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Boss CAP3.5B (BLACK w/ BLUE)

3.5 Farad Digital Capacitor

4.3

(13 reviews)

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When heavy bass notes in your music hit, the current demand on your system greatly increases and could cause voltage drops. This stiffening capacitor acts as a power reservoir, instantaneously supplying added power to keep your system playing strong.
  • 3.5 Farad Digital Capacitor
  • Color: BLACK W/BLUE Design
  • Digital voltage level display
  • Chrome finish terminals
  • Includes mounting brackets
  • 20V DC
  • 24V Surge
  • Dimensions (without mounting brackets): 11"L x 4"W x 4"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
Capacitor Specifications
Capacitance (farads)3.5 farads
LCD Meter DisplayYes
Maximum Input Gauge SizeAny Gauge with use of Ring Terminal AWG
Maximum Output Gauge SizeAny Gauge with use of Ring Terminal AWG
Built-In Distribution BlockNo
Primary ColorBlack
Secondary ColorBlue
IlluminationRed
Width4"
Height4"
Depth11"
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
Customer Review Summary for Boss CAP3.5B (BLACK w/ BLUE)
Average Customer Rating is 4.3 out of 5 stars:
4.3
based on 13 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
.
.
62%
4 star:
.
.
23%
3 star:
.
.
8%
2 star:
.
0%
1 star:
.
.
8%
what's this?
Average Attributes Rating:
Durability
4.4
Value
4.5
Features
4.2
Design
4.5
Usability
4.5
what's this?
Quick Comparison:
Most Helpful Customer Reviews:
April 15, 2010 Good for low watt system that is about 600watts.
1 of 1 people found the following review helpful:
Review by
Tim from Tucson, AZ
Overall
Durability
Value
Features
Design
Usability
I bought this over six months ago in hopes of stopping the dimming in my truck. I have this one and another one that is Boss too, but my set up is pulling too much for the both of them. I have a 1200 watt mono one channel Phoenix Gold RDS pared with a 10" Phoenix Gold RDS DVC 2400 watt peak. Here's the thing if I don't have it turned all the way up, it does fine, but as soon as I turn it up the voltage meter drops on my Alt gauge when it's pulling for the lows, but the highs and mids it does okay. It's not as bad when I'm going down the road neither. All together I have 5.5 Farad in my truck, and they say you should have 1 farad for every 500 watts. I have done this and I still getting a dimming problem. I also can't adjust this one because the holes on top of the Cap were missed drilled. I didn't notice it until I had it installed, so what I am saying is I don't know if I would have this problem if I could re adjust it. It looks great and works for the money I paid. What I also like about it is, it came with every thing you needed and I looked around for a good priced one. This was the best priced one I found. Now, would I tell some one to buy this, well yeah if your starting out and your not going to spend a lot of money on your system. Now if you going to spend some money I would tell you to get StreetWire, Monster, Rockford, ECT. You do get what you pay for when it comes to car audio, but all and all it's not the worst thing out there by far. I have Boss car audio in my system ( crossover ), so I don't hate the brand at all
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March 29, 2010 Boss CAP3.5B (BLACK w/ BLUE)
1 of 1 people found the following review helpful:
Review by
Konstantin from Plovdiv, Bulgaria
Overall
Durability
Value
Features
Design
Usability
I mounted this CAP 2 months ago and so far it's working good. It made significant increase in the power output from my two amps in the car. A good buy.
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March 17, 2010 Good Cap for the Price
1 of 1 people found the following review helpful:
Review by
Trent from Cincinnati, OH
Overall
Durability
Value
Features
Design
Usability
Having only a 1600w max system, a 3.5 Farad capacitor should more than do the trick to help with headlight dimming. This one works pretty well, but I do still notice very slight dimming when I'm parked and the volume is way up. Having said that, at slightly more reasonable volumes it works like a charm and has a cool light display, too. I would recommend to people with systems around my 1500w, but anything much higher I would probably invest in a more expensive cap. Overall, it's a good product - don't hesitate if you're on a budget!
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March 14, 2010 Nice Cap
1 of 1 people found the following review helpful:
Review by
Scott from Tucson, AZ
Overall
Durability
Value
Features
Design
Usability
Works good. My amp never clips out. Headlights still dim a little, but not as bad. I just need a alternator with a little more amperage. Voltage display is a nice touch.
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July 30, 2009 Good price, excellent product
1 of 1 people found the following review helpful:
Review by
Lite Skin from San Diego, CA
Overall
Durability
Value
Features
Design
Usability
This cap works very well, and it looks excellent in the back of the car. My battery doesn't die, my lights don't dim, and I have a very high powered amp with a 12" w7 JL in the trunk. With components and so forth. So, I guess it's doing it's job! Oo yes, and it has a nifty litle light presentation when you open the trunk. Sweet
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View All 13 Reviews for Boss CAP3.5B (BLACK w/ BLUE)
Ring Terminals
Use these ring terminals to connect the power and ground cable to the capacitor. The more surface area the ring terminal has to the capacitor's terminal, the better the connection will be.
 ProductPriceAdd?
Scosche Ring Terminal (1/0 AWG)Scosche Ring Terminal (1/0 AWG)
Pair of 1/0 AWG ring terminals with 3/8" hole and red and black insulating sleeves.
$2.99
Streetwires Ring Terminals (1/0 AWG)Streetwires Ring Terminals (1/0 AWG)
Pair of 1/0 AWG set screw power ring terminals.
$16.99
Power / Ground Cable
Depending on your capacitor installation, you might need some extra power or ground cable. The gauge of this cable should match the gauge of your amplifier's power and ground cable.
 ProductPriceAdd?
Kicker Precut Power/Ground Wire (1/0 AWG)Kicker Precut Power/Ground Wire (1/0 AWG)
5 ft. of Kicker's HyperFlex power/ground cable with high-current transfer and gunmetal gray insulation.
$29.99
Xscorpion PRE-FP050R-RED-20FTXscorpion PRE-FP050R-RED-20FT
20 Ft Pre-Cut Piece of 1/0 Gauge Flat Power/Ground Cable
$79.99
Resistors
Before a capacitor is connected directly to the 12V source, it must be charged. Using one of these resistors will allow you to safely charge your capacitor.
 ProductPriceAdd?
Directed DEI Resistors (15-Pack)Directed DEI Resistors (15-Pack)
Pack of resistors with various values (ohms) perfect for the initial charge of your capacitor.
$1.99
Main Product
 ProductPriceAdd?
Boss CAP3.5BBoss CAP3.5B (BLACK w/ BLUE)$49.99
Related products
Boss CAP3.5S (SILVER)
3.5 Farad Digital Capacitor • Digital voltage level display • Chrome finish terminals • Includes mounting brackets • 20V DC • 24V Surge
Boss CAP3.5R (RED)
3.5 Farad Digital Capacitor • Digital voltage level display • Chrome finish terminals • Includes mounting brackets • 20V DC • 24V Surge

Product Summary

Manufacturer: Boss
Model number: CAP3.5B
UPC: 791489108911
Weight: 6.00 lbs
Internal SKU: cap3-5b
Internal product ID: 13309

Price Information

$99.99

–$50.00

$49.99

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