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Countryman Isomax 2 All-Purpose Microphone - Omnidirectional

Most miniature directional mics quietly become omnidirectional as the frequency drops, which is why a cardioid clip-on can still pick up the drummer behind it. The Isomax 2 does not: its patterns are frequency-independent, so a cardioid stays cardioid and a hypercardioid keeps its rejection into the low end. Combined with a 150 dB SPL overload point, that makes it a genuine all-purpose capsule for strings, winds, brass, and percussion.

This is the omnidirectional version. The capsule measures 8 by 16 by 4 mm excluding the strain relief. Output is 600 Ohms balanced and transformerless, tightly specified at plus or minus 2%, and it runs on 6 V to 50 V phantom at 4 mA. Wireless configurations ship with a 5 ft cable and hardwired configurations with 10 ft, wired for the specific transmitter it needs to plug into.

TypeMiniature all-purpose condenser microphone
Polar PatternOmnidirectional
Frequency ResponseOmnidirectional: 20 Hz to 20 kHz; Directional: 50 Hz to 20 kHz
Sensitivity1.4 mV/Pa
Overload Sound Level150 dB SPL at 1% THD
Output Impedance600 Ohms +/- 2% balanced, transformerless
Powering6 V to 50 V phantom at 4 mA (below 24 V reduces overload SPL)
Dimensions5/16 in x 5/8 in x 5/32 in (8 mm x 16 mm x 4 mm) excluding strain relief
InfoComm 2014: Countryman Associates Debuts ISOMAX 2 Hanging Microphone