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Discontinued Product

Sony 4 GB Digital Flash Voice Recorder - ICDUX533

Abt Model: ICDUX533 | UPC Code: 027242859982
This product is no longer available.

Product Details

Sony 4 GB Digital Flash Voice Recorder - ICDUX533

Featuring enhanced MP3 and Linear PCM recording features with 4 GB1 internal memory, the UX533 recorder is perfect for capturing music and meeting notes. An expandable microSD memory card slot is perfect for additional capacity. While the direct connect USB makes for easy file transfer in addition to charging the rechargeable battery.

Key Features:

  • Built-in 4 GB flash memory
  • Up to 1,073 Hours of maximum recording time
  • Stereo S-Microphone for 50–20 kHz audio response
  • Memory Card Expansion Slot (microSD/microSDHC)
  • Automatic/Manual record level settings
  • Ease of use with white LED backlight and Calendar Search
  • Sync Record Mode for recording convenience
  • MP3 Playback convenience with graphic EQ4
  • USB Direct-PC & Mac® compatibility with charging
  • Supplied AAA (x1) battery for up to 30 hrs of recording3


  • All Around Recording Introducing the ideal digital voice recorder for business, school, and/or music recording, delivering Sony's legendary ease of use with superior recording and audio playback capability.
  • Built-In 4 GB Flash Memory 4 GB of available internal flash memory provides ample space for recording life's important moments-up to 1,073 hours in fact.1
  • Stereo S- Microphone Capture every nuance, distant or low volume, with great clarity via a 2-element stereo microphone array.
  • 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.
  • Automatic/Manual Record Level The recorder can be configured to automatically adjust recording levels for optimum results, or when necessary allow for manual control. In manual mode, a Limiter Function prevents recording distortion from loud sounds.
  • Sync-Record Mode Quickly and easily record from various audio devices with Sync-Record. When activated, press Play on the audio source and the recorder, sensing a signal will begin recording.
  • MP3 Playback With Graphic Equalizer More than just a digital voice recorder, the UX533 supports MP3/WMA/AAC playback with a five-band EQ.4
  • Calendar Search Easily search for recordings by date. When in use, a calendar displays, indicating the dates when recordings were made.
  • Bright White LCD Backlight Enjoyed enhanced visibility day or night thanks to a bright white LCD backlight.
  • USB-Direct PC And Mac® Compatibility Transfer files quickly without searching for a USB connection cable. With direct connect, simply connect the recorder to a PC or Mac® USB input.2
  • AAA Battery The supplied, rechargeable NiMH AAA battery delivers up to 30 hours of recording time so you will never miss a beat.3



  • Format(s) Supported: Recording - MP3 files: Bit Rate: 8 kbps - 192 kbps, VBR Sampling Frequencies: 16/22.05/24/32/44.1/48 kHz File Extension: .mp3 PCM files: Bit Rate: 16 bit Sampling Frequencies: 44.1 kHz File Extension: .wav Playback - MP3/AAC/WMA/WAV
  • Frequency Range: LPCM 44/16: 50 - 20,000 Hz MP3 192k: 50 - 18,000 Hz MP3 128k: 50 - 16,000 Hz MP3 48k (Mono): 50 - 14,000 Hz MP3 8k (Mono): 60 - 3,400 Hz
  • Microphone: Built-in, Stereo S-Mic Microphone
  • Recording System: Digital Stereo, Monaural Recording

Audio Features

  • Microphone Sensitivity Feature: (Hi/Med/Lo)
  • Recording Features: 6 Modes: Linear PCM / MP3 320kbps / MP3 192kbps / MP3 128kbps / MP3 48kbps (Mono) / MP3 8kbps (Mono)


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

Convenience Features

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


  • Recording Media: Built-In Flash Memory 4GB³ and Memory Card Expansion Slot (microSD)
  • Recording and Playback Times: Linear PCM (16 bit): 6 hrs; Max 22 hrs battery MP3 (192 kbps): 44 hrs 40 min; Max 24 hrs battery life MP3 (128 kbps): 67 hrs 5 min; Max 24 hrs battery life MP3 (48 kbps MONO): Max 178 hrs; Max 25 hrs MP3 (8 kbps MONO): Max 1073 hrs; Max 30 hrs
  • Type of Use: Ultra Portable Voice Recorder


  • Display: Full Function backlit LCD Display with recording operation indicator

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 (8 kbps MONO): 4 GB = 1,073 hrs; 8 GB= 2,147 hrs; 16 GB = 4,294 hrs


  • Memory Size: 4 GB = 4,294,967,296 bytes Available: 3.6 GB (3,865,470,566 bytes)


  • Battery Life (Approx): Up to 30 hours
  • Battery Type: Rechargeable MiMH "AAA" x 1 (supplied)
  • Output Power: 90 mW
  • Power Requirements: One LR03 (size AAA) alkaline battery: 1.5 V DC One NH-AAA rechargeable battery: 1.2 V DC


  • 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


  • Speaker Dimensions: Approx. 13/16 in. (20 mm) diameter

What's In The Box:

  • IC Recorder (1)
  • Application Software, Sound Organizer (1)
  • USB connection support cable (1)
  • Stereo Headphones (1)
  • Quick Start Guide (1)

Approximate Weight:

  • Unit: 1 lbs
  • Shipping: 4 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 4 GB Flash Memory/ Up To 1,073 Hours Of Maximum Recording Time/ Stereo S-Microphone For 50-20 kHz Audio Response/ Memory Card Expansion Slot (microSD/microSDHC)/ Automatic/Manual Record Level Settings/ Ease Of Use With White LED Backlight And Calendar Search/ Silver Finish
More reasons to buy the Sony ICDUX533 from Abt Electronics
  • Abt.com is an authorized dealer (Learn More).
  • The Sony ICDUX533 is Brand New.
  • The Sony ICDUX533 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Memory4 GB
Recording FormatMP3/LPCM
Recording Time (hours)1,703 Hours
Height (inches)4.3
Width (inches)1.6
Depth (inches)0.6
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