When comparing Sony ECMAW4 vs Saramonic SR-WM4C, the Slant community recommends Saramonic SR-WM4C for most people. In the question“What are the best bluetooth microphones (excluding headsets) for mobile devices?” Saramonic SR-WM4C is ranked 8th while Sony ECMAW4 is ranked 10th.
Ranked in these QuestionsQuestion Ranking
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 Inexpensive considering size and comparable technology
Pro Small and attractive form factor
Pro 5 hours battery life
Pro Range around 200 feet or 60 meters
Best range for the money.
Pro No radio license required to use
This product operates on the 203-216 MHz frequencies.
Con Must use a 3.5 mm jack to connect receiver to your mobile device
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 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 More distance beyond recommended range introduces more noise
Noise becomes an issue the further the transceiver gets from the receiver past the recommended range or with obstructions and radio interference.
Con Quality and durability issues
22% of customers rated it 1 star due to quality/durability issues.
Con Only 4 radio frequencies to choose from
This means if you are in a radio congested area, you may not get a clean signal. Other radio users and their audio sources may cut into your recording/live broadcasting etc. Only 4 channels might mean you can't operate.