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CardioidAKG Acoustics C 900

Cardioid Condenser Microphone

The C900 is a handheld condenser intended for live vocal use. It includes the PB-1000 Presence Boost Adapter, as does the C1000S. Presumably the two mics employ the same electret condenser capsule.

  • Condenser vocal microphone for onstage use
  • Choice of two output modules
  • XLR connector module with 24-carat gold plated pins
  • 24-carat gold plated transducer case for optimum conductivity and resistance to corrosion and humidity
  • Spring steel wire-mesh grill
  • Shock mount

This professional condenser vocal microphone will make your voice cut through the loudest mix — on any stage. It has been optimized for use with in-ear monitor systems and provides a cardioid polar pattern for high gain before feedback. The C 900M is available with one of two output modules: XLR connector module for use with a standard microphone cable. TM 40 transmitter module for wireless use.

Easy changeover from hardwire to wireless operation does not only increase your range of action but also ensures perfect mobility.

The package includes the microphone, a stand adapter, PB 1000 Presence Boost Adapter, and carrying case.

C 900 WL 1: C 900 microphone element with threaded connection for use with AKG wireless systems. The HT 400 (WMS 400 system) features a permanently attached C900 microphone element.

The AKG Acoustics C 900 is also known as: C900, C 900.


Pickup Patterns Pads & Filters
Cardioid (6 mV/Pa; 20 - 20,000 Hz)
  • Filter: PB-1000 Presence Boost (Detachable)
Capsule Dimensions Impedance SPL/Noise
Diameter n/a
200 Ohms (Low) Max SPL: 139 dB
Weight Length Max Diameter Interface(s)
295g (10.41oz) 180mm (7.09'') 50mm (1.97'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 9-52v

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