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Panamax M8-AV

Power line conditioner and surge protector

Item #: 299M8AV

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The Panamax M8-AV provides protection for your audio/video components, including cable or digital satellite TV systems. This power conditioner shields against harmful spikes and fluctuations in your home's AC power, and filters out the RF (radio frequency) and electromagnetic interference that can degrade your system's performance.

panamax m8-av power line condioner

Power protection for all your gear

The M8-AV features eight fully protected AC outlets, conveniently spaced to allow for bulky transformers. You get two sets of protected coaxial input/output jacks for cable, antenna, or digital satellite TV connections. The M8-AV also has one set of in/out jacks to protect your telephone connections.

Quick response prevents damage

The M8-AV reacts to a voltage spike in less than a nanosecond, breaking the connection to protect your equipment. The six-foot power cord has a right-angle plug that hugs the wall, for an easy fit behind a chair or sofa. You can also mount this conditioner on your wall for out-of-the-way placement.

Product Highlights:

  • Protect or Disconnect™ circuitry
  • 8 AC outlets
  • 2 sets of coaxial input/output jacks (for cable, antenna, or satellite TV)
  • 1 set of input/output jacks for telephone connections
  • 8-foot power cord with right-angle plug
  • 1650-joule surge protection
  • UL 1449 Rating: 500V
  • response time: less than 1 nanosecond
  • wall-mountable (brackets and hardware included)
  • 12"W X 1-3/16"H x 5"D
  • weight: 3.5 lbs.
  • lifetime $5,000,000 connected equipment warranty (covers equipment damaged by an AC or signal line surge while connected to properly installed Panamax surge protector); valid only in the United States and Canada
  • lifetime product warranty

Panamax M8-AV Reviews

Average Customer Review:

8 Reviews

Excellent Product

Written by: John from Pennsylvania on December 13, 2015

Crutchfield Customer Review (What's this?)

This unit accomplishes what it is designed to do.

Pros: Reliable as this is the second unit I own with two more on the way.

Cons: None.

Great Surge Suppressor

Written by: Brian E from Queensbury, NY on February 26, 2014

Crutchfield Customer Review (What's this?)

A great product at a fair price, overall a really great value.

Pros: Easy to use, can hang on wall to save precious floor space.

Cons: None

Panamax M8-AV Works Great for Embroidery Machine

Written by: Anne from Rhinelander, WI on August 23, 2013

Crutchfield Customer Review (What's this?)

My new embroidery machine required a surge protector with a step up/step down transformer. This unit will protect against line surges and low voltage. Crutchfield Representative was very helpful, and the price was good. Many sewing/embroidery machines are now computerized and the cost can be substantial. The Panamax was the only protector that fit my needs. I also checked with APC and they do not have a unit like this available.

Pros: Protection against line surges and low voltage. Easy installation. Relatively small footprint, fits on top of my sewing table. Easy access to connections.

Cons: none

Panamax M8-AV

Written by: Mike from Jacksonville, Fl on August 18, 2013

Crutchfield Customer Review (What's this?)

This unit works and has protected equipment in my house for some time. I have two units and so far none of my equipment has been hit by lightening

Pros: Easy to set up and the unit has plenty of outlets

Cons: none

better reception

Written by: jeff from mass. on September 9, 2012

Crutchfield Customer Review (What's this?)

Got my old stereo plugged in to this and i get better radio reception. It's magic!

Pros: price, piece of mind, and radio reception

Cons: not a one

Nice Panamax Product

Written by: Dan from Sterling Heights, MI on August 23, 2012

Crutchfield Customer Review (What's this?)

So far so good. I have owned several Panamax products over the years and not been disappointed. So far, this product is no exception.

Pros: Size and functionality. Appealing looks.

Cons: None.

Good item

Written by: Wally from Southampton, NJ on August 13, 2012

Everything works as advertised. It hasn't had a serious "test" yet . Thats why 4 stars.

Pros: Well made, as far as I can see.

Cons: None yet

First one defective

Written by: Susan from Taos, NM on July 6, 2012

Crutchfield Customer Review (What's this?)

Worked for a day, and then none of the unit's outlets would power anything despite the green indicator lights showing that supposedly all was fine. Must be a defective unit. I am going to try a replacement as the features on this unit are great (if it works).



Hands-on research

What's in the box?

Download owner's manual

  • Surge protector with attached 8' power cord (terminated by 3-prong AC plug)
  • 41" Coax (RG-59) cable (terminated by screw-on F-type connectors)
  • 3 Mounting screws
  • 3 Drywall anchors
  • 3 Spacer eyelets
  • Installation Instructions (Eng/Fre/Spa)

Product Research

Connections, Controls, and Indicators


Overview: The Panamax M8-AV Surge Protector features 8 AC outlets controlled by the unit's power switch. The M8-AV also provides protection for coaxial and telephone connections. In addition, this surge protector is equipped with 3 diagnostic LEDs.

AVM Automatic Voltage Monitoring: The Panamax M8-AV utilizes an AVM (Automatic Voltage Monitoring) system to protect your connected equipment against prolonged over/under voltages by disconnecting the power and reconnecting it when safe power returns. The Panamax M8-AV will protect your AV system from catastrophic surges. 

Lifetime $5,000,000 Connected Equipment Warranty: Panamax will replace or repair equipment that is damaged by an AC or signal line surge while connected to a properly installed Panamax surge protector (up to $5,000,000).

8 AC Outlets: The 8 AC outlets provide power protection with transformer spacing between outlets.

Power Cord: The surge protector features an attached 8 ft power cord with a right-angle, 45-degree offset three-prong plug.

Mounting: The Panamax M8-AV Surge Protector can be placed on the floor, on a shelf, or inside a cabinet. The M8-AV can also be wall-mounted using the integrated wall-mount brackets, key-hole slots, and supplied hardware.

Connections, Controls, and Indicators

AC Outlets:

  • Bank 1: The four AC outlets along the top (numbered 1 to 4).
  • Bank 2: The four AC outlets along the side (numbered 5 to 8).


  • SAT/CATV: 2 Coaxial line inputs and 2 coaxial line outputs (gold-plated, threaded, female F-Connectors).
  • Telephone: One telephone line input and two telephone outputs (RJ-11 connection).


  • On/Off Switch: Turns all the outlets On and Off.


  • Power On/Protection OK: Green LED, indicates the surge protector is functioning properly and all equipment is protected.
  • Ground OK: Green LED, indicates the wall outlet is properly wired and grounded.
  • Unsafe Voltage: Red LED, indicates that incoming voltages are unsafe and the surge protector has disconnected the power to your connected equipment.


  • AC Specification:
    • Overvoltage Shutoff: 144V +/-8V
    • Undervoltage Shutoff: 90V +/-6V
    • Line Voltage: 120VAC, 50/60Hz
    • Initial Clamping Level: 200V Peak, 141V RMS,
    • Voltage Protection Rating (UL1449 3rd Edition, 3000A): 500V
    • Protection Modes: L-N, L-G, N-G
    • Maximum Current Rating: 15A (1800W)
    • EMI/RFI Noise Filtration: 50dB (100kHz-1MHz)
    • Response Time: <1ns
    • Single Pulse Energy: 1650 Joules
    • Peak Impulse Current: 52,000 A
  • Telco Protection:
    • Clamping Level: 260V
    • Capacitance: 30 pf (approximate)
    • Suppression Mode: Metallic and Longitudinal
    • Wire Protected: 2-wire, 1-pair (3,4)
    • Connectors: RJ-11
  • Universal Cable/Satellite Protection:
    • Clamping Level: 75V
    • Frequency Range: 0MHz-2.2GHz
    • Insertion Loss: <0.5dB
    • Connections: Female "F"-type, gold-plated

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Customer Q&A

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

Panamax M8AVPRO

Panamax M8-AV-PRO


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Get added protection for your high-current components

The Panamax M8-AV-PRO offers these features:

  • 2 isolated banks of AC outlets
  • 4 high-current outlets for receivers, amplifiers, and powered subs
  • a third set of coaxial input/output jacks
  • 12-volt trigger input allows source components to turn on high-current outlets