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Description
4-CH Embedded Digital Video Recorder Kit (1 / 3 Sony CCD, 650TVL, 24 x IR LED, 6mm Lens, IR Distance: 25m, H.264 (8204EV+622A), 8204EV+622A, 1 / 3 Sony CCD, 650TVLTechnical Parameters 1) Main specifications features: Specific description 2) Operating system: LINUX OS 3) Video compression format: Main profile H. 264 4) Video input: 4 channels BNC 5) Video output: 1 channel BNC 6) Audio input: 4 channels RCA 7) Audio output: 1 channels RCA 8) Display: 1 9 channel 9) Multiplex operation: Live display, recording, network transmission, recording, backup, mobile phone surveillance simultaneously 10) Display
Technical Parameters1) Main specifications features: Specific description
2) Operating system: LINUX OS
3) Video compression format: Main profile H.264
4) Video input: 4 channels BNC
5) Video output: 1 channel BNC
6) Audio input: 4 channels RCA
7) Audio output: 1 channels RCA
8) Display: 1/9 channel
9) Multiplex operation: Live display, recording, network transmission, recording, backup, mobile phone surveillance simultaneously
10) Display resolution: PAL D1 (704 x 576), NTSC D1 (704 x 480)
11) Recording mode: Timer / manual / motion detection / alarm
12) Recording frame rate: PAL 25fps, NTSC 30fps
13) Recording quality: High, normal, low
14) Recording resolution: CIF / Half-D1 / D1
15) Recording playback: 4 channel playback simultaneously (optional playback channel), Support remote file playback, rapid play by times (Fast Backward) Play by frame etc
16) Recording backup: Support USB disk backup, moved hard disk backup, network backup, backup by files, backup by time
17) Network transmission: 4 channels Real-time network transmission with CIF resolution
18) Recording display: Special player, support AVI file format conversion
19) JPEG capture function: Support, 3M Pixels@10fps
20) Email alarm: Send pictures to the designated Email
21) Support PTZ
22) PTZ protocol: PELCO-D, PELCO-P
23) HDD: Support 1 SATA HDD, capacity to 2TB (HDD is not included)
24) Support HDD remain time hint
25) Network and protocol: 1 RJ-45 10 / 100M via Ethernet, support TCP / IP, DHCP, UPNP, DNS, DDNS, NTP etc
26) Support IE browser
27) Support Client software
28) Dual stream: Support (main and secondary interchange)
29) Group play: At least support five users online access
30) Support multi-language
31) Mobile phone surveillance: Support Windows, Symbian, iPhone, Blackberry, Android operation systems
32) SDK package: Available
33) Mouse interface: USB 2.0
34) Backup interface: USB 2.0
35) Remote controller: Support (Support controller ID matching)
36) User authority: Support multi-level user authority distribution
37) Time / date format: Support (adjustable)
38) Power: DC 12V / 3A
39) Working temperature: -20 ~ +60 Degrees Celsius
40) Working humidity: 10%~90%
41) Recording frame rate: 25fps/s
Package:
1) One IR remote controller
2) One pair of remote controller batteries
3) One piece of product certificate
4) One piece of product warranty card
5) One piece of user manual
6) One DC 12V 3A power adapter
7) One piece of CD
8) 4 x 1 / 3 Sony 650TVL CCD
9) 4 x CCD connect cable (25M)
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Solid!
Style: AVR-X3800H
It's a rock-solid receiver with modern and future-proof features. Denon isn't the flashiest or most aesthetically pleasing design; however, the unit is reliable and sounds great. I used Dirac Live to fine tune the system, and it's been a worthwhile upgrade from my X-2700.
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Reviewed in the United States on July 15, 2025
★★★★★ 1
DOA
Style: AVR-X3800H
It was Dead On Arrival. It powered on for a few seconds, then powered off. I sent it back.
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Reviewed in the United States on February 19, 2026
★★★★★ 5
Never would have known it was a refurbished AVR
Style: AVR-X3800H
Unit arrived as in new condition. No flaws and complete.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Great replacement to my older 5.1 Yamaha receiver.
Style: 7.2 Receiver
Great replacement for an older Yamaha. My previous unit lasted 10 years and I see no reason why this new one wont last another 10. Familiar features and setup to other Yamaha receivers. Zero issues with setup and contrary to others, you can use all the features without the app. While the app does add some features for streaming, the unit is fully usable as a receiver for movies, surround, etc. without the app. Overall the sound improvement is spectacular, the high slew rate really makes a difference and DSP much improved over the older 10 year old unit I had. Solid hardware, solid setup and while I'm not about Brand Loyalty, the Yamaha still had better features, reviews and quality than the other major brands. I would have no issue recommending this to unit to anyone. Remember, these units are about the sound they offer, not the the wiz bang features you see in some other units. Reliable hardware, reliable sound and a rich feature set makes this unit a no brainer.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
Great receiver for money!
Style: 7.2 Receiver
I got this to replace my lackluster Onkyo TX-NR6050 I purchased from Costco. Three areas stand out for me with the Yamaha receiver:
1: Audio, movies sound great, dialogue is clear. Action scenes are impactful and dynamic.
2: Picture quality, bright, vibrant and beautiful colors from my PC and from my Firestick.
3: Ease of use, out of the box ready to go. Menu is dated (no gui really just an overlay, which is fine by me). Renaming inputs, adjusting speaker settings and setting EQ preferences super easy. Took about 20-25 minutes to fully setup. In those 20-25 minutes I was already way ahead of the Onkyo.
Great value for the price! Volume is very easy to set!
Still have to test PS5 performance, Bluetooth connectivity, USB settings, WiFi and a few other items. I’ll probably end up buying a Blu-ray player since this was so easy to setup! Or maybe use my PS5/Xbox One :)
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Reviewed in the United States on October 15, 2025