Olympus DS-4000 is a voice recorder, it is a technology launched by American company Olympus. It records the file in the DSS (digital speech standard) format. It has a button on its side, one can operate Olympus DS-4000 digital voice recorder by sliding this button. It is very easy and very comfortable to use, moreover it has high performance quality. One has an option to enter the greeting message into the system, which will greet the operator when the recorder turns on. You can surely gift this one to your loved ones mentioning message of surprise or happy birthday. The default greeting is the time.

Olympus DS-4000 digital voice recorder is available in three languages and they are English, German, and French. One can set multiple numbers of alarms for different purposes and of different times. It has the ability to synchronize itself with the PC when connected to it. One can call it as an intelligent gadget as it turns off automatically when left unused for longer duration. It is for the professional users. It has seven folders and one can store data in these folders. Each folder can store data up to the capacity of 199 messages. Olympus DS-330 had five folders in it for storage in comparison DS-4000.

It also has the ability to store up to 10-user ids, if different users at one work place share the recorder. It also provides the ease of erasing or editing the recorded clip. Its battery life is good; a lithium battery can be recharged for around 20 hours and can have the playback of 12 hours. The rechargeable batteries can have the recording of 15 hours and playback of 10 hours. It supports all the versions of windows and it supports the Mac operating system. It is available with different memory options. In Olympus DS-4000 digital voice recorder, one can enhanced the memory. Its memory range starts from 16 mega bytes and one can increase it up to one gigabyte. It can record to the maximum of 168 hours.

The Olympus DS-4000 digital voice recorder kit includes the following- 32 mega byte xD picture card, USB cable, AC adapter, docking station, rechargeable battery pack, user manual, case, DSS player pro dictation software along with the DS-4000 digital voice recorder. It has a 3.5 mm audio jack. It is easy to carry and has a metal body. One can use it for office work to record the transcripts and then transfer those transcripts to the PC. However, one can also use it for spying purposes. Journalists typically use it for recording the interviews. One should keep in mind that the recorder should not come in direct contact with heat. Also, keep it away from moisture. While recording, keep it away from cell phone as it may cause interference during recording.

It is an upgraded version for Olympus DS-330 digital voice recorder, so it has better features then the first version. Sound clarity is very good. It has two recording modes they are, standard mode and long playback mode. It also has the option of foot switch so hands free recording is also possible. So, one can say that it is one of the best inventions so get one, for you collection.