Height 57
Width 42
Thickness 6.5
Weight 20 g
Record time (memory capacity in hours) 300h
Battery life in record mode 20 h
Power supply 3.7 V
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Witness digital recorder is a professional device intended for making high quality record of voice messages into built-in flash memory. The recordings can be further uploaded onto the PC. The Recorder is applied as personal means of documenting audio information and can be used as personal system of audio surveillance for various companies and its workers, which helps to improve the work performance and to solve any conflicts easily and immediately by constant recording of any conversations in place. The Recorder features magnet mount for comfortable fixation on clothes, and the option to save personal information about its owner.

Main functions:

·         Voice Activation System (VAS);

·         2 timers to enable recording at the preset time (Daily and Once);

·         Circular Recording;

·         System of digital markers to check unauthorized record editing;

·         LED indication of recording status;

·         Magnet mount to fix the Recorder on clothes.

Technical Characteristics



Sampling rate

4,8,16, kHz

ADC bitrate

16 bit

Compression algorithms

Without compression/ u-Law/ADPCM 2 and 4 bit

Frequency band

from 70 Hz to 6 kHz

Signal-to-noise ratio

70 dB

Exchange speed

from 1,5 Mb/s via USB adapter

Acoustic sensitivity

up to 9 m

Power supply

Built-in Li-Ion rechargeable battery 130  mAh 3.7 V

Rechargeable battery charge current

up to 80 мA

Operating temperature

from 0 to +40 °С

Data carrier

built-in Flash-memory

Memory capacity in hours (8kHz compression 2-bit ADPCM)

300 HQ (2Gb)


Height 57
Width 42
Thickness 6.5
Weight 20 g
Record time
(memory capacity in hours)
Battery life in record mode 20 h
Power supply 3.7 V
Built-in microphone sensetivity up to 9 m
Built-in flash memory 2 Gb
Interface USB 2.0
Audiocodec 8 bit, 16 bit, 24 bit
Audio recording mode Mono
Recording format WAV
Compression method without compression, uLaw
Frequency band 0,07-6 kHz
Dynamic range 70 dB
Sample rate 8, 16, 22
Controls button
Indication of operation LED
Voice Activating System YES
Timer recording YES
Battery charging time 3-5 hours

Delivery set:

1. The recorder with magnet mount
2. USB adapter
3. Short Operating Instruction with Warranty
4. Package box

Please note: software upgrade can cause recorder’s breakdown. This is not a warranty case. All the new recorders have the latest software version and there is no necessity to upgrade software after buying the recorder. Don’t take the risk. In case there are problems with audio recorder operation please apply to our technical support specialist: support@ts-market.com

Software Firmware Manual to
Series manual Supplement to the model
Witness short manual Witness full manual
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