cheap and easy fix). I bought a set of door switches (12 for $7.99 on Amazon) replaced the culprit in about 5 minutes, and all is well again. I'm very happy with this microwave, but I realize taking it apart and fixing it is both dangerous and difficult for most people, and would be unnecessary for most other brands after just two years of use. So despite my satisfaction with the unit, I find it hard to give it more than 3 stars for anyone looking for a quality high-end microwave. I hear Panasonic makes some impressive units.
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Reviewed in the United States on May 11, 2024 by Coffee Guy 676
Bought this on Amazon and returned after I read it needed clearance of 8in on all sides and top. I didn’t even take the microwave out of the box! I also thought it was too big. Both were incorrect. The next microwave I bought was horrible. Frozen dinner was over cooked in some areas and other areas not cooked at all. Returned that microwave oven too. Went to Best Buy and didn’t realize but we purchased the Breville I bought in the first place on Amazon!!!! My husband and I love this Microwave oven. Cooks frozen dinners to perfection. The size is perfect. Fits perfectly under and cabinet on the counter top. I love the care that was taken in to developing this Microwave oven. Only con is the light color on the small lights. I keep a pair of cheap glasses near by to help if needed. Other than that the microwave oven is perfect. I have the Breville smart oven that sits next to it. They look great together. Love the all stainless steel. I also like that you turn knobs to adjust the time of cooking and power. Much better than touching a pad. As the pad over time gets very dirty and hard to clean without turning on the machine. Turning a knob is much cleaner and safer and easy to use. It is the perfect wattage of 1250 wattage of power. I highly recommend this microwave oven. For its ease of use and great results in all the foods we have tired .
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Reviewed in the United States on September 1, 2025 by cathy k
1. FANTASTIC VISIBILITY WHILE COOKING: You can watch the progress of the brightly-illuminated contents through the window. This is the #1 most important feature that I was looking for, especially after limping along for a couple of years with a model that provided zero visibility. It's hard to shop for microwaves with this feature. I don't know why. Ads for products don't mention it, customer reviews don't mention it, and when I asked the question, people launched into explanations about how microwaves require a protective mesh that cuts down on visibility, or gave non-answers like "I think so but I'm not sure." You're not sure? You looked through the window, but you're not sure whether you could see your soup bubbling up and flowing over the edge of the mug? Doesn't anyone else want to catch their cup of tea or bowl of soup before it spills over? No? Just me? OK. Well, for those of you who don't like cleaning up spilled liquids every other day, I'm providing details about visibility. The light inside the machine is very bright, remains lit during the entire cooking operation, and is placed between you and the cooking material so that you can see when the first bubble arises in the liquid or when the butter or chocolate first begins to slump in the melting process. The interior is shiny silver metal, which helps to light up the cooking item even more. The protective mesh is not so thick and dense that it prevents you from seeing these events, as it was in the microwave that this one will replace. There are some caveats to visibility, though. I found that where I placed the machine made a difference to how well I could see inside. I wanted to place my machine on a shelf just level with my eyes, with a bright window behind it, and with a wall-length mirror behind ME. The problem with this setup is that no matter where I stand, my brightly-lit face is reflected in the smooth glass. Meanwhile, the mirror behind me reflects the light from the window behind the machine. However, when I first unboxed the machine, I set it up to test it in a darker place with no backlighting from either direction, on a shelf at waist-height. In this configuration, I could see everything perfectly. I should mention that placement and room lighting did NOT matter to my old microwave that didn't permit visual monitoring of the food; no matter how dark the room, I couldn't see inside it, even though it is equipped with a bright light. In that case, the mesh on the window was the problem (though I can't explain what is different about it). 2. SILENCE You can turn off all the sounds this oven makes. Most microwaves make loud, rude BEEEEEPs for every keypress and then give a long, drawn-out series of beeps to tell you cooking is done. Then if you don't attend to the oven promptly enough, you get the whole series of beeps again until you comply. Since I stand in front of the microwave to do my operations, most of which are 30 seconds or less long, I don't need to be reminded to remove the contents. Normally I just need silence, no alerts or nagging necessary. Turning off the sounds is easy and quick--no reading of the manual for codes or sneaky techniques necessary. Press mute and you are done. And these are quiet chimes, not loud beeps. The ending notification is just a single chime, not a long plaintive series trying to call in you in from the moors. If you prefer to have audible notifications, at least they are more pleasant and less alarming, and you can't hear them several rooms away. SOFT-CLOSE DOOR 3. This is a great feature. I don't cook in the middle of the night when others could be disturbed, so the noise of doors opening and closing isn't an issue in my house. But as I mentioned, most of my experiments are with liquids in little shotglasses. I need the liquids to not be sloshed out of the glass due to door slamming; the magnetic self-closing door closes softly and without causing eruptions. I was leery of the pull-handle, which is what my old microwave had, because opening the door also caused sloshing. But this one opens easily enough that this doesn't happen, so I'm happy with it. 4. ANALOG CONTROLS In other words, dials, not number key pads. The default time is set to 30 seconds. A quick twist to the left/counterclockwise reduces the time, to the right increase the time. You don't have to hunt for the right number keys and press them individually. And the dial is instantly responsive just like a real analog dial or a steering wheel on a car, even though the time is selected digitally. (This is as opposed to my LG washing machine, which also has a fake analog dial, but incongruently requires several full twists of the dial to move the selection.) It's so much faster to use a dial for this operation that I'm shocked that keypads have been the standard for so many decades. Sometimes analog is just better, even if it *looks* less high-tech and futuristic. The power dial works similarly; the default power is 100%, which a quick nudge counterclockwise reduces in increments of 10. The screen shows the typical use for each power level, like reheat and melt, which is handy. Since my work day consists of many microwave blasts of 5-8 seconds at a time, I was worried that the time control would not be fine enough for my purposes. But it is. You can run the oven for 1 second if that's what you need. Primo! I haven't done enough experimenting with the pre-programmed buttons to say anything about them, and I haven't set up a custom program. It looks to me like I can only program a single custom program, which is a little disappointing, since I have about 5 primary types of runs that I'd like to have on speed dial, but I'm not sure about that yet. I might also be able to use the presets for my purposes once I become familiar with them. I'll try to remember to check back in here with an update. For now, I'm extremely happy with this machine. It's what all microwaves should be.
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Reviewed in the United States on September 14, 2023 by carobearo
So far this has worked well, is attractive and has good features. Have been using multiple times daily for several months. Heats more evenly that other microwaves I have had. Follow the manuals directions to place items not directly in center of turntable for most even heating. Popcorn takes a bit longer but it burns way less than my other machines. The dials are really intuitive and way better than touchpads. Happy with this purchase. The only thing I don’t love is that it locks and you have to press a small button to unlock to get items out. I don’t know why I am not more used to that by now. I always try to open it and then remember I have to press the unlock button.
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Reviewed in the United States on May 24, 2026 by MamaZ
I'm originally from Ireland, so I've known Breville, or Sage as he's known over there, for most of my life. They've always had a reputation for quality and reliability, and this microwave really lives up to that. We bought it a few months ago to replace a standard mid-range model, and the difference is immediately noticeable. It looks great, but more importantly, it feels high quality and well built. The controls are clear and responsive, and the door has a smooth, quiet closing that makes it feel like a premium product. You can soften all the beep, which I didn't know I needed until I had it. The reheating and cooking sensor presets work better than I expected. I usually don't trust those kinds of features, but this one gets it right more often than not. The "A Bit More" button is simple, but it's actually something we use regularly. The light inside is bright, and you can clearly see your food while it's cooking, no guess if it's about to boil over. It's not the cheapest microwave, but it doesn't feel cheaply made either. We haven't had a single problem with it so far, and it's one of those appliances that you don't have to think about, and that's what I want in a kitchen appliance. Breville gets the basics right and then goes above and beyond, and for me, that's what makes this a great buy.
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Reviewed in the United States on July 29, 2025 by Niall
This is the best microwave by far. Love it because the defrost of meats is point on. Settings is great. The door shuts like magic with no effort at all. The price is well worth it. The best ever and i dont regret the price at all. Donnie H
Reviewed in the United States on July 22, 2026 by Donald H.