
Feature packed the ICD-SX733 delivers. Combining exibility and capability 
with convenience for musicians, business people and students the 
ICDSX733 oers: a 3-element stereo microphone, LPCM and MP3 Record 
modes, Memory Card Slot, Manual/Automatic Level Control, Intelligent 
Noise Cut circuitry, the ICD-SX733 oers powerful recording capability in the 
palm of your hand.
Premium Recording
Introducing the ideal digital voice recorder for business and music recording, delivering 
Sony’slegendary ease of use with superior recording and audio playback capability.
Built-in 4 GB ash memory1
4 GB of available internal ash memory provides ample space for recording life’s important 
moments-up to 159 hours in fact.1
3 Element Microphone
Capture every nuance, distant or low volume, with greater clarity via a 3-element microphone 
array featuring  adjustable sensitivity and zoom functionality. 
Dual AD Convertors
Dual analog to digital converters work in tandem to deliver wider dynamic range with minimized 
distortion. The result is smoother/fuller sounding recordings that capture everything from the 
quietest whisper to the loudest noise in the room and all things in between.
Memory Card Expansion Slot
A built-in Memory Card Expansion Slot (microSD/M2) allows for additional recording time via 
removable ash memory. It can also be used to transfer recordings to a computer. Thanks to the 
cross-memory recording feature, the recorder can automatically extend a recording from the 
built-in ash memory to the micro SD card without interruption.
Pre-Record Mode
Pre-Record mode, when activated, buers sound for ve seconds prior to the moment when the 
Record key is depressed so you never miss a word or note.
Playback convenience-Key Control
With Key Control, playback speed can be adjusted from 0.25 times to 3.00 times in natural tones 
by
means of a digital processing function. You can even adjust playback in semitones higher or 
lower, each in 6 steps. 
Playback convenience-Voice Up
When activated, the Voice Up function amplies low volume sounds so that distant voices and 
other sounds can be heard.
USB-Direct PC and Mac® compatibility2
A convenient retractable USB terminal enables direct connectivity and charging with both 
Windows® and Macintosh® computers. 2
Lithium-Ion battery
A built-in rechargeable battery delivers up to 19 hours of recording time so you will never miss a 
beat.3
Featuring Dragon Naturally Speaking®
 
With basic setup, the ICD-SX733D and supplied Dragon Naturally Speaking® soware allow you to 
capture your thoughts and ideas for later translation to text using your PC.
Specications
Audio
ICD-SX733D Digital Flash Voice Recorder