Panamax MR4300

Power line conditioner and surge protector

Item #: 299MR4300

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Clean, dependable power for your home theater

Panamax MR4300

Two isolated AC outlet banks reduce inter-component interference and noise contamination. Nine AC outlets, plus in/out sets of coaxial, LAN, and phone line connections are provided.

The Panamax MR4300 will protect your audio/video system from damaging power spikes as well as the minor day-to-day current fluctuations that can compromise your system's performance over time. It can safeguard up to nine components, and it also provides a protected front-panel USB charger for your smartphone, tablet or other portable device. Two front-panel lamps let you illuminate your equipment rack when making adjustments.

Top-quality picture and sound start with clean power

The eight rear-panel AC outlets are divided into two isolated banks to reduce inter-component interference and noise contamination. Four of the outlets accommodate high-current components like an amplifier and powered subwoofer. These switched outlets operate on a delay to prevent "speaker thump" when powering your system on and off. The other bank provides four switched outlets for your source components, like a Blu-ray player. All nine outlets employ Panamax's Linear Level 3 noise filtering, which significantly reduces AC line noise. The front-panel digital voltmeter makes it easy to monitor the AC power coming into your system.

The MR4300 actually offers multiple layers of surge protection. Panamax's patented Automatic Voltage Monitoring (AVM) technology continuously monitors the incoming power. In case of an under-voltage or brownout (too little electricity), or an over-voltage (too much electricity), a flashing red lightning bolt illuminates and power to your equipment is automatically switched off. When voltage returns to a safe level, power to the equipment is automatically reconnected.

The other layer of surge protection is Panamax's exclusive Protect or Disconnect™ technology. This ultra-fast circuitry completely protects your equipment from catastrophic surges such as those caused by lightning. When that type of extreme event occurs, the MR4300 automatically disconnects AC power to your equipment.

Additional protection for coaxial, phone line, and LAN connections

The MR4300 also provides two sets of in/out coaxial terminals to shield your satellite, cable TV and over-the-air antenna connections. A pair of protected Ethernet jacks let you plug in your laptop and surf the web on a protected connection. And another pair of protected jacks prevents spikes from sneaking in through your phone line.

Product Highlights:

  • total of 9 surge-protected, noise-filtered AC outlets — 8 rear, 1 front:
    • one isolated bank of four switched outlets with two-stage noise filtering
    • one isolated bank of four switched high-current outlets with delayed on/off
    • one front-panel always-on convenience outlet
  • front-panel USB charger port for Apple® and Android® smartphones, or other USB-equipped devices
  • Automatic Voltage Monitoring (AVM) technology continuously monitors incoming AC power to protect against over- and under-voltage situations
  • Protect or Disconnect™ technology disconnects AC power to equipment in the event of a catastrophic surge or spike
  • Linear Level 3 EMI/RFI noise filtration circuitry virtually eliminates line noise
  • two sets of in/out coaxial RF connections for cable/satellite/TV antenna
  • one set of in/out RJ-45 LAN connections
  • one set of in/out RJ-11 phone line connections
  • front-panel digital voltmeter
  • two rotatable front-panel lamps to illuminate an equipment rack
  • 1575-joule surge protection
  • maximum current rating: 15 amps
  • 8-ft. power cord with low-profile plug
  • 17"W x 2-1/8"H x 9-1/8"D
  • weight: 6.5 lbs.
  • warranty: 3 years
  • Our 60-day money-back guarantee
  • $5 million connected-equipment warranty (covers equipment that is damaged by an AC surge while connected to a properly installed Panamax surge protector if protector shows signs of surge damage or is operating outside of design specifications)

Hands-on research

What's in the box?

Download owner's manual

  • Power conditioner/Surge protector (w/ attached 8' power cord)
  • Reference Guide

Product Research

Features

9 Protected & Filtered Power Outlets: The Panamax MR4300 features 1 front-panel "Always On" AC outlet, 4 rear-panel "Switched Linear Filtered" AC outlets, and 4 rear-panel "Switched High Current" AC outlets. All of the AC outlet (front & back) include surge protection and power filtration.

  • High Current Outlets: The unit's 4 rear-panel High Current outlets in Bank 1 provide power from a low impedance noise filtration circuit that does not limit the current to your equipment. Its output is noise isolated from all of the other outlets. These outlets can be switched On or Off.
  • Linear Noise Filtration Outlets: The 4 Linear Noise Filtration outlets provide a two stage tapped Pi filter circuit for each outlet in Bank 2. These outlets can be switched On or Off.
    Front-Panel AC Outlet:
    The MR4300 features a protected and noise filtered convenience outlet located on the front-panel. Perfect for temporary gaming systems, portable electronics (such as music players or smartphones), or other personal electronics. This AC outlet is Always On.

Protect or Disconnect Technology: The Panamax MR4300 employs exclusive Protect or Disconnect technology for surge protection. This ultra fast protection circuitry completely protects your equipment from surges such as lightning. When overwhelmed with extreme catastrophic events, Panamax permanently disconnects AC power to equipment.

Level 3 Power Cleaning & Linear Filtration: The unit's Level 3 Power Cleaning and Linear Filtration eliminates common symptoms of contaminated power (including loss of detail, pops, hisses, hums and visual artifacts) and allows your A/V equipment to perform up to its full capability.

Automatic Voltage Monitoring (AVM): Panamax's patented Automatic Voltage Monitoring (AVM) technology continuously monitors the incoming power. In case of an under-voltage or brownout (too little electricity) or an over-voltage (too much electricity) a flashing red lightning bolt will be displayed and power to the equipment is automatically turned off. When voltage returns to a safe level, power to the equipment is automatically reconnected.

Signal Wire Protection: Protecting a complete home theater system requires that signal wires coming out of the wall be protected as well. Universal ultra low-loss coaxial protection, as well as LAN/Ethernet protection prevents signal lines from carrying damaging surges while maintaining full high-definition and high-speed Internet signals to your equipment for your connected life.

  • Telephone & LAN Surge Protection: There is one RJ-45 input and one RJ-45 output for 10/100 baseT Ethernet lines, plus one RJ-11 input and one RJ-11 output for standard telephone lines. LAN protection allows for 10/100 base-T Ethernet equipment to integrate into an audio/video system without the risk of upstream surge damage from a gateway, switch, router or other network device. Telephone protection protects your incoming telephone lines.
  • Cable & Satellite Surge Protection: There are two gold-plated coaxial inputs and two gold-plated, threaded, female coaxial outputs for connecting your satellite, cable or antenna TV signal lines. Coaxial protection circuits prevent damaging surges from entering through signal paths and have the smallest signal loss on the market; less than 0.5 db of attenuation from 0Hz to 2.2GHz. Panamax coaxial protection has been specifically designed to virtually eliminate signal loss. The clamping level of 75V will meet and exceed the demands of both cable and satellite voltages while minimizing exposure to damaging spikes and surges.

Digital Voltmeter: The MR4300 features a front-panel Digital Voltmeter which monitors the voltage supplying your home theater equipment. If line voltage drops below 95VAC, or if the line voltage exceeds 140VAC, the display will turn off and the "unsafe voltage" indicator will flash indicating and unsafe voltage condition.

USB Charging (0.5/5V): The MR4300 features a front-panel USB (type-A port) rated at 0.5/5V for charging your Apple iPod/iPhone, Android smartphone, or other USB-enabled electronic device.

Media Lights: The Panamax MR4300 features front-panel rotating and dimmable media lights that help illuminate your equipment in your AV rack or cabinet.

8' Power Cord w/ Low-Profile Plug: The Panamax MR4300 is fitted with an attached 8' power cord w/ a low-profile IEC 3-prong plug. This 45° angle low profile plug allows your equipment to be as close as it can get to the wall outlet while not blocking an adjacent outlets. The 8' power cord means your installation location isn't restricted by wall outlet location.

Circuit Breaker: A circuit breaker is located on the back panel of the MR4300. The circuit breaker will trip only if the total current draw exceeds the maximum current rating (15A). This means that collectively, all outlets must draw more than 15 amps before the circuit breaker will trip.

$5,000,000 Lifetime Connected Equipment Warranty: Panamax will replace, pay to replace at fair market value, or pay to repair, up to $5,000,000 of equipment that is damaged by an AC surge while connected to a properly installed Panamax surge protector, if the surge protector shows signs of surge damage or is operating outside of design specifications. For coverage conditions and information on how to make a claim, please see the warranty sheet.

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Panamax MR4300 Reviews

Average Customer Review:

3 reviews
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Panamax CS Not Any Help

Written By Don, Tallahassee, FL on Wednesday, December 03, 2014

Purchased the MR4300 from Crutchfield and everything was fine. Then after about 3 months the unit started "buzzing" internally. Sent to Panamax (Core Brands) and they said it tested out in spec. I asked if they had a Spec for "buzzing" and got no reply. Unit was sent back to me with problem unresolved. Although the unit functions as it should, it is annoying to hear the "buzz" as I walk by stereo system. Won't buy another Panamax product.

Pros: Pretty to look at

Cons: Pretty bad customer service from Panamax

Panamax MR4300

Written By Michael J, New York on Tuesday, November 11, 2014

Crutchfield Customer Review (What's this?)

I've read a few reviews where some have said that their picture and sound had noticeably improved after hooking up the Panamax, but I can't really say that I've noticed that much difference on my end. Even though that's not really a deal-breaker, or any reason "not" to purchase this product, because I feel confident that all my components are fully protected using the 4300. The sleek design and looks of the 4300 are also a nice complement sitting next to all my other equipment. I believe 4 stars is an excellent score for this product, and had it improved my picture and sound that much-more, I would of scored it 5 stars without any hesitation. As usual, Crutchfield shipping was right on schedule to New York.

Pros: Very easy to setup. Just plug-in your equipment, and then plug in the main power.

Cons: None.

line conditioner

Written By panamax MR4300, Sacramento, Ca. on Saturday, August 16, 2014

Crutchfield Customer Review (What's this?)

the product seem to help improve on the picture and sound just a bit, other than that I can't tell. I like the fact it's a line conditioner and power protecter all in one and it looks good with my other equipment.

Questions & Answers Ask the community. Share your knowledge.

Looking for more? Check out the next model in this lineup.

Panamax MR5100

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Add to Cart

Get a power conditioner that can handle more equipment.

The Panamax MR5100 offers these features:

total of 11 AC outlets, 10 rear, 1 front

three isolated outlet banks to reduce inter-component interference

Linear Level 4 EMI/RFI noise filtering

lacks front-panel lamps