Ninja SS151 TWISTi Blender DUO
- Countertop Blender
- 34 fl oz
- 1600 watts
- Corded electric
- Better rated than 57%
- More reviewed than 90%
A strong-performing smoothie blender for small households, priced well below full-size compressor blenders in its class, but genuinely loud in daily use.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 135 countertop blenders we track
4.5★ across 4,535 Amazon ratings, Bayesian-smoothed toward the category average.
4,535 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
151+ bought on Amazon last month.
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 135 countertop blenders we track - how the scorecard works · full countertop blenders 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 1600 peak-watt countertop blender built around a twist-lock tamper that pushes ingredients into the blades while it runs. It ships with a 34 oz pitcher plus 24 oz and 18 oz to-go cups, aimed at smoothies, frozen drinks and thicker blends like nut butter.
The tamper is the functional difference from a standard Ninja pitcher: instead of stopping to shake or stir, you twist ingredients down into the blades mid-blend, which reviewers credit for smoother results on frozen fruit and ice. Auto-IQ programs handle the pulse and pause timing automatically. Several buyers compare it favorably to much pricier blenders on smoothie duty, though more than one flags the noise level as a real tradeoff.
- 1600 peak watts, smartTORQUE motor
- 34 oz pitcher plus two to-go cups
- 5 functions including spreads and bowls
- Auto-IQ blend programs
Who it's for
Fits one or two person households wanting smoothies, protein shakes or bowls without buying a full-size pitcher blender. Anyone sensitive to blender noise, or needing to blend early morning without waking a household, should weigh the volume complaints before buying.
What buyers say
From Amazon customer reviews.
Owners consistently praise how quickly it clears frozen fruit and ice into a smooth texture, several comparing it favorably to blenders costing several times more. The most common complaint is volume, described by more than one reviewer as extremely loud, and a couple mention the base loosening or dripping if not seated tightly.
Strengths and trade-offs
Drawn from this product's published specifications.
- Clears frozen fruit and ice in under a minute for most reviewers
- Twist tamper avoids stopping to shake or stir
- Compact pitcher and cup sizes suit one or two servings
- Included cups double as grab-and-go containers
- Loud enough that several owners wait for others to be awake
- Base has been reported to loosen and drip
Performance notes
The smartTORQUE motor and hybrid-edge blades are reported to clear frozen fruit and ice in well under a minute in most reviews, with the twist tamper preventing the stall-and-restir cycle common on cheaper blenders. Auto-IQ programs cycle blend and pulse patterns on their own, so the main manual input is choosing a function and twisting the tamper as needed.
Specifications
| Brand | Ninja |
|---|---|
| Model | SS151 |
| Dimensions & fit | |
| Item Weight | 7.2 pounds |
| Item Dimensions D x W x H | 6.5 × 8.3 × 13.8 inches |
| Capacity & performance | |
| Capacity | 34 fl oz |
| Number of Speeds | 5 |
| Power & efficiency | |
| Wattage | 1600 watts |
| Power Source | Corded electric |
| Voltage | 120 volts |
| Construction & materials | |
| Material | Stainless Steel |
| Container Material | Plastic |
| Material Type Free | BPA Free |
| Blade Material | Stainless Steel |
| Color | Platnium |
| Included components | |
| Unit Count | 1 |
| Included Components | Blades Assembly, Inspiration Guide, Motor Base, Power Pitcher, Serve Cup With Lid |
| Warranty & support | |
| Warranty Type | Limited |
| Warranty Description | 1 year |
| Other details | |
| Control Type | Programmable, Push button |
| Container Count | 5 |
| Is the item dishwasher safe | Yes |
| Recommended Uses For Product | Blending |
| Style | TWISTi Blender DUO |
| Part Number | SS151 |
| Item Type Name | TWISTi Blender DUO, High-Speed 1600 WP Smoothie Bowl Maker & Nutrient Extractor* 5 Functions for Smoothie Bowls, Spreads & More, smartTORQUE, 34-oz. Pitcher & (2) To-Go Cups, Gray |
| Other Special Features of the Product | Dishwasher Safe |
Other Ninja countertop blenders
How it compares
This product against the closest alternatives we track in countertop blenders.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Ninja SS151 TWISTi Blender DUOThis product | 4.5 / 5 | 4,535 | 4.3 / 5 |
| NutriBullet NBR-1201 12-Piece High-Speed Blender/Mixer SystemNutriBullet | 4.5 / 5 | 26,800 | 4.6 / 5 |
| Margaritaville Bahamas Frozen Concoction Dual Mode Beverage Maker Home Margarita Machine…Margaritaville | 4.7 / 5 | 2,800 | 4.6 / 5 |
| Vitamix E310 Explorian BlenderVitamix | 4.6 / 5 | 5,483 | 4.4 / 5 |
| Breville BBL620SIL Fresh and Furious BlenderBreville | 4.5 / 5 | 2,671 | 4.4 / 5 |
Similar countertop blenders from other brands
Questions about the Ninja SS151
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How loud is the Ninja SS151 TWISTi?
More than one reviewer describes it as noticeably loud, on par with or louder than other blenders in its price range.
Can the Ninja SS151 handle frozen fruit and ice?
Yes, reviewers report it clears frozen fruit, ice and leafy greens like spinach in under a minute.
Does the Ninja SS151 TWISTi come with extra containers?
It includes a 34 oz pitcher along with 24 oz and 18 oz to-go cups with lids.