Home Security & Protection DVR 4 Channel 2017 Product List
Total 17,279 products from about 1,079

 4 Channel manufacturers & suppliers

4 Channel High Quality High Power Amplifier 1000W*4 (FP10004-A)

Min. Order: 10 Pieces
  • Type: Professional Amplifier
  • Usage: KTV System
  • Used For: Professional
  • Tube Type: Transistor Amplifier
  • Function: Post Amplifier
  • Sound Channel: 4.1

Line Array/Professional Speaker/ High Power/ 4 Channels /Switching Power Amplifier

FOB Price: $430 - $450 / Piece
Min. Order: 1 Piece
  • Noise: <95dB
  • Hi-Fi: Hi-Fi
  • Activity: Passive
  • Operation Mode: Button Control
  • Speaker System: Optional Combination
  • Speaker Material: Metal

HD 1080P 4 Channel Car Mobile DVR with GPS Tracking WiFi 3G 4G

Min. Order: 1 Piece
  • Type: Standalone
  • Video Compression: H.264
  • Compressed Format: H.264
  • Operating System: Linux
  • Application: Both Commercial and Individual
  • Interface Type: HD Sdi

4 Channels, 2u Standard Power Amplifier

FOB Price: $280 - $650 / Piece
Min. Order: 1 Piece
  • Type: Professional Amplifier
  • Usage: Hi-Fi, AV, KTV System
  • Used For: Professional
  • Tube Type: Transistor Amplifier
  • Function: Post Amplifier
  • Sound Channel: 3.1

Ls-Q6 Four Channels Digital Audio UHF Wireless Microphone

Min. Order: 100 Pieces
  • Style: Handheld Microphone
  • Application: Music, Voice, Meeting, Karaoke
  • Signal Transmission: Wireless
  • Directivity: Uni-direction
  • Sound Channel: Mono
  • Transducer Principle: Electrodynamic Microphone

PA System PRO Audio Four Channel SMPS Speaker Power Amplifier

FOB Price: $1 - $340 / Piece
Min. Order: 1 Piece
  • Type: Professional Amplifier
  • Usage: KTV System, Entertainment, Performance, Meeting Room, Stadium
  • Used For: Professional
  • Tube Type: Transistor Amplifier
  • Function: Post Amplifier
  • Sound Channel: 4

Cheapest 4 Channels Professional Fp10000q Fp14000 Power Amplifier (YS-613)

FOB Price: $400 - $750 / Piece
Min. Order: 2 Pieces
  • Type: Professional Amplifier
  • Usage: KTV System
  • Used For: Professional
  • Tube Type: Transistor Amplifier
  • Function: Post Amplifier, Amplifier Combined, Pre-amplifier
  • Sound Channel: 6.1

Fp10000q 10000W 4 Channel 2 Ohms Stable Professional Audio Amplifier, High Power Amplifier

FOB Price: $300 - $700 / Piece
Min. Order: 1 Piece
  • Type: Professional Amplifier
  • Usage: AV, KTV System
  • Used For: Professional
  • Tube Type: Transistor Amplifier
  • Function: Post Amplifier, Amplifier Combined
  • Sound Channel: 4.1

UHF RFID High Performance Smart Card 4 Channel Fixed Reader

FOB Price: $400 - $500 / Piece
Min. Order: 1 Piece
  • Type: RFID Reader
  • Card Type: UHF Chip
  • Interface: Serial Port, RS232/RS485 TCP/IP WiFi Optional
  • Reading Distance: >10m
  • Application: Parking, Hospital, Library, Company, Bank, Store
  • Working Frequency: 860-960MHz

64G/128g SD Mobile DVR 4 Channels for Vehicle and Remote Area Surveillance

FOB Price: $1 - $115 / Piece
Min. Order: 1 Piece
  • Interface: Airplug
  • Operating System: Linux
  • Number of Supported Hard Disk: 1
  • Compression Format: H.264
  • Certification: CE, FCC, RoHS
  • Warranty Time: 13 Months

4 Channel 720p SD Car DVR

FOB Price: US $75 / Piece
Min. Order: 1 Piece
  • Interface: Aviation
  • Operating System: Linux
  • Number of Supported Hard Disk: 1
  • Compression Format: H.264
  • Warranty Time: One Year
  • Stream Type: Hybrid Flow

1080P 4 Channel 3G WiFi Car DVR for CCTV Security System

Min. Order: 1 Piece
  • Interface: BNC\VGA
  • Operating System: Linux
  • Number of Supported Hard Disk: 0
  • Compression Format: H.264
  • Certification: FCC, CE, RoHS
  • Warranty Time: Two Years

Digital Hearing Aid 4 Channels, Invisible Mini Hearing Aid

FOB Price: $1 - $199 / Piece
Min. Order: 1 Piece
  • Customized: Customized
  • Certification: CE, Ce, FDA, MSDS, ISO13485, SGS, EEC
  • Condition: New
  • Output Type: High Power
  • Signal Processing Type: Digital Hearing Aid
  • Application: Adult

4 Channels, 2u Standard Power Amplifier-Gold Board (Gold and blue color is available)

FOB Price: $280 - $650 / Piece
Min. Order: 1 Piece
  • Type: Professional Amplifier
  • Usage: Hi-Fi, AV, KTV System
  • Used For: Professional
  • Tube Type: Transistor Amplifier
  • Function: Post Amplifier
  • Sound Channel: 3.1

Industrial Control Impinj R2000 Chip 4 Channel UHF RFID Fixed Reader

FOB Price: $450 - $600 / Piece
Min. Order: 1 Piece
  • Type: RFID Reader
  • Card Type: UHF Chip
  • Interface: USB, Serial Port, RS232/RS485 TCP/IP WiFi Optional
  • Reading Distance: >10m
  • Application: Parking, Hospital, Library, Company, Bank, Store
  • Working Frequency: 860-960MHz

Ls-Q4 High Quality Four Channel Wireless Microphone

Min. Order: 100 Pieces
  • Style: Handheld Microphone
  • Application: Music, Voice, Meeting, Karaoke
  • Signal Transmission: Wireless
  • Directivity: Uni-direction
  • Sound Channel: Mono
  • Transducer Principle: Electrodynamic Microphone

4 Channels Professional Audio Power Amplifier

FOB Price: $288 - $388 / Piece
Min. Order: 100 Pieces
  • Type: Professional Amplifier
  • Usage: Hi-Fi, KTV System
  • Used For: Professional
  • Tube Type: Transistor Amplifier
  • Function: Post Amplifier
  • Sound Channel: 4.1

Hot -Sale Professional Power Mixer 4 Channels 150wx2 Mx-402D

FOB Price: $55 - $60 / Piece
Min. Order: 100 Pieces
  • Noise: <102dB
  • Hi-Fi: Not Hi-Fi
  • Activity: Active
  • Operation Mode: Knob Control
  • Speaker System: 2.0 Channel
  • Speaker Material: Metal

Double Plate Four Channel Automatic Tablet Capsule Counting Machine Counter Machine

FOB Price: $1000 - $8000 / Piece
Min. Order: 1 Piece
  • Automatic Grade: Automatic
  • Application: Cleaning, Detergent, Cosmetics, Drinks, Skin Care Products, Dairy Products
  • Type: Pharmaceutical &Food Industry
  • Forming Species: Bottle Forming
  • Forming Function: Customized
  • Driven Type: Electric

Mx Series 4 Channel Class H PRO Power DJ Amplifier

Min. Order: 1 Piece
  • Type: Professional Amplifier
  • Usage: Hi-Fi, DJ
  • Used For: Professional
  • Tube Type: Transistor Amplifier
  • Function: Post Amplifier
  • Rack Size: 3u and 2u

4 Channel Professional Swtich Power Amplifier 1350W*4 (FP10000Q)

FOB Price: $440 - $465 / Piece
Min. Order: 1 Piece
  • Type: Professional Amplifier
  • Usage: KTV System, Club, Stage, Shool, Church
  • Used For: Professional
  • Tube Type: Transistor Amplifier
  • Function: Post Amplifier
  • Sound Channel: 4.0

4-Channel Learning Code Univesal RF Remote Control Switch Kl-K400c

FOB Price: $4.3 - $5 / Piece
Min. Order: 200 Pieces
  • Operation: Remote ON / OFF
  • Certification: RoHS, ISO9001, CE
  • Type: Quad
  • Model Number: Kl-K400c
  • Channel: 4
  • Operating Voltage: DC12V (Customized 9V, 24V)

Yeastar 4 Channel GSM VoIP Gateway with 4 SIM Card for GSM Terminal

Min. Order: 1 Piece
  • Type: Gateway
  • Protocol: TCP/IP
  • Support: VPN
  • Wire or Not: Wire
  • Color: Black
  • GSM Channels: 4

Mobile DVR, 4CH H. 264 Car DVR Kit, Backup, G-Sensor, 4 Channel Truck /Bus Security DVR ...

FOB Price: $99 - $299 / Piece
Min. Order: 2 Pieces
  • Type: Car DVR for Mobile Security
  • Video Compression: H.264
  • Compressed Format: H.264
  • Operating System: Linux
  • Application: Commercial DVR
  • Interface Type: Airplug

4 Channel CCTV Camera Kit with DVR and Camera. 2.0MP 1080P

FOB Price: US $92 / Piece
Min. Order: 1 Piece
  • Video Input/Output: 4 Channel
  • Audio: with Audio
  • Video File Logging Mode: Alarm Recording, Motion Detection Recording, Video Manual, Time Lapse Video
  • Hard Disk Size: 4TB
  • Hdd Supported: 1
  • Type: ASIC Plug-in Type

Inexpensive 3G Single SD 4 Channel Car DVR

FOB Price: US $70 / Piece
Min. Order: 1 Piece
  • Interface: BNC
  • Operating System: Linux
  • Number of Supported Hard Disk: 0
  • Compression Format: H.264
  • Warranty Time: One Year
  • Stream Type: Video Flow

4 Channel RF Transmitter and Receiver Set Motor Controller Kit

FOB Price: $2 - $2.5 / Piece
Min. Order: 100 Pieces
  • Type: Wireless
  • Usage: Personal, Auto, Door, Fire, Window, Gate, Car
  • Certification: SGS, CE, FCC, RoHS
  • Channel: 2CH
  • Receive Frequency: 433.92MHz
  • Transmission Rate: ≥20Kbps

4 Channel H. 264 Standalone 5 in 1 Network CCTV DVR

FOB Price: $18 - $22 / Piece
Min. Order: 1 Piece
  • Type: Standalone
  • Video Compression: H.264
  • Compressed Format: H.264
  • Operating System: Linux
  • Application: Commercial DVR
  • Interface Type: BNC/VGA/HDIM

High Performance 4 Channel Coal Powder Burner

Min. Order: 1 Set
  • Type: Heating Machine
  • Usage: Calcine
  • Power Resources: Coal and Air
  • Color: Customized
  • Quality: Top Class
  • Warrantly: One Year

Cheap 4 Channel CCTV Security Camera DVR Systems Waterproof DVR Kit

FOB Price: $118.8 - $128.7 / Set
Min. Order: 1 Set
  • Type: Standalone
  • Video Compression: H.264
  • Compressed Format: H.264
  • Operating System: Linux
  • Application: Commercial DVR
  • Interface Type: BNC/VGA/HDIM
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