This product is either discontinued or we cannot get that from suppliers.
The DM-720 features a Tresmic three-microphone system to capture depth, fullness, and stereo field
The DM-720 supports linear PCM recording up to 16-bit and sampling frequencies as high as 48 kHz for CD quality and beyond.
This mode automatically adjusts the microphone sensitivity according to the input level in real time.
The DM-720 from Olympus is a digital recording device capable of storing files in Linear PCM (WAV) formats as well as MP3. It can operate at sample rates up to 48 kHz