AT897	NTG-2	NTG-4+	MKE 600	SGM-250
Polar pattern	Line + Gradient	Supercardioid	Supercardioid	Supercardioid	Supercardioid
Frequency response	20 Hz - 20 kHz	20 Hz - 20 kHz	20 Hz - 20 kHz	40 Hz - 20 kHz	20 Hz - 20 kHz
Sensitivity		-36.0 dB re 1V/Pa ±2 dB @ 1 kHz	-32.0 dB re 1V/Pa ±2 dB @ 1 kHz	-21 mV/Pa	-38 dB @ 1 kHz
Dynamic range	112 dB, 1 kHz @ max SPL		119 dB (per IEC651)		115dB w/P48 110dB/AA battery
Signal-to-noise ratio	77 dB, 1 kHz @1 Pa	76 dB, 1 kHz @1 Pa	78 dB, 1 kHz @1 Pa		77 dB, 1 kHz @1 Pa
Maximum input sound level	112 dB SPL, 1 kHz @1% T.H.D.	131 dB SPL, 1 kHz @1% T.H.D.	135 dB SPL, 1 kHz @1% T.H.D.	132 dB SPL, 1 kHz @1% T.H.D.	130 dB SPL, 1 kHz @1% T.H.D. 127dB w/AA battery
Output impedance	200 ohms	250 ohms	200 ohms		120 ohms
Power requirement	11-52V phantom 1.5V AA/UM3	44V-52V phantom 1.5V AA/UM3	44V-52V phantom Built-in rechargeable	48V ± 4V 1.5V AA/UM3	11-52V phantom 1.5V AA
Output connectors	3-pin XLR	3-pin XLR	Gold plated 3-pin XLR	3-pin XLR	Gold plated 3-pin XLR
LED	No	No	No	Yes	Yes
Pad	No	No	-10 dB	No	No
Low frequecy roll-off	Selectable HPF @ 80 Hz/12 dB octave	Selectable HPF @ 80 Hz/12 dB octave	Selectable HPF @ 75 Hz/12 dB octave	Yes	Selectable HPF @ 160Hz/3 dB octave
Dimensions	279mm x 21.0mm	278mm x 22mm	278mm x 22mm	256mm x 20mm	250mm x 21mm
Weight	145 g	161 g	176 g	128 g	160 g
Warranty	1 year	10 year	10 year	1 year	10 year
Country of origin	Japan	Australia	Australia	Germany	Japan