Product comparison table
- Analog Line
- Digital Line
- SIP protocol
- Display
- Fixing method
- Dimension(cm)
- Weight
- Compression format
- Storage format
- Recording trigger
- Storage media
- Default storage
- Supported capacity
- No PC required
- Display lock
- Voice annoucement
- Playback on device
- Remote control
- Power supply
- SIP recording
- T1/E1
- Landline
- Analog extension
- Digital extension
- Voice memo
- Conference recording
- Radio recording
- Environmental recording
- Microphone recording
- Answering machine
-
- AK Series
- 8~32
- —
- —
- 5" touch screen
- Desktop
19" Rack
- 43*39*9
- 6.6kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- HDD
- 1TB
- 2TB
- ●
- ●
- ●
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- 8~32
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AK8
- 8
- —
- —
- 5" touch screen
- Desktop
19" Rack
- 43*39*9
- 6.6kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- HDD
- 1TB
- 2TB
- ●
- ●
- ●
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- 8
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AK16
- 16
- —
- —
- 5" touch screen
- Desktop
19" Rack
- 43*39*9
- 6.6kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- HDD
- 1TB
- 2TB
- ●
- ●
- ●
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- 16
- ●
- ○
- —
- ●
- ●
- ●
- ●
- ●
- AK24
- 24
- —
- —
- 5" touch screen
- Desktop
19" Rack
- 43*39*9
- 6.6kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- HDD
- 1TB
- 2TB
- ●
- ●
- ●
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- 24
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AK32
- 32
- —
- —
- 5" touch screen
- Desktop
19" Rack
- 43*39*9
- 6.6kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- HDD
- 1TB
- 2TB
- ●
- ●
- ●
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- 32
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
-
- AQ Series
- 4~8
- —
- —
- (Optional)
- Desktop
Wall mount
- 25.2*17.6*4.6
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- SD card/HDD
- 8GB/500GB
- 64GB/2TB
- ●
- (Optional)
- ●
- (Optional)
- ●
- DC19V
- (optional to 32ch)
- —
- 4~8
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AQ4
- 4
- —
- —
- —
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.1Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- SD card
- 8GB
- 64GB
- ●
- —
- ●
- —
- ●
- DC19V
- (optional to 32ch)
- —
- 4
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AQ8
- 8
- —
- —
- —
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.1Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- SD card
- 8GB
- 64GB
- ●
- —
- ●
- —
- ●
- DC19V
- (optional to 32ch)
- —
- 8
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AQ4L
- 4
- —
- —
- 5" touch screen
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.2Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- SD card
- 8GB
- 64GB
- ●
- —
- ●
- —
- ●
- DC19V
- (optional to 32ch)
- —
- 4
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AQ8L
- 8
- —
- —
- 5" touch screen
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.2Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- SD card
- 8GB
- 64GB
- ●
- —
- ●
- —
- ●
- DC19V
- (optional to 32ch)
- —
- 8
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AQ4H
- 4
- —
- —
- —
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.4Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- HDD
- 500GB
- 2TB
- ●
- —
- ●
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- 4
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AQ8H
- 8
- —
- —
- —
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.4Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- HDD
- 500GB
- 2TB
- ●
- —
- ●
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- 8
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AQ4LH
- 4
- —
- —
- 5" touch screen
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.5Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversa
- HDD
- 500GB
- 2TB
- ●
- ●
- ●
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- 4
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AQ8LH
- 8
- —
- —
- 5" touch screen
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.5Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversa
- HDD
- 500GB
- 2TB
- ●
- ●
- ●
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- 8
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
-
- AJ Series
- 1~2
- —
- —
- (Optional)
- Desktop
Wall mount
- 18*14.3*3.2
- 0.68Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- SD card
- 8GB
- 64GB
- ●
- (Optional)
- ●
- (Optional)
- ●
- DC12V
- (optional to 32ch)
- —
- 1
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AJ1
- 1
- —
- —
- —
- Desktop
Wall mount
- 18*14.3*3.2
- 0.68Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- SD card
- 8GB
- 64GB
- ●
- (Optional)
- ●
- (Optional)
- ●
- DC12V
- (optional to 32ch)
- —
- 1
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AJ2
- 2
- —
- —
- —
- Desktop
Wall mount
- 18*14.3*3.2
- 0.68Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- SD card
- 8GB
- 64GB
- ●
- (Optional)
- ●
- (Optional)
- ●
- DC12V
- (optional to 32ch)
- —
- 2
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AJ1L
- 1
- —
- —
- 5" touch screen
- Desktop
Wall mount
- 18*14.3*3.2
- 0.68Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- SD card
- 8GB
- 64GB
- ●
- (Optional)
- ●
- (Optional)
- ●
- DC12V
- (optional to 32ch)
- —
- 1
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- AJ2L
- 2
- —
- —
- 5" touch screen
- Desktop
Wall mount
- 18*14.3*3.2
- 0.68Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity reversal
- SD card
- 8GB
- 64GB
- ●
- (Optional)
- ●
- (Optional)
- ●
- DC12V
- (optional to 32ch)
- —
- 2
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
-
- DR Series
- 8~16
- —
- —
- 1.77“LCD
- Desktop
19" Rack
- 42.8*17.8*4.7
- 2.53Kg
- ADPCM
- WAV
- Voltage
Voice
Manua
Polarity reversal
- HDD
- 500GB
- 2TB
- ●
- —
- ●
- —
- ●
- DC19V
- (optional to 32ch)
- —
- 8~16
- ●
- —
- —
- ●
- ●
- ●
- ●
- —
- DR8
- 8
- —
- —
- 1.77“LCD
- Desktop
19" Rack
- 42.8*17.8*4.7
- 2.53Kg
- ADPCM
- WAV
- Voltage
Voice
Manua
Polarity reversal
- HDD
- 500GB
- 2TB
- ●
- —
- ●
- —
- ●
- DC19V
- (optional to 32ch)
- —
- 8
- ●
- —
- —
- ●
- ●
- ●
- ●
- —
- DR16
- 16
- —
- —
- 1.77“LCD
- Desktop
19" Rack
- 42.8*17.8*4.7
- 2.53Kg
- ADPCM
- WAV
- Voltage
Voice
Manua
Polarity reversal
- HDD
- 500GB
- 2TB
- ●
- —
- ●
- —
- ●
- DC19V
- (optional to 32ch)
- —
- 16
- ●
- —
- —
- ●
- ●
- ●
- ●
- —
-
- AQS Series
- 0
- —
- G711A G711U GSM G729
- (Optional)
- Desktop
Wall mount
- 25.2*17.6*4.6
- ALAW,ULAW,G729,GSM
- WAV
- Protocol
- SD card/HDD
- 8GB/500GB
- 64GB/2TB
- ●
- (Optional)
- —
- (Optional)
- ●
- DC19V
- (optional to 32ch)
- —
- —
- —
- —
- —
- —
- —
- —
- —
- —
- AQS
- 0
- —
- G711A, G711U GSM ,G729
- —
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.1Kg
- ALAW,ULAW,G729,GSM
- WAV
- Protocol
- SD card
- 8GB
- 64GB
- ●
- —
- —
- —
- ●
- DC19V
- (optional to 32ch)
- —
- —
- —
- —
- —
- —
- —
- —
- —
- —
- AQSL
- 0
- —
- G711A, G711U GSM ,G729
- 5" touch screen
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.2Kg
- ALAW,ULAW,G729,GSM
- WAV
- Protocol
- SD card
- 8GB
- 64GB
- ●
- ●
- —
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- —
- —
- —
- —
- —
- —
- —
- —
- —
- AQSH
- 0
- —
- G711A, G711U GSM ,G729
- —
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.4Kg
- ALAW,ULAW,G729,GSM
- WAV
- Protocol
- SD card
- 50GB
- 2TB
- ●
- —
- —
- —
- ●
- DC19V
- (optional to 32ch)
- —
- —
- —
- —
- —
- —
- —
- —
- —
- —
- AQSLH
- 0
- —
- G711A, G711U GSM ,G729
- 5" touch screen
- Desktop
Wall mount
- 25.2*17.6*4.6
- 1.5Kg
- ALAW,ULAW,G729,GSM
- WAV
- Protocol
- SD card
- 500GB
- 2TB
- ●
- ●
- —
- ●
- ●
- DC19V
- (optional to 32ch)
- —
- —
- —
- —
- —
- —
- —
- —
- —
- —
-
- AR Series
- 1
- —
- —
- 1.77“LCD
Desktop
- 14.5*7.2*3
- 165g
- ADPCM
- WAV
- Voltage
Voice
Manual
- SD card
- 8GB
- 32GB
- ●
- ●
- ●
- ●
- —
- DC5V
- —
- —
- 1
- ●
- —
- ●
- ●
- ●
- ●
- ●
- (Optional)
- AR100
- 1
- —
- —
- 1.77“LCD
Desktop
- 14.5*7.2*3
- 165g
- ADPCM
- WAV
- Voltage
Voice
Manual
- SD card
- 8GB
- 32GB
- ●
- ●
- ●
- ●
- —
- DC5V
- —
- —
- 1
- ●
- —
- ●
- ●
- ●
- ●
- ●
- —
- AR120
- 1
- —
- —
- 1.77“LCD
Desktop
- 14.5*7.2*3
- 165g
- ADPCM
- WAV
- Voltage
Voice
Manual
- SD card
- 8GB
- 32GB
- ●
- ●
- ●
- ●
- —
- DC5V
- —
- —
- 1
- ●
- —
- ●
- ●
- ●
- ●
- ●
- ●
-
- AF系列
- <128
- <240
- —
- —
- Desktop
19" Rack
- 51*50*19
- 13Kg
- ADPCM
- WAV
- Voltage
Voice
Manual
Polarity Reversal
- HDD
- 1TB
- 4TB
- ●
- PC screen saver
- —
- —
- ●
- Powered by PC
- 1500ch. on PC
- 240PRI on PC
- 128
- ●
- —
- —
- ●
- ●
- ●
- ●
- —
-
- USB Series
- 1~8
- —
- —
- —
(Optional)
- (See details)
- (See details)
- ADPCM
- WAV
- Voltage
Voice
Manual
- PC HDD
- —
- PC HDD based
- —
- PC screen saver
- ●
- —
- ●
- Powered by PC
- 1500ch.on PC
- 240PRI on PC
- 1~8
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- F1
- 1
- —
- —
- —
Desktop
- 13.8*10.6* 2.5
- 223g
- ADPCM
- WAV
- Voltage
Voice
Manual
- PC HDD
- —
- PC HDD based
- —
- PC screen saver
- ●
- —
- —
- Powered by PC
- 1500ch. on PC
- 240PRI on PC
- 1
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- F2
- 2
- —
- —
- —
- Desktop
Wall mount
- 13.8*10.6* 2.5
- 450g
- ADPCM
- WAV
- Voltage
Voice
Manual
- PC HDD
- —
- PC HDD based
- —
- PC screen saver
- ●
- —
- ●
- Powered by PC
- 1500ch. on PC
- 240PRI on PC
- 2
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- F4
- 4
- —
- —
- —
- Desktop
Wall mount
- 13.8*10.6* 2.5
- 450g
- ADPCM
- WAV
- Voltage
Voice
Manual
- PC HDD
- —
- PC HDD based
- —
- PC screen saver
- ●
- —
- ●
- Powered by PC
- 1500ch. on PC
- 240PRI on PC
- 4
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●
- F8
- 8
- —
- —
- —
- Desktop
Wall mount
- 13.8*10.6* 2.5
- 450g
- ADPCM
- WAV
- Voltage
Voice
Manual
- PC HDD
- —
- PC HDD based
- —
- PC screen saver
- ●
- —
- ●
- Powered by PC
- 1500ch. on PC
- 240PRI on PC
- 8
- ●
- —
- —
- ●
- ●
- ●
- ●
- ●