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Best 4 channel

Rockville Krypton MF4 2400w Peak / 600w RMS 4 Channel Marine Amplifier Boat Amp

  • Rockville KRYPTON MF4 2400 Watt Peak and 600w Dyno Certified RMS Class AB 4-Channel Marine Amplifier..
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 150 Watts x 4 Channels .
  • Painted Conformal Coating PCB Board (Uses 2577 Waterproof Glue) . Rustproof Aluminum heat sink with black hairline finish. Stainless steel end panels are rustproof. All screws and mounting hardware are stainless steel and rustproof. Bottom panel is aluminum and rustproof..
  • Marine public address system with microphone with talkover function. All channels on the amp have crossovers so they can each be used for subs or full range speakers or tweeters or midrange speakers. All channels on the amplifier are bridgeable. Digital Voltage Display on Amp..
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Rockville KRYPTON F2 2400w Peak/600w RMS 4 Channel Amplifier Car Stereo Amp

  • Rockville KRYPTON F2 2400w Peak/600w Dyno-Certified RMS 4 Channel Amplifier Car Stereo Amp..
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 150 Watts x 4 Channels.
  • 4 Ohm Bridged: 300 Watts x 2 Channel. Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 2 Ohm: 600 Watts x 4 Channels. 4 Ohm: 400 Watts x 4 Channels. 4 Ohm Bridged: 1200 Watts x 2 Channels..
  • All channels on the amp have crossovers so they can each be used for subs or full range speakers or tweeters or midrange speakers. All channels on the amplifier are bridgeable. Digital Voltage Display on Amp..
  • Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Adjustable Subsonic Filter: 15Hz -40Hz (This filter is on the HPF knob). Adjustable Low Pass Filter: 40Hz – 4KHz. Adjustable Band Pass Filter: 15 Hz - 4 kHz (use both the HPF and LPF filter). Adjustable High Pass (Subsonic) Filter: 15 Hz - 4 kHz.
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Rockville Atom P20 Marine/ATV/Car Bluetooth Amplifier 1600w Peak/440w RMS 4 Channel w/Volt Meter, Black

  • Rockville ATOM P20 1600 Watt Peak/440 Watt Dyno-Certified RMS 4 Channel Class AB ATV/Car Stereo Amplifier With Bluetooth..
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 110 Watts x 4 Channel .
  • 2 Ohm: 400 Watts x 4 Channel. 4 Ohm: 260 Watts x 4 Channel. 4 Ohm Bridged: 800 Watts x 2 Channel. Digital Voltage Display on Amp. Adjustable Low Pass Filter: 50Hz – 250Hz..
  • Adjustable High Pass Filter: 50Hz – 250Hz. Painted Conformal Coating PCB Board (Uses 2577 Waterproof Glue). Rustproof Aluminum heat sink with black hairline finish.
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AllAboutAdapters 4-Channel HD-TVI HD-CVI AHD RCA Quad Video to HDMI VGA Converter Switcher with Picture-in-Picture Support

  • Supreme 4-channel HD/SD video mixer solution designed for multiple camera or DVR video feeds to be displayed on one screen. Each one of the 4 BNC inputs can accept either HD-TVI, AHD, HD-CVI type HD input or analog BNC/RCA composite video from camera or DVR.
  • Provides simultaneous HDMI output, VGA output and 2 BNC/RCA analog video outputs. Doubles as a 4 in 1 out HD-TVI HD-CVI AHD BNC RCA to HDMI VGA converter switcher..
  • Able to accept mix of HD-TVI, HD-CVI, AHD and analog BNC/RCA video inputs from camera, DVR and other compatible inputs at the same time. Combine all or selected input video feeds into different styles of split-screen views on one display for preview, live monitoring or video recording..
  • Selectable HDMI video outputs at 720p/50Hz, 720p/60Hz, 1080p/50Hz, 1080p/60Hz, 1280x720 pixels and 1980x1080 pixels. Selectable VGA video outputs at 1024x768, 1280x1024 and 1440x900 pixels..
  • Easy IR remote control and individual manual push buttons for easy and fast switching between video inputs. Supports total 8 screen modes including: 4-channel quad screen mode 4-channel split screen with overlay of 3 sub video channels onto the main channel screen 3-channel split screen mode 2-channel screen in horizontal split fashion 2-channel scr....
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JBL STAGE A6004 - 4 Channel 60W x 4 full range amplifier

  • JBL 4-Channel 60W x 4 full range amplifier.
  • Included components: AmplifierSpare Fuse (x2 for 1-channel and 4-channel model)Quick start guide, High-level input cable (x2 for 4-channel model)2x two-color JBL Brand Stickers, Mounting hardware, Mounting screws.
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Rockville RXD-M3 4000 Watt/2000w RMS Mono Class D 1 Ohm Amplifier Car Stereo Amp

  • Rockville RXD-M3 4000 Watt/2000w RMS Mono Class D 1 Ohm Car Stereo Amplifier With Optical Coupler Technology..
  • CEA Compliant Power Ratings: 1 Ohm: 1000 Watts x 1 Channel .
  • RMS Power Ratings: 1 Ohm: 2000 Watts x 1 Channel. 2 Ohm: 1500 Watts x 1 Channel. 4 Ohm: 1100 Watts x 1 Channel..
  • Peak: 1 Ohm: 4000 Watts x 1 Channel. 2 Ohm: 3000 Watts x 1 Channel. 4 Ohm: 2200 Watts x 1 Channel..
  • High-Speed MOSFET Power Supply. Optical Coupler Class "D" Technology. Studio-Grade Bipolar Output Stage Transistors..
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Wireless Microphone System, Phenyx Pro Quad Channel Cordless Mic Set with Metal Handheld Mics, 4x40 Channels, Auto Scan, Long Distance 328ft, Ideal for DJ, Church, Outdoor Events (PTU-7000A)

  • PREMIUM WIRELESS PERFORMANCE: 4 channel UHF wireless microphone system with selectable frequency. Channel 1: 538.3 - 550Mhz (40 channels). Channel 2: 554.8 - 566.5MHz. Channel 3: 571.3 - 583MHz. Channel 4: 587.8 - 599.5MHz. Employs PLL frequency synthesized technology to provide hassle-free sound transmission, minimum dropouts, and maximum feedback rejection. Smooth and quick IR synchronization. Long range operation of 290ft – 328ft line of sight.
  • STURDY BUILD, MULTICHANNEL MULTISET FEATURE: Sturdy metal builds for the wireless receiver and cordless mic. The cardioid dynamic cartridge is engineered for clear robust optimal true sound. The multichannel feature enables users to select different frequencies when preset frequency fails, thus ensuring interference-free reliable performance. In a total of 4x40 channels, allowing up to 40 systems to be used at the same time. Ideal for church, wedding, karaoke, DJ gigs, public speaking, etc.
  • AUTO SCAN FEATURE AND ANTI-INTERFERENCE FEATURE: UHF microphone system equips with auto scan function, which enables the system to search for the least interference channel to pair up with transmitters. It also has one 1/4’’ mixed output and 4 XLR separate outputs. 4 antennas design increases anti-interference abilit....
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Denon Professional DN-474A | 2x2-Channel 120W Dual Impedance Amplifier for the Contractor / Commercial Install Market

  • Powerful Sound – 4 channel 120W Class D power amplifier.
  • engineered for the distribution of multiple 70V/100V speaker systems over long cable runs and for shorter runs to lo-impedance speakers.
  • Versatile connectivity – Two 120W channels with 70V/100V outputs.
  • Commercial Grade Features – Compact one rack space amplifier with built-in short circuit protection and LED indicators for signal present, clipping status and thermal interruption on the front panel.
  • Easy Access Control – Separate gain controls for each channel.
  • Connectivity Covered – (4) Euroblock channel inputs (ground, -, +) and (8) Euroblock channel outputs - (2) per channel (70V, 100V, 4Ω, 8Ω).
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Boss PV3700 3700W 5 Channel Car Audio Amplifier Power LED Amp + Remote (2 Pack)

  • 206 Watt x 4 channel + 750 Watt x 1 channel @ 4 Ohm.
  • 500 Watt x 4 channel + 1500 watt x 1 channel @ 2 ohm.
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CRUNCH 4X250@4OHMS,2X1000WATTS@4OHMS BRI

  • 2 channels x 1,000 watts (mono bridged) @ 4 ohms.
  • Operates in 4-channel stereo, dual stereo bridged, stereo + bridged mono, or dual bridged mono.
  • Variable electronic crossover: 12 dB per octave.
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Samsung SDR-B74301N2T 8 Channel Full HD 1080p Video Security DVR with 2TB Hard Drive from SDH-B74081 (Renewed)

  • T POWER - Brand-new Input Voltage Range: Output: ( 12vdc ).
  • Brand-new Input Voltage Range: AC 100V - 240V 12VDC, Come with 8-ports connector for cameras ) ( For Camera Only ) ( barrel connector , not 4-pin ).
  • Compatibility: Samsung 8 x channel SDC-7340BC SDC-7340BCN SDC-7340BCN,US 720TVL CCTV 720 TV 72? Wide Angle Night Vision Camera Weatherproof Security Camera & (SDS-P3040 SDS-P4040 SDR-3102N) Samsung SDH-C75100 and SDH-C75080 16 Channel HD Security DVR SDR-C75300 ( Fits DVR or Cameras ) ( Come with 8-ports connector for cameras ) Samsung EP06-000080A EP06-000080A (ADP-4812) models: SDE, SDS, and SDH series , SDE Series: 4 Channels: SDE-3001, SDE-3003, SDE-3004 ,.
  • 8 Channels: SDE-4001, SDE-4002, SDE-4003, SDE-4004 SDE4001, SDE4002, SDE4003, SDE4004 , SDS Series : 4 Channels: SDS-P3040, SDS-V3040 , 8 Channels: SDS-P4080, SDS-V4041, SDS-V4040 SDH Series : 8 Channels: SDH-P4040, SDH-P4080 Samsung SDE Series 4 , 8 Channels DVR Security Cam CCTV System Digital Video Recorder Camera ( For Camera Only ) Samsung SDS-P3022 SDS-P3040 SDS-P3042 SDS-P4040 SDS-P4082 SDS-P5082 SDSP3022 SDSP3042 SDSP4082 SDSP5082 ,.
  • SDR-5102 SDR-5102N2T SDS-P5082 SDR-3102 DVR Security CCTV System Digital Video Recorder ( Fits DVR or Cameras ) , Samsung SDS-P5102 SDS-P5122 SDSP5102 SD....
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(2)Rockville RSG12 12 3Way 1000 Watt 8Ohm Passive DJ PA Speaker +Stands +Cables

  • What's in the Box: Amplifier, PA microphone, Birth sheet with Dyno-tested power, Mounting Screw Kit, Owner’s manual, Warranty..
  • Features: Rockville ATOM S20 1600 Watt Peak/440 Watt Dyno-Certified RMS 4 Channel Class AB Marine Stereo Amplifier With Bluetooth, Digital Voltage Display on Amp, Microphone input and PA microphone included, Adjustable Low Pass Filter: 50Hz - 250Hz, Adjustable High Pass Filter: 50Hz - 250Hz, Painted Conformal Coating PCB Board (Uses 2577 Waterproof Glue), Rustproof Aluminum heat sink with silver hairline finish, Stainless steel end panels are rustproof, Bottom panel is aluminum and rustproof..
  • Dyno Certified RMS Power Ratings - 2 Ohm: 110 Watts x 4 Channel 003c1% THD+N @ 14.4 Volts. 4 Ohm: 70 Watts x 4 Channel 003c1% THD+N @ 14.4 Volts. 4 Ohm Bridged: 220 Watts x 2 Channel 003c1% THD+N @ 14.4 Volts..
  • Peak: 2 Ohm: 400 Watts x 4 Channel. 4 Ohm: 260 Watts x 4 Channel. 4 Ohm Bridged: 800 Watts x 2 Channel. (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc).
  • 25 Amp x 2 ATC Fuse, Frequency Response: 10Hz - 50KHz, Bluetooth On Mode LED Indicator, Status Mode LED Indicator, 8 Volt Preamp Circuitry, RCA Line Output, Bluetooth On and Off Mode Switch, 2CH/4CH Input Mode Switch, Mute and Delay ....
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Crunch SA-1100.4 Smash Series 1,100-Watt 4-Channel Class AB Amp

  • 2 channels x 60 watts (mono bridged) at 4 ohms.
  • Operates in 4-channel stereo, dual stereo bridged, stereo + bridged mono, or dual bridged mono.
  • Fully adjustable variable electronic crossover: 12 dB per octave.
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