High-quality sound and class-leading maximum sound pressure level of 130dB SPL


Maximum sound pressure level of 130dB SPL eliminates clipping even for the loud sounds of percussion instruments

The newly designed directional microphone and amplifier circuit have achieved the maximum sound pressure level of 130dB SPL. This means there is no clipping even for the loud sounds of drums and other percussion instruments. This provides peace of mind even when recording in small rooms.

Examples of sound pressure levels of musical instruments and music

110dB Alto sax, piano (professional), vocal (amateur), brass instruments
120dB Tenor sax, vocal (professional), live club performance, orchestra
130dB Rock band concert, percussion, conga, drums, etc.

Enhanced built-in three-microphone system TRESMIC

TRESMIC featuring a total of three microphones has a centre microphone that covers the low frequency range in addition to two high-performance stereo microphones. A recording frequency range of 60Hz to 20,000Hz is achieved with two microphones, but employing the three-microphone system TRESMIC results in a recording frequency range of 20Hz to 20,000Hz. This enables recording with an excellent balance. Furthermore, a more natural stereo sound has been achieved by enhancing the filter characteristics of the centre microphone.

  • Frequency response
  • Built-in three-microphone system TRESMIC

Natural stereo sound obtained by 90-degree outward-facing stereo microphones on the left and right

To get the most out of basic performance such as frequency response and directional characteristics, focus was placed on the size of the microphone casings and the shape of openings. The 90-degree outward-facing microphone units on the left and right achieve a stereo sound with a natural ambience.


High-quality sound microphone amplifier circuits reduce interference by isolating circuits and boards

To transfer and amplify the sounds captured by the microphones as faithfully as possible, Olympus has also pursued a design that focuses on sound quality in its signal processing circuitry. The amplifier components include independent low-noise, low-distortion amplifier signals for the left and right channels. Eliminating cross-channel interference enables clear signal transmission and achieves a high signal-to-noise (S/N) ratio. Analogue circuits, which perform delicate processing of the electric signals that affect subtle nuances in the sound, include isolated power supply circuits. This reduces the minute interference from the power supply to help improve the S/N ratio. In addition, the boards for system control (digital) and audio have been separated to prevent interference noise and achieve low-noise signal transmission.

  • System circuit board
  • Audio circuit board

96kHz/24bit linear PCM recording support enables faithful reproduction of the original sound

Support is included for both the 96kHz/24bit linear PCM (WAV) format enabling high-quality recording and playback with a dynamic range surpassing that of music CDs and the highly versatile MP3 format.

  • Pictures are for illustrative purposes only.

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