The ICD-BX140 4GB MP3 Digital Voice IC Recorder from Sony allows you to record voice memos, interviews, presentations, and more as MP3 files. The recorder features 4GB of internal storage, as well as a built-in microphone for capturing your audio without the need for an external microphone. A 1/8" microphone input provides the option of using an optional external microphone if desired.

The unit is powered by 2 AAA batteries, which are included, that provide up to 45 hours of recording when using the 8kbps setting and up to 28 hours at 128kbps. In addition to recording, the ICD-BX140 is also capable of playing back MP3 files via its integrated speaker or through its 1/8" headphone jack.

Loud and Clear

The ICD-BX140 digital voice recorder has a built-in microphone, eliminating the need for an external microphone, though it does support one

LCD Visibility

The LCD panel shows your recording and playback information in readable characters. The display is backlit to provide visibility in dim areas

Designed for Ease of Use

The recorder has large front buttons for easier access and operation

Built-In Speaker

Noise Cut Function

Low Cut Filter

Digital Pitch Control (Speech Control)

Sony ICD-BX140 4GB MP3 Digital Voice IC Recorder

Out of Stock
  • Key Features

    • Records in MP3 Format
    • 4GB Internal Memory
    • Built-In Microphone
    • Built-In Speaker
    • Up to 45 Hours Recording Battery Life
    • Voice-Operated Recording
    • Noise-Cut Function
    • Includes 2 AAA Batteries
  • Recording

    Type Digital
    Mode Mono
    Recording Format MP3, MP4
    Recording Time LP Mono: 65.2 Hours (MP3)
    Voice Activated Recording Yes
    Microphone Type Internal Mono
    Frequency Response 75 Hz - 15 kHz


    Playback Formats MP3
    Speaker Yes
    Speaker Size 1.1" / 28 mm
    Power Output 300 mW


    Display Size/Type LCD Backlit
    Message Folder 495 (Maximum)


    Battery Type 2 x AAA
    Battery Life (approx.) Recording: 28 Hours @ 44.1 kHz 128 Kbps MP3
    Recording: 45 Hours @ 44.1 kHz 8 Kbps MP3


    Internal Memory Installed: Flash Memory - 4 GB
    Connectors 1/8" mini Female Microphone In
    1/8" mini Female Headphone Out
    Dimensions (WxHxD) 1.52 x 4.54 x .84" / 38.5 x 115.2 x 21.3 mm
    Weight 2.54 oz / 72 g