When comparing Sony ECMAW4 vs Canon WM-V1, the Slant community recommends Sony ECMAW4 for most people. In the question“What are the best bluetooth microphones (excluding headsets) for mobile devices?” Sony ECMAW4 is ranked 5th while Canon WM-V1 is ranked 9th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Inexpensive considering size and comparable technology
Pro 75 feet / 23 meter range
Impressive for such a small device. Keep in mind that this range is measured with an unobstructed line of sight. With walls and other challenging objects, the range will diminish.
Pro Small and attractive form factor
Pro 150 feet or 45 meter wireless range
Double the range of the Sony WCMAW4.
Cons
Con Battery life is only 2 hours
This unit uses one AAA battery and users report that the units only last 2 hours in real world use.
Con Generates handling noise
The transceiver unit creates a lot of handling noise if using the internal microphone. To avoid this it is recommended to use a lavalier microphone plugged into the 3.5 mm input jack.
Con Must use a 3.5 mm jack to connect receiver to your mobile device
Con Appears to be discontinued
On Amazon the product Canon WM-V1 is no longer available and says "We don't know when or if this item will be back in stock. " The product is not searchable on Amazon but can be found via a 3rd party search engine. It is suspected that this product is discontinued. It is unknown whether a new version of the product is set to replace this product.
Con Must use a 3.5 mm jack to connect receiver to your mobile device
Con Can't use external microphones
The transceiver has no input jack for an external microphone including such as lavalier mics. This means that the onboard mic is the only option and that handling noise may be a problem.