Panasonic Microwave Oven NN-SN966S Stainless Steel Countertop/Built-In with Inverter…
- Countertop Microwave Oven
- 2.2 cu ft
- 1250 watts
- Push button
- More reviewed than 89%
A powerful, evenly heating microwave with a useful sensor and turntable size, undercut by a real pattern of control panel failures reported around the two to three year mark.
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How it ranks among the 85 countertop microwave ovens we track
4.0★ across 5,500 Amazon ratings, Bayesian-smoothed toward the category average.
5,500 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 85 countertop microwave ovens we track - how the scorecard works · full countertop microwave ovens data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 13, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A 1250 watt, 2.2 cubic foot stainless steel countertop or built-in microwave with Panasonic's Inverter Technology and a Genius Sensor that adjusts cooking automatically across 14 preset menu items.
- 1250W, 2.2 cu. ft. capacity
- Inverter Technology for even cooking power
- Genius Sensor with 14 preset menus
- Countertop or built-in installation
Who it's for
Fits households wanting a large capacity, built-in capable microwave with even heating and an automatic sensor for reheating and defrosting. Buyers who have read about panel failures on this model may want to weigh that risk before a built-in installation, which is harder to swap than a countertop unit.
What buyers say
From Amazon customer reviews.
Several owners praise the even, powerful cooking from Inverter Technology and report years of daily reliability, with one calling it still going strong after five years of frequent use. A separate recurring complaint describes the control panel or keypad becoming unresponsive around two to three years of ownership, with some reviewers frustrated by warranty support just after the one year mark.
Strengths and trade-offs
Drawn from this product's published specifications.
- Recurring reports of control panel or keypad failure around 2-3 years
- One reviewer described difficulty getting warranty support after the 1-year mark
Specifications
| Brand | Panasonic |
|---|---|
| Model | NN-SN966S |
| Dimensions & fit | |
| Item Weight | 37 pounds |
| Item Dimensions D x W x H | 19.4 × 23.9 × 14 inches |
| Turntable Diameter | 16.5 inches |
| Capacity & performance | |
| Capacity | 2.2 cu ft |
| Defrost System Type | Defrost |
| Heating Method | microwave radiation |
| Power & efficiency | |
| Wattage | 1250 watts |
| Number of Power Levels | 14 |
| Voltage | 120 volts |
| Energy Consumption | 1250 Watts |
| Power Consumption | 1250 Watts |
| Construction & materials | |
| Material Type | Aluminum |
| Inner Material | Stainless Steel |
| Color | Stainless Steel / Silver |
| Compatibility & installation | |
| Installation Type | Countertop |
| Human Interface Input | Touchscreen |
| Included components | |
| Unit Count | 1 |
| Included Components | Microwave |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Control Type | Push button |
| Number of Programs | 14 |
| Cooking Program | auto cook, defrost, keep warm, power levels, reheat |
| Timer Function | Timer Function Available |
| Item Type Name | NN-SN966S |
| Additional Features | Child Safety Lock |
| Frequency | 200 Hz |
| Recommended Uses For Product | Residential |
Other Panasonic countertop microwave ovens
How it compares
This product against the closest alternatives we track in countertop microwave ovens.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Panasonic Microwave Oven NN-SN966S Stainless Steel Countertop/Built-In with Inverter…This product | 4.0 / 5 | 5,500 | 4.2 / 5 |
| COMFEE' EM720CPL-PMB Countertop Microwave Oven with Sound On/OffCOMFEE' | 4.4 / 5 | 28,000 | 4.4 / 5 |
| Nostalgia RMO4BK Retro 0.9 Cubic Foot 800-Watt Countertop Microwave OvenNostalgia | 4.6 / 5 | 1,200 | 4.4 / 5 |
| TOSHIBA EM131A5C-BS Countertop Microwave Ovens 1.2 Cu FtTOSHIBA | 4.4 / 5 | 32,299 | 4.3 / 5 |
| BLACK+DECKER EM720CB7 Digital Microwave Oven with Turntable Push-Button DoorBLACK+DECKER | 4.2 / 5 | 22,300 | 4.3 / 5 |
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Questions about the Panasonic NN-SN966S
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Can the Panasonic NN-SN966S be installed built-in?
Yes, it is designed for either countertop or built-in use, and some reviewers used an optional coordinating frame kit for built-in installs.
How reliable is the control panel long term?
Reviews are mixed: some owners report years of trouble-free daily use, while others describe the keypad or panel becoming unresponsive around two to three years in.
What does the Genius Sensor do?
It automatically adjusts cooking power and time based on the food being heated, and covers 14 preset menu items.