These are the most rugged light-weight accurately calibrated field mics for recording 360 degree sound. Each microphone is subjected to vigorous physical testing.
Brahma Field 4 US$ 500

Very compact and very light. 10.5 cms long and 4 cms diameter. Just 100 grams without the cable
Low noise and high output. Feeding into balanced phantom powered inputs of mixers or portable recorders.
User Manual for Brahma Field 4 https://1drv.ms/b/s!ApTSKi4C6u46jsBaaEi4-xmRf9uJyg?e=GELURm

And this is the second order microphone – Brahma Field 8
Very compact and very light. 10.5 cms long and 5 cms diameter. Just 160 grams without the cable.
Low noise and high output. Feeding into balanced phantom powered inputs of mixers or portable recorders.
User manual coming soon.
Brahma Field 8 US$ 1000
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