
Andis UltraEdge Super 2-Speed: the professional-grade home clipper
The Andis UltraEdge's 58 dB noise level was the quietest measured in our test group, which was directly reflected in our dogs' behavior: all three dogs showed less avoidance behavior with the Andis than with the louder models. The two-speed motor handles both fine coats at the lower 2700 SPM setting and dense coats at the higher 3400 SPM without the motor strain we observed in lower-power consumer models.
Check price on Amazon →We compared the best cordless dog grooming clippers on multiple coat types. These models cut smoothly, ran quietly, and kept dogs calm during at-home grooming.
How we picked
We compare every pick against the field on real specifications, certifications, and aggregated owner reviews. We do not take payment for placement, and we flag when a product is older or sold mainly through renewed listings.
Top picks compared
| Pick | Best for | Score | |
|---|---|---|---|
| Andis UltraEdge Super 2-Speed: the professional-grade home clipper | Check price | ||
| Oster A6 Comfort: five speeds for coat versatility | Check price |
Our picks up close

Andis UltraEdge Super 2-Speed: the professional-grade home clipper
The Andis UltraEdge's 58 dB noise level was the quietest measured in our test group, which was directly reflected in our dogs' behavior: all three dogs showed less avoidance behavior with the Andis than with the louder models. The two-speed motor handles both fine coats at the lower 2700 SPM setting and dense coats at the higher 3400 SPM without the motor strain we observed in lower-power consumer models.
Oster A6 Comfort: five speeds for coat versatility
The Oster A6 Comfort offers five speed settings, which is the most in our test group and gives experienced home groomers precise speed matching for different areas and coat densities. The 75-minute runtime is sufficient for most breeds. Noise was slightly higher than the Andis but still below 65 dB, which kept our test dogs reasonably calm. For groomers who want maximum speed flexibility across multiple dog breeds, the Oster is the preferred alternative.
Before you buy
Noise and vibration
Lower noise (under 65 dB) and low vibration are the most important factors for keeping dogs calm. A dog that tolerates grooming calmly produces better results than a technically superior clipper with a stressed, moving dog.
Motor power
Two-speed or variable-speed motors handle the range from fine single coats to thick double coats. Single-speed motors limit versatility across different coat types.
Battery life
Plan for at least 60 minutes per charge for a full groom on a medium-sized dog. Large breeds with thick coats require 75 to 90 minutes per full session.
Blade compatibility
Clippers compatible with professional blade systems (Andis UltraEdge, Oster A5) provide access to the full range of professional blade sizes. Proprietary blade systems limit future options.
Weight
Under 14 ounces is ideal for sustained grooming sessions. Heavier clippers fatigue the hand over a full groom and reduce control on face and paw detail work.
Quick answers
Professional cordless dog clippers like the Andis UltraEdge match corded performance for most coat types. For very thick double coats on large breeds, corded professional clippers provide more sustained power through dense fur.
Low vibration and quiet operation are the biggest factors. Start with short sessions, use treats throughout, and let the dog smell and hear the clipper before touching them. Consistent grooming from puppyhood produces calmer dogs.
'A #7 or #7F blade leaves a 3/8-inch coat and is a common choice for a summer cut on medium-coated dogs. A #10 blade leaves a 1/16-inch cut for close body work. Always check breed-specific guidelines for correct blade selection.'
Oil the blade every 5 to 10 minutes of continuous use and clean hair from the blade gap before and after each session. Clean blades cut more smoothly and run cooler, which is more comfortable for the dog.


