Wired Microphones

dbx RTA-M Reference Microphone rental

dbx RTA-M Reference Microphone


The dbx RTA-M Reference Microphone for DriveRack PA's is an omni-directional, flat frequency, measurement mic. Requires phantom power.

The RTA-M Reference Microphone from dbx is an omnidirectional mic designed for use with dbx DriveRack series real-time analyzers (sold separately) to provide an acoustic picture of a room. It can be used to capture audio and fine-tune your sound system performance to match the response characteristics of the room for live sound and recording applications. In addition, the RTA-M is built with a metal housing, requires phantom power (9 to 52 VDC), and includes a mic clip along with a hardcover case.

Flat frequency response

Omnidirectional polar pattern

Designed for the DriveRack series

Accurate "pinking" / real-time analysis of your audio

It runs on phantom power (supplied by the DriveRack units) and comes with a clip and case


  • Element Type Back-electret condenser
  • Polar Pattern Omnidirectional
  • Frequency Response 20 Hz to 20 kHz
  • Impedance 250 Ohms ? 30% (@ 1 kHz)
  • Sensitivity -63 dB +-3 dB (0 dB = 1 V/microbar @ 1 kHz indicated by open circuit )
  • Operating Voltage 9 to 52 VDC phantom power
  • Dimensions (? x L) 0.4 x 5.7" / 1.0 x 14.5 cm
  • Weight Not specified by manufacturer