ECM-88B (ECM88B)Discontinued

Electret condenser microphone

Where to buy


Electret Condenser Mic


Audio Section
Capsule Type
Electret Condenser
Frequency Response
20 Hz to 20 kHz
Sensitivity *[1]
-52 dB +/- 2 dB (when used with DC-78), (-39.0 dB 11.2 mV for BC)
Output Impedance *[2]
30Ω±30%, Unbalanced
100Ω±20%, Balanced (when used with DC-78)
Dynamic Range
99 dB or more
Signal-to-Noise Ratio *[3]
68 dB or more
Inherent Noise *[4]
26 dB SPL or less
Induction Noise From External Magnetic Field *[5]
5 dB SPL or less
Wind Noise *[6]
45 dB SPL or less (with supplied windscreen)
Maximum Input Sound Pressure Level *[7]
125 dB SPL
General Section
SMC9-4P 4-pin on microphone. Also supplied with DC-78 Power Supply Unit for XLR-3-12C (male) output connection.
Mic Cable
8.2 feet
2.5 m
Power Requirements
ECM-88B with DC-78 Power Supply connected: Two-way powering; battery operation (AA-size battery) or external DC operation (12 V to 48 V)
ECM-88B 4-pin connector: DC 1.1 V to 10.0 V.
Battery Operating Time
Approx. 6000 h (LR6)
Power Consumption
Internal battery: 0.3 mA or less
External battery: 2 mA or less
Dimensions *[8]
φ5/32 x 11/16 inches (Mic head)
φ3.5 x 16.8 mm (Mic head)
φ20 x 144 mm (DC-78 power unit)
φ13/16 x 5 3/4 inches (DC-78 Power Unit)
Approx. 5.7 oz (with DC-78 power supply)
Approx. 160 g (with DC-78 power supply)
Approx. 0.7 oz (Mic Only)
Approx. 0.5 g (Mic Only)
Supplied Accessories
Urethane type windscreen (1)
Single/vertical type tie clip (1)
Single/horizontal type tie clip (1)
Operating instructions (1)
Mic case (1)
Ferrite clamp (1)
Double/horizontal type tie clip (1)
DC-78 DC Power Supply Unit (1)
Optional Accessories
Wind screen pack
Vertical clip pack
Safety clip pack
Horizontal clip pack
Double clip pack
Color windscreen pack
Black windscreen pack
Accessory kit
*[1] 0 dB = 1 V/Pa, at 1 kHz
*[2] Output impedance at 1 kHz
*[3] A-weighted, 1 kHz, 1 Pa.
*[4] 0dB SPL = 20? Pa.
*[5] dB SPL/1E-7 T, 0 dB SPL = 20? Pa.
*[6] Wind noise at 2m/s (0 dB SPL = 20?Pa.)
*[7] 0 dB SPL = 20? Pa.
*[8] The values for dimensions are approximate.

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