Panasonic NNST661S Mid-Size Inverter® Stainless Steel Microwave Oven


By Panasonic

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Description & Features+

This microwave cooks as good as it looks. Beautiful stainless steel finish and a sleek panel design are just a few of the features this microwave boasts. New turbo defrost mode defrosts even frozen foods quickly and efficiently. Intelligent inverter technology offers precision cooking and delivers a continuous wave of energy, allowing delicate foods to simmer without overcooking. Consistent delivery of microwave energy means foods will no longer undercook in the centre and have hard, overcooked surfaces and edges.

  • 1.2 cu ft
  • 1200 W output power
  • Auto reheat
  • Auto cook (9 categories)
  • Inverter® Turbo Defrost
  • Popcorn key
  • Quick minute (up to 10 minutes)
  • Child safety lock
  • Optional trim kit available
  • Exterior dimensions (H x W x D):
    310 x 525 x 401 mm / 12.25" x 20.69" x 15.81"
  • Panasonic NNST661S


Available for Shipping to Canada Post
Energy Star compliant
Refrigerator capacity (cu. ft.)
1.2 cu. ft.
Product Identifiers
Walmart Item #
30762084, 30775375
Model #

From the Manufacturer +

Ratings & Reviews+

Panasonic NNST661S Mid-Size Inverter® Stainless Steel Microwave Oven is rated 4.1 out of 5 by 43.
Rated 5 out of 5 by from Excellent Oven I did a lot of research on microwave ovens and this was the best price I found with all the features it has. It cooks much faster than my old oven, looks great and the size is perfect for under my counter. I'm very happy with this purchase and walmart has the best prices!
Date published: 2014-01-23
Rated 3 out of 5 by from Great microwave, terrible vendor customer service My unit came with a broken glass tray, Panasonic farms out their support to a very poor english speaking company, they accused me of breaking it and refused to give me replacement (I called the day I bought it) lol. I live 50 kms from the WalMart where I purchased it so instead of returning it I would have preferred the part shipped to me. Im sure WalMart would have exchanged it but I ended up using the tray from my old unit in this one. About 9 months in one of the door hinges began to sag making the door dificult to close... that wasnt covered either. The microwave is awesome and cooks food really well. Just dont expect any service if you have an issue.
Date published: 2015-01-25
Rated 1 out of 5 by from Goodbye Panasonic I bought one panasonic and it won't start after about 8 months.I called customer service and the representative was awsome and according to instructions I returned the unit and went with a suggested better NN-ST661S.This unit stopped working after about 15 months. As it was outside one year warranty I didn't bother to call customer service. Panasonic you need to make better products for your support to back.
Date published: 2015-08-31
Rated 5 out of 5 by from Quiet and quick. I purchased this a month ago and am happy with the purchase. It heats the food at the core so there is no cold middle and scalding edges, Price was reasonable and over all I am happy with the purchase!
Date published: 2014-03-20
Rated 5 out of 5 by from Great value! I bought this a month ago. Excellent value for the price paid!
Date published: 2014-01-18
Rated 4 out of 5 by from Great microwave! We have bought two of these microwaves over the last 12 years. Each lasted about 5-6 years. This latest one is still working fine, BUT, the door won't open, so it's probably just a 5cent part, but to fix it is more expensive than buying a new one. So, unfortunately, we are throwing away a perfectly working microwave, just because the door won't open! But, over all, we've been satisfied with it and are going to take our chances and go buy another one!
Date published: 2015-09-19
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