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. Author manuscript; available in PMC: 2016 Nov 9.
Published in final edited form as: J Acoust Soc Am. 2016 Oct;140(4):EL327. doi: 10.1121/1.4964639

Table 1.

Specifications of the i436 and iMM-6 external microphones

Microphone Cost Capsule
size		 Sensitivity Freq.
Response		 S/N Ratio Max. SPL
i436 $150 7 mm 6.3 mV/Pa 20Hz–20kHz >62 dB 128 dB
iMM-6 $15 6 mm 10 mV/Pa 18Hz–20kHz 70 dB 127 dB