ICD-SX733
4 GB (approx. 3.20 GB = 3,435,973,837 Byte)
ICD-SX734
8 GB (approx. 6.40 GB = 6,871,947,674 Byte)
ICD-SX1000
16 GB (approx. 12.80 GB = 13,743,895,347 Byte)
A small amount of the built-in memory is used for file management and therefore not available for user storage.
Note that when the built-in memory is formatted, the Help Guide and the Sound Organizer software stored in the IC recorder will be deleted.
400 folders
199 files
4,074 files (When 21 folders are contained in a drive.)
LPCM 96kHz/24bit: 40 Hz - 40,000 Hz (*1)
LPCM 44.1kHz/16bit: 40 Hz - 20,000 Hz
MP3 320kbps: 40 Hz - 20,000 Hz
MP3 192kbps: 40 Hz - 18,000 Hz
MP3 128kbps: 40 Hz - 16,000 Hz
MP3 48kbps(MONO): 40 Hz - 14,000 Hz
MP3 (*2)
Bit rate: 32 kbps - 320 kbps (Supports variable bit rate (VBR))
Sampling frequencies: 16/22.05/24/32/44.1/48 kHz
File extension: .mp3
WMA (*3)
Bit rate: 32 kbps - 192 kbps, (Supports variable bit rate (VBR))
Sampling frequencies: 44.1 kHz
File extension: .wma
AAC-LC (*4)
Bit rate: 16 kbps - 320 kbps, (Supports variable bit rate (VBR))
Sampling frequencies: 11.025/12/16/22.05/24/32/44.1/48 kHz
File extension: .m4a
LPCM (*5)
Sampling frequencies: 22.05/44.1 kHz
Quantization bit rate: 16 bit
File extension: .wav
LPCM (*1)
Sampling frequencies: 22.05/44.1/48/96/176.4/192
Quantization bit rate: 16 bit
File extension: .wav
LPCM (*1)
Sampling frequencies: 44.1/48/96/176.4/192
Quantization bit rate: 24 bit
File extension: .wav
Approx. 10 mm × 6 mm (13/32 in. × 1/4 in.)
Microphone jack (minijack, stereo)
Input impedance: approx. 4 kΩ
Input for plug in power, minimum input level: approx. 1.5 mV
Headphone jack (minijack, stereo)
Output for 16 Ω to 32 Ω impedance headphones
USB connector (Type-A)
High-Speed USB compatible
Card slot
Memory Stick Micro™ (M2™)/microSD memory card slot
3.00 times - 0.25 times
150 mW
Built-in rechargeable lithium-ion battery: 3.7 V DC
5 °C - 35 °C (41 °F to 95 °F)
ICD-SX733/SX734
Approx. 39.6 mm × 108.6 mm × 14.9 mm (1 9/16 in. × 4 3/8 in. × 19/32 in.)
ICD-SX1000
Approx. 39.6 mm × 110.8 mm × 14.6 mm (1 9/16 in. × 4 3/8 in. × 19/32 in.)
ICD-SX733/SX734
Approx. 81 g (2 3/4 oz)
ICD-SX1000
Approx. 82 g (3 oz)
See “Quick Start Guide” supplied with your IC recorder.
Design and specifications are subject to change without notice.
*1 ICD-SX1000 only
*2 The playback of MP3 files recorded using the IC recorder is also supported. Not all encoders are supported.
*3 WMA Ver. 9 is compatible, however, MBR (Multi Bit Rate), Lossless, Professional, and Voice are not supported. Copyright-protected file cannot be played back. Not all encoders are supported.
*4 Copyright-protected file cannot be played back. Not all AAC encoders are supported.
*5 ICD-SX733/SX734 only
*6 Measured value by the standard of JEITA (Japan Electronics and Information Technology Industries Association)
The maximum recording time of all the folders is as follows.
Built-in memory
6 h. 35 m.
Memory card
2 GB: 55 m.
4 GB: 1 h. 50 m.
8 GB: 3 h. 40 m.
16 GB: 7 h. 25 m.
32 GB: 14 h. 50 m.
Built-in memory
ICD-SX733: 5 h. 20 m.
ICD-SX734: 10 h. 45 m.
ICD-SX1000: 21 h. 35 m.
Memory card
2 GB: 3 h.
4 GB: 6 h. 5 m.
8 GB: 12 h. 10 m.
16 GB: 24 h. 20 m.
32 GB: 48 h. 40 m.
Built-in memory
ICD-SX733: 23 h. 50 m.
ICD-SX734: 47 h. 40 m.
ICD-SX1000: 95 h. 25 m.
Memory card
2 GB: 13 h. 25 m.
4 GB: 26 h. 50 m.
8 GB: 53 h. 40 m.
16 GB: 107 h.
32 GB: 214 h.
Built-in memory
ICD-SX733: 39 h. 45 m.
ICD-SX734: 79 h. 30 m.
ICD-SX1000: 159 h.
Memory card
2 GB: 22 h. 20 m.
4 GB: 44 h. 40 m.
8 GB: 89 h. 25 m.
16 GB: 178 h.
32 GB: 357 h.
Built-in memory
ICD-SX733: 59 h. 35 m.
ICD-SX734: 119 h.
ICD-SX1000: 238 h.
Memory card
2 GB: 33 h. 30 m.
4 GB: 67 h. 5 m.
8 GB: 134 h.
16 GB: 268 h.
32 GB: 536 h.
Built-in memory
ICD-SX733: 159 h.
ICD-SX734: 318 h.
ICD-SX1000: 636 h.
Memory card
2 GB: 89 h. 25 m.
4 GB: 178 h.
8 GB: 357 h.
16 GB: 715 h.
32 GB: 1,431 h.
(h.: hours/m.: minutes)
*1 When you are going to record continuously for a long time, you may need an USB AC adaptor (not supplied). For details on the battery life, see “Battery life.”
*2 The maximum recording time in this topic for your reference only, and may differ depending on the card specifications.
*3 ICD-SX1000 only
ICD-SX733
Playback time: 159 h.
Number of files: 2,385 files
ICD-SX734
Playback time: 318 h.
Number of files: 4,770 files
ICD-SX1000
Playback time: 636 h.
Number of files: 9,540 files
ICD-SX733
Playback time: 59 h. 35 m.
Number of files: 893 files
ICD-SX734
Playback time: 119 h.
Number of files: 1,785 files
ICD-SX1000
Playback time: 238 h.
Number of files: 3,570 files
ICD-SX733
Playback time: 29 h. 45 m.
Number of files: 446 files
ICD-SX734
Playback time: 59 h. 35 m.
Number of files: 893 files
ICD-SX1000
Playback time: 119 h.
Number of files: 1,785 files
(h.: hours/m.: minutes)
*1 In the case where MP3 files of 4 minutes each are transferred to the IC recorder.