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Key Specs
RMS Power: 200 watts (The maximum amount of continuous power the device is able to handle.)
Peak Power Handling: 800 watts (The maximum amount of power an electronic device, like a speaker, can handle without damage. This refers to short bursts of power, while root mean square (RMS) power handling indicates the amount of continuous power a device can sustain. Higher levels of distortion can also occur at peak power levels when the device is powered beyond its recommended usage.)
Impedance: 4 ohms (Describes the resistance of an electric signal throughout the system. Devices with low impedance require less power to deliver optimal signals but are more at risk for damage from overloading. Higher impedance requires more power but is more protected from overload damage.)
Woofer Size: 8 inches
Woofer Composition: Polypropylene
Woofer Surround Material: Rubber
General
Product Name: 8" 4-Ohm Subwoofer
Brand: JBL
Model Number: Jblgto804
Audio Power
RMS Power: 200 watts (The maximum amount of continuous power the device is able to handle.)
Peak Power Handling: 800 watts (The maximum amount of power an electronic device, like a speaker, can handle without damage. This refers to short bursts of power, while root mean square (RMS) power handling indicates the amount of continuous power a device can sustain. Higher levels of distortion can also occur at peak power levels when the device is powered beyond its recommended usage.)
Audio
Impedance: 4 ohms (Describes the resistance of an electric signal throughout the system. Devices with low impedance require less power to deliver optimal signals but are more at risk for damage from overloading. Higher impedance requires more power but is more protected from overload damage.)
Efficiency: 91 decibels
Dimensions
Woofer Size: 8 inches
Cutout Diameter: 7.13 inches
Magnet Size: 40 ounces
Product Height: 4.88 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
Product Width: 9 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
Product Depth: 4.88 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
Product Weight: 10.5 pounds (The out of box weight of the item.)
Design
Woofer Composition: Polypropylene
Woofer Surround Material: Rubber
Other
UPC: 050036118422
This 8" subwoofer features a polypropylene woofer cone with 5-way binding posts for sturdy construction and rich bass sound.
Handles up to 800W peak power (200W RMS): For rich sound.
20-900Hz frequency response: For accurate sound reproduction.
91dB sensitivity: Picks up the lows for faithful sound reproduction.
4-1/8" bottom-mount depth: For a proper fit.
Polypropylene woofer cone: Delivers clean sound. Also features a frame with reduced mounting depth and rubber surround for durability.
4 ohms impedance: Conducts power evenly to keep the subwoofer at an appropriate level.
Whats Included
JBL 8" 4-Ohm Subwoofer
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Rated 5 out of 5 stars
great sound
Excellent sound for the price. Install was simple.
Posted by Steve2007
Rated 5 out of 5 stars
Don't hate on them 8's!
I have a 2007 Ford FX2 Supercrew and i wanted to run 3, 8" subs under the seats. I was gonna go with squares but these subwoofers has better specs like a higher S/N Ratio @ 91dbs unlike the squares which are only 87dbs. Plus the price was WAY BETTER! And i didn't want to pay some schmo 200 bucks for a prefab built box with some carpet on it. And local car audio shops said i couldn't do what i wanted to do which was run 3, 8" subs in a box and still keep my jack. Well once again i proved them wrong. These lil suckers POUND! I guess my AutoTek Mean Machine 1000.1 @ 1ohm stable has a lot to do with also. ;-) Worth a shot for the $$$$!
Posted by Diablo925
Rated 5 out of 5 stars
best bang for the buck
I built my oun ported box and it hits like two 12s. And still have trunk space to spare. I paired it up with an 800watt peak. power acustic amp. Best purchase I've made on a budget.