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Discontinued Product

Sony Digital Flash Voice Recorder - ICDSX733

Abt Model: ICDSX733 | UPC Code: 027242857582
This product is no longer available.

Product Details

Sony Digital Flash Voice Recorder - ICDSX733

You'll never miss another thought, word, or note with the ICD-SX733 digital voice recorder. Whether you're recording music or lectures, this recorder is the ideal choice for musicians, business professionals and students. Capture exceptional audio quality via the built-in 3-element stereo microphone while a built-in memory card expansion slot allows for additional recording time. Additional features include Pre-record Mode and Playback Key Control. Compatible with PC and Mac, this voice recorder also has a convenient retractable USB terminal enables direct connectivity.

Key Features:

  • Built-in 4GB flash memory
  • Up to 1,073 hours of maximum recording time
  • Easy-to-use file transfer capability to PC/Mac®
  • Memory card expansion slot
  • Scene Select
  • Intelligent Noise Cut for noise-free recordings


  • 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.
  • 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.
  • Playback convenience-Key Control With Key Control, playback speed can be adjusted from 0.25 times to 3.00 times in natural tones bymeans of a digital processing function. You can even adjust playback in semitones higher or lower, each in 6 steps.
  • Lithium-Ion battery A built-in rechargeable battery delivers up to 19 hours of recording time so you will never miss a beat.
  • Built-in 4 GB flash memory1 4 GB of available internal flash memory provides ample space for recording life’s important moments-up to 159 hours in fact.
  • Memory Card Expansion Slot A built-in Memory Card Expansion Slot (microSD/M2) allows for additional recording time via removable flash 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 flash memory to the micro SD card without interruption.
  • Playback convenience-Voice Up When activated, the Voice Up function amplifies low volume sounds so that distant voices and other sounds can be heard.
  • 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.
  • Pre-Record Mode Pre-Record mode, when activated, buffers sound for five seconds prior to the moment when the Record key is depressed so you never miss a word or note.
  • USB-Direct PC and Mac® compatibility2 A convenient retractable USB terminal enables direct connectivity and charging with both Windows® and Macintosh® computers.



  • Format(s) Supported : Recording - MP3 files: Bit Rate: 48 kbps - 320 kbps, VBRSampling Frequencies: 16/22.05/24/32/44.1/48 kHzFile Extension: .mp3 PCM files:Bit Rate: 16 bitSampling Frequencies: 44.1 kHzFile Extension: .wav Playback - MP3/AAC/WMA/WAV
  • Frequency Range : LPCM 44/16: 40 - 20,000 HzMP3 320k: 40 - 20,000 HzMP3 192k: 40 - 18,000 HzMP3 128k: 40 - 16,000 HzMP3 48k (Mono): 40 - 14,000 Hz
  • Microphone : Built-in, 3-Element S-Mic microphone
  • Recording System : Digital Stereo, Monaural Recording

Convenience Features

  • Erase/Protect
  • Message Folder(s) : (400 Folders maximum)
  • On-Screen Clock : With Calendar
  • Safety Lock : (Hold Function)
  • Search Features : Cue/Review, Easy Search, Calendar Search, Track Mark
  • Voice E-Mail Function

Inputs and Outputs

  • Headphone Output(s) : 1 (Minijack, Stereo)
  • Microphone Input : 1 (Minijack, Stereo)
  • USB Port(s) : 1 (Type-A jack), High-Speed USB Compatible
  • Memory Stick : Max recording time (48 kbps MONO): 4 GB = 178 hrs; 8 GB= 357 hrs; 16 GB = 715 hrs


  • Operating System Compatibility : Windows® 8 Windows® 7 SP1 or higher, Windows Vista® SP 2 or higher, Windows XP SP3 or higher Mac OS X (v10.3.9-v10.8), pre-installed
  • Supplied Software : Application Software, Sound Organizer (On unit) compatible with: Windows® 8, Windows 7, Windows Vista® SP 2 or higher, Windows XP SP3 or higher

Audio Features

  • Microphone Sensitivity Feature : Yes (Auto & Manual SENS Settings with Limiter functionality)
  • Recording Features : 5 Modes: Linear PCM / MP3 320kbps / MP3 192kbps / MP3 128kbps / MP3 48kbps (Mono)


  • Recording Media : Built-In Flash Memory 4GB³ and Memory Card Expansion Slot (microSD/M2)
  • Recording and Playback Times : Linear PCM (44 kHz/16 bit): 5 hrs 20 min; Max 19 hrs batteryMP3 (192 kbps): 39 hrs 45 min; Max 17 hrs battery lifeMP3 (48 kbps MONO): Max 159 hrs; Max 19 hrs
  • Type of Use : Ultra Portable Voice Recorder


  • Memory Size : 4 GB = 4,294,967,296 bytesAvailable: 3.2 GB (3,435,973,837 bytes)


  • Speaker Dimensions : Approx. 0.4 x 0.2 in. (10 x 6 mm) diameter In the Box


  • Message Folder(s) : 5 Pre-Programmed at factory (400 Maximum) 199 Maximum files per folder 4074 Maximum files


  • Display : Full Function backlit (LED) LCD Display with recording operation indicator


  • Battery Life (Approx) : Up to 19 hours
  • Battery Type : Rechargeable Lithium
  • Output Power : 150 mW

What's In The Box:

  • IC Recorder (1)
  • Stereo headphones (1)
  • Quick Start Guide (1)
  • Application Software, Sound Organizer (On unit) (1)
  • Carrying Case (1)
  • USB connection support cable (1)
  • Stand (1)

Approximate Weight:

  • Unit: 0.50 lbs
  • Shipping: 3 lbs

Approximate Dimensions:

  • Depth: 0.6"
  • Height: 4.3"
  • Width: 1.6"

Warranty Information:

  • Manufacturer Warranty (authorized online retailer): 1 Year Parts And Labor
Key Features
Built-In 4GB Flash Memory/ Up To 1,073 Hours Of Maximum Recording Time/ Easy-To-Use File Transfer Capability To PC/Mac/ Memory Card Expansion Slot/ Scene Select/ Intelligent Noise Cut For Noise-Free Recordings/ Black Finish
More reasons to buy the Sony ICDSX733 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Sony ICDSX733 is Brand New.
  • The Sony ICDSX733 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Recording FormatMP3
Recording Time (hours)1,073 hours
Height (inches)4.3
Width (inches)1.6
Depth (inches)0.6
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