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AKG SE300 B Blue Line Series Microphone Pre-Amplifier

  • Our Price
  • $274.95
  • Regular price MSRP: $359.00


Get the Supreme Pre-Amp Made to Complete the Blue Line Series

The SE300 B is the pre-amp for the Blue Line Series capsules CK91, CK92, CK93, CK94 and CK98. This system is designed for excellent audio quality and maximum flexibility. The state-of-the-art electronics design ensures high RF immunity in critical environments. The SE300 B provides a switchable bass roll-off/attenuator with three positions: flat, 75Hz and 10db attenuation.

The Blue Line Series

The Blue Line Series is a family of pre-polarized condenser capsules, all compatible with a supreme pre-amp module. Its robust Modulock™ bayonet coupling allows quick and easy interchanging of the capsules modules. All modules feature accurate axial response, uniform pattern control and low self noise. With the available cardioid, hypercardioid, omnidirectional and highly directional shotgun capsules, the Blue Line Series offers an incredible flexible solution for the most demanding speech, vocal, instrumental and ambient recordings.

The Blue Line Series is primarily designed for studio and broadcast applications. Thanks to the roadworthy and light-weight design the microphones are also often found in heavy-duty use on stages worldwide.



  • Audio Frequency Bandwidth: 20 - 20000 Hz
  • Signal to Noise: 77 dB-A
  • Preattenuation Pad: 10 dB
  • Bass Cut Filter: 75 Hz
  • Recommended Load Impedance: 1000 Ohms


  • Height: 146 mm
  • Diameter: 19 mm


  • Finish: Dark gray

Audio Output

  • Type: Balanced XLR
  • Gender: Male
  • Contacts: 3-pin

Powering Interface

  • Voltage: 9 to 52 V
  • Current: 2 mA

Manufacturer: AKG
Model: SE300 B
Warranty: See manufacturer website for details
SKU: I053340-1-B