AKG C547BL Boundary Microphone

What It Looks Like


C547 BL is also a good hire choice for miking kick drums and other instruments, as well as stage front boundary or float pickup mics

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The C547 is a hypercardioid professional boundary layer microphone. The rugged, non-crush case and a switchable bass-cut filter make the C547 an ideal choice for tough on-stage assignments. Using PCC® (Phase Coherent Cardioid®) technology with hypercardioid polar pattern, the microphone provides high directivity and neutral sound. The C547 is built on the same acoustical components as the legendary C747 V11.

Primarily designed for use in houses of worship, theaters and conferencing, the C547 BL is also a good choice for miking kick drums and other instruments. The highly efficient RFi-Shield technology substantially reduces interference noise due to electromagnetic pollution.

General Specifications

Audio frequency bandwidth 30 – 18000 Hz
Equivalent noise level 22 dB-A
Sensitivity 8.5 mV/Pa
Signal to Noise 72 dB-A
Bass cut filter 150 Hz
Recommended load impedance 1000 Ohms
Polar Pattern Hypercardioid


Length 120 mm
Width 185 mm
Height 19 mm
Net Weight 160 g


Finish matte dark gray

Audio Output

Type Balanced XLR
Gender Male
Contacts 3-pin

Powering Interface

Voltage 9 to 52 V
Current 2 mA