Images NN-SN661S, , HeroImage

1.2 Cu. Ft. Countertop/Built-In Microwave with Inverter Technology NN-SN661S Stainless


In Stock

Ships in 1-3 business days
  • Enjoy faster cooking times with 1200 watts high power
  • Microwave Inverter technology delivers a seamless stream of cooking power
  • Advanced Inverter Turbo Defrost speeds up defrosting time
  • Automatic sensor adjusts power and times for different foods
  • Cooking instructions displayed in English, Spanish or French
  • Choose countertop or built-in installation, trim kit sold separately
  • Dimensions: Outside - 12 1/4" x 20 11/16" x 15 13/16"
$164.95 $129.96
Product Actions
Add to cart options


Inverter Technology

Panasonic Inverter Technology perfects the art of cooking with microwave ovens, delivering delicious flavor, excellent color, and superb shape and texture in the foods you cook. The consistent delivery of microwave energy means delicate foods can simmer without the edges and surfaces overcooking. Foods have the look and taste of conventional-oven cooking without the wait!

Inverter Turbo Defrost™

Panasonic has succeeded in evolving the Turbo Defrost™, which allows you to defrost foods even faster than previous Panasonic Auto Defrost. Panasonic inverter Turbo Defrost technology is ad advanced microwave sequencing system using the inverter continuous-power delivery feature.

Menu Action Screen (multi-lingual)

The Menu Action Screen is like having a chef to assist you in the kitchen. It scrolls step-by-step cooking instructions across the display, in a choice of English, Spanish, or French.

One-Touch Sensor Cook and Reheat

The Sensor adjusts power levels and calculates cooking and reheating times automatically for various food types.

Control Panel

The easy-to-use standard flat panel keypad makes it possible to operate the microwave easily.

Keep Warm Feature

A pulsing delivery of very low microwave power keeps food temperatures at a constant level without overcooking. So, foods like stew, gravy and desserts remain warm in the oven until ready to serve.

Elegant Design with Push-Button Door Release and Stainless Steel Front

Elegant, attractive and easy-to-open, the microwave will look its best even when preparing some of the messiest recipes.


SpecificationsExpand All

  • More Details
    • MODEL NO.
    • Capacity
    • Exterior Dimensions HxWxD"
    • POWER
    • Microwave Type
    • Microwave (Technology)
    • Power Consumption
    • Power Supply
    • Cooking Power
    • DESIGN
    • Color (Material)
    • Face of Door/Base
    • Cabinet Body
    • Dial / Button
    • Interior Color (Material)
    • Interior Light
    • Panel Design
    • Language
    • Display Type
    • Display Backlight Color
    • Cooking Time
    • Kitchen Timer
    • Standing Time
    • Delay Start
    • Clock
    • Child Lock
    • Sensor
    • Turbo Defrost
    • Popcorn
    • Keep Warm
    • Quick 30s / Quick Min
    • More/Less
    • Auto Reheat
    • Number of Auto Cook
    • Turntable Size
    • Operating Instructions
    • Trim Kit 30"
    • Trim Kit 27"
    • Turntable
    • Outside HxWxD ( " )
    • Interior HxWxD ( " )
    • Stand-by Regulation
    • Safety Standard
    • UPC 885170045132




Rated 2.5 out of 5 by 20 reviewers.
Rated 1 out of 5 by Problems after 6 months After only having this microwave for 6 months and using it to mostly warm up coffee, it's having 2 issues: 1) After warming up coffee for 2 minutes at power setting 10, it'll come out lukewarm and is starting to happen more often. 2) Sometimes I press the "start" button and nothing will happen, that too, is starting to happen more often. DO NOT BUY THIS PRODUCT! January 13, 2016
Rated 4 out of 5 by Better than Expected The microwave is efficient, powerful and very easy to use. I especially like the defrost setting as it defrosts items without cooking them. I thought the door was going to be an issue, but it's a no brainer...don't slam it! Overall I am happy with the purchase. December 23, 2015
Rated 5 out of 5 by Great Product I've used many different brands over the years and all have disappointed in one way or another except this one. I've had it for over a year now and it works flawlessly. Best microwave I've ever owned. November 22, 2015
Rated 2 out of 5 Bad quality: Out of work after 15 months Bought it in May or June 2014 and it stopped work in August 2015. October 24, 2015
Rated 1 out of 5 by JUNK,Do not purchase I thought I would splurge and pay a little more for a nice looking microwave because I thought it would last for a while. WRONG. Do not spend your money on this microwave. I see someone else on here had the same issue with the door that I did. It started small, not opening correctly and then got to where I had to slam it shut several times just to get it to stay shut. I finally thought , I will fix this myself, but after purchasing a special tool to get the screws out, I found out that the piece( or pieces) for the door closure were all made of cheap plastic. The closure was loose and moving all over the place so I tried to tighten the screws that held it but part of it was not put together right. After trying for numerous times, the plastic pieces started breaking off. I wasn't rough or anything on the closure. Piece of JUNK!!! So now it sits on my curb waiting on the trash man to pick it up. I did not purchase another panasonic brand and may never again. I only had the microwave about 8 months, seems like that is a magic # from other posts on here. Very disappointed, money's tight for me and this microwave did not last at all. August 17, 2015
Rated 3 out of 5 No Light and Constant Beep Looks very stylish, easy features to use, reasonable cost. Problem is the light only works when in use. Should be pretty easy to have light on like a fridge door. Other big problem is the beeping feature can not be turned off. I will return this item and pull my 20 yr old panasonic back out since the light is on and able to turn beeping off. These are easy and obvious fixes. Otherwise they should but for Day Use Only on box. July 31, 2015
Rated 4 out of 5 Light The interior light needs to stay on when the door is opened July 26, 2015
Rated 1 out of 5 by end of the line with Panasonic for me This is the third one of this model I bought - they have gotten progressively worse. this one died after 8 months. The Extra warranty is no good, because it is still under Panasonic warranty. Panasonic offers that if I trek 50 miles (x 4 for drop off / pick up!) to the nearest service center (or box it up and ship it?!!) they will try to fix it. Forget it, that is the end of the line with Panasonic for me, after 30+ years. June 11, 2015
  • 2016-02-12 T06:42:28.603-06:00
  • bvseo_lps, prod_bvrr, vn_prr_5.6
  • cp-1, bvpage1
  • co_hasreviews, tv_20, tr_20
  • loc_en_US, sid_NN-SN661S, prod, sort_default
2 Next>>


Visit the Product Support Page for FAQ's, How-To Guides, and other helpful information.

Need Help?

Call us at 800-405-0652
Mon-Fri 8am-8pm EST
Sat-Sun 12pm-5pm EST
Panasonic USA