Capacity (User available capacity)

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 stored in the IC recorder will be deleted.

Maximum number of folders (for a drive)

400 folders

Maximum number of files (for a folder)

199 files

Maximum number of files (for a drive)

4,074 files (When 21 folders are contained in a drive.)

Frequency range

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

Compatible file formats

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

Speaker

Approx. 10 mm × 6 mm (13/32 in. × 1/4 in.)

Input/Output

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

Playback speed control (DPC)

3.00 times - 0.25 times

Power output

150 mW

Power requirements

Built-in rechargeable lithium-ion battery: 3.7 V DC

Operating temperature

5 °C - 35 °C (41 °F to 95 °F)

Dimensions (w/h/d) (not incl. projecting parts and controls) (JEITA) (*6)

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.)

Mass (JEITA) (*6)

ICD-SX733/SX734

Approx. 81 g (2 3/4 oz)

ICD-SX1000

Approx. 82 g (3 oz)

Supplied accessories

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)

Maximum recording time (*1)(*2)

The maximum recording time of all the folders is as follows.

LPCM 96kHz/24bit (*3)

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.

LPCM 44.1kHz/16bit (//)

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.

MP3 320kbps

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.

MP3 192kbps (///)

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.

MP3 128kbps ()

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.

MP3 48kbps(MONO)

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

The maximum playback time of a music file/number of files (*1)

48 kbps

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

128 kbps

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

256 kbps

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.