Panamax MB850

9-Outlet Home Theater System Back-up Battery

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This item has been discontinued

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  • Power Supply, Voltage regulator, and Surge Suppressor
  • Prevents extensive lamp burnout
  • Avoid loss of DVR Recorded TV Programming
  • Prevents loss of unsaved games during the saving/loading process
  • HT System allows you to avoid the time and hassle of having to reboot your home theater system
  • 5 Battery power and surge protected outlets provides continuous battery backup
  • 4 Surge protected outlets provides complete surge protection for equipment
  • USB/Serial port to PC
  • 1 Pair of input/output coaxial/cable surge protection
  • Wiring fault indicator light
  • Ethernet protection ports for phone, modem, DSL and Ethernet
  • Resettable circuit breaker provides overload protection
  • LCD Display provides: input voltage level, output voltage level, AVR Status meter, battery capacity, estimated runtime, load level and output power frequency
  • Icon indicators includes: on battery mode, overload condition and fault condition
  • AVM (Automatic voltage monitoring) protects equipment against prolonged over/under voltages be disconnecting the power and reconnecting when it is safe
  • Dimensions: 10-1/4"D x 4-3/4"W x H
  • 1-year warranty


Number of Power Outlets
This is the total number of outlets that the power inverter, power strip, or other power device has.
Outlet Power Detection and Turn-Off
This new feature on some power strips, outlets, and other units enable a power outlet to turn off completely when the outlets are not in use. This saves on unwanted power usage and lowers power bills.
Surge Energy Rating (Joules)
This is the maximum amount of power that the device is capable of safely handling. This amount is rated in Joules.
Maximum Spike Current
This is the maximum amount of voltage that is able to pass through the surge protector safely and without the surge protector failing. This value is measured in Amps.
Output Wattage Capacity
This is the maximum amount of wattage that the power strip or surge protector is capable of outputting safely.
RJ45 Phone & Network Ports
These ports are used to connect to a network or a phone line. This indicates that the item has these ports.
Coaxial Surge Protection
This indicates whether or not the device has a coaxial port that it protected for power surges.

General Features

The width of the item from left to right (side-to-side) measured in inches.
The height of the item, measured from top to bottom, in inches.
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

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Product Summary


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Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Panamax MB850

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Panamax MB850

9-Outlet Home Theater System Back-up Battery


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