Garage
Shop

See all parts that fit your 2011 X5 M

Tsunami Big 3 Kit (Blue)

Sonic Exclusive Big 3 Upgrade Combo Package (1/0 AWG Cable)

Tsunami
Shop all Tsunami
EXCLUSIVE
Product videos
highlight-star-icon

Big 3 Upgrade Combo Kit • Includes Tsunami 1/0 Power & Ground Cable • Tsunami Battery Terminal • Helps Eliminate Dimming Headlights • Stops Drops in Voltage • Improves Vehicles System Charging • Includes Wire & Cable Cutter/Stripper

Learn more about the tsunamibig3kit-blue

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
Club 322F main

JBL Club 322F (SPKCB322FAM)

150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers

1
-27.29%

$79.95

List price $109.95

CVP8 main

Cerwin-Vega CVP8 (Sold Individually)

350W Peak (170W RMS) 8" CVPRO Series Pro Full Range 4-ohm Speaker

-16.67%

$49.99

List price $59.99

MVH-S322BT main

Pioneer MVH-S322BT

Single DIN Digital Media Receiver with Bluetooth and Amazon Alexa

7
-13.34%

$129.99

List price $150.00

Limited time!
XAV-AX8500 main

Sony XAV-AX8500

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wired Android Auto (SiriusXM Ready)

2
-20.20%

$798.00

List price $999.99

KMM-X705 main

Kenwood eXcelon KMM-X705

Single DIN Digital Media Receiver with Bluetooth, Built-in Alexa (Sirius XM Ready)

6
-20.40%

$199.00

List price $250.00

KDC-X305 main

Kenwood eXcelon KDC-X305

Single DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)

23
-17.08%

$199.00

List price $240.00

DEH-S7200BHS main

Pioneer DEH-S7200BHS

Single DIN CD Receiver with Bluetooth, HD Radio and SiriusXM Ready

2
-10.72%

$249.99

List price $280.00

XRM59BT main

Dual XRM59BT

Single DIN Digital Media Receiver with Bluetooth, USB and Aux

28

Product Highlights


Big 3 Upgrade Combo Kit • Includes Tsunami 1/0 Power & Ground Cable • Tsunami Battery Terminal • Helps Eliminate Dimming Headlights • Stops Drops in Voltage • Improves Vehicles System Charging • Includes Wire & Cable Cutter/Stripper

Description


Tsunami brand icon

Authorized dealer

Sonic Exclusive Big 3 Upgrade Combo Package

The Big 3 Upgrade should be the first step you take when adding a aftermarket sound system to your vehicle. The Big 3 consist of upgrading the alternator wire to the battery, the negative battery cable to vehicle ground, and engine ground to chassis. This process is sure to help eliminate dimming headlights and voltage drops by providing you with enough juice to power everything in your vehicle without additional resistance. 1/0 Gauge power & ground wire should be used when executing the upgrade, the thicker wire ensures the best possible current transfer and can re-energize your vehicles electrical system.

Available only at Sonic Electronix is the Tsunami Ultimate Big 3 Upgrade Kit. This exclusive Big 3 combo package comes with two 5 ft. pieces of 1/0 AWG Silver Power/Ground Cable, 5 ft. piece of 1/0 AWG Blue Power/Ground Cable, one Positive/Negative Battery Terminal Clamp, four 0/2 Gauge Ring Terminals and a pair of Wire & Cable Cutters to add some convenience to this upgrade.

Benefits of Big 3 Upgrade

  • Helps eliminate dimming headlights
  • Helps stop drops in voltage
  • Enhances your vehicles electrical system stability
  • Allows you to add a second battery or high output capacitor for high powered sound systems
  • Improves vehicles system charging
  • Increases compatibility when using high performance alternators and batteries
  • Strengthens power current to everything in your vehicle without additional resistance

Includes Everything You Need To Upgrade The Big 3

Note: For information on installing this Big 3 Upgrade kit, please read our blog and watch the step by step installation video.

Best selling similar products

XBG3PK small

NVX XBG3PK

• Upgrade Your Factory Power and Ground Wire
• Perfect for Dealing with Dimming Lights
• Improve the Efficiency of Your Vehicle's Electrical System
• Use for Systems 350A or Less
• Includes All Necessary Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire

(91)

$109.99

List price $119.99

BBG3KT small

Belva BBG3KT

• Upgrade Your Factory Power and Ground Wire
• Perfect for Dealing with Dimming Lights
• Improve the Efficiency of Your Vehicle's Electrical System
• Use for Systems 250A or Less
• Includes All Necessary Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire

(48)

$49.99

List price $79.99

Specifications & Details


Cable / Wire Specifications
Wire / Cable Type
Power / Ground Cable
Length (ft.)
15 feet
Wire Gauge
1/0 gauge
Primary Color
Silver
Secondary Color
Blue
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

TSUNAMI BIG 3 KIT-BLUE

Weight:

7.35lbs

Internal SKU:

tsunamibig3kit-blue

Internal Product ID:

39341

Product and How-to Videos


Customer Ratings & Reviews


Tsunami Big 3 Kit (Blue) thumbnail image

5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
4.2
Value
4.7
Features
4.9
Design
4.5
Usability
4.4

Customer Reviews

Sort by:

Loading...

pretty good

I have just installed this in my blazer and it helped out alot. The only thing I didnt like about it, is that you have to cram the 0 gauge wire in the battery terminals and it gets a little messy. But other than that it was a great buy. I would recomend it.

By toby on September 20, 2011

7 found this helpful


worked great

I just upgraded all the cables for my "big three upgrade" using this kit. I put it in an 07 toyota and it tremendously helped my 1200 watt RMS speaker and sub system. Thanks Sonix!

By Robert L. on November 14, 2011

3 found this helpful


Good wires, good price

I should have bought this with my system as its far more expensive buying 0 gauge here in Australia, this is great stuff at a great price. Only reason im not getting it now is because USPS takes over 3 weeks and I am willing to pay more to get my system running sooner but if your looking at buying sub(s) and an amp that require over 1000rms definately think about getting this with it.

By Sam on January 24, 2012

4 found this helpful


Pretty good.

The ring terminals for the 1/0 AWG are too small even with taking out the spacers that are on the inside of them. The ring terminals also have very cheap screw heads that will round off or start to strip because its a non hardened metal. Same goes for the battery terminals, you can not get the wires inserted perfectly without cramming them in and then it leaves it looking messy. The wire and cutters are good quality and it is a fair price. The cutters are very sharp which made cutting the wires extremely easy!

By Brandon on November 2, 2011

3 found this helpful


Not bad, could use improvements.

The ring terminals and the battery terminals were both too small to fit true 1/0 AWG wire into them. With the ring terminals I even took out the inside spacers and it still barely fit. The ring terminals are low quality because the screws to secure the wire inside of them are just too cheap of a metal because it's not hard enough metal to take the torque. I ended up stripping the head of them. I really liked the wire cutters, they were sharp and cut cleanly through the wire with no problem.

By Brandon on November 2, 2011

3 found this helpful


It works!

Real true to awg standards, 100% ofc wire. Its legit, and does help with my voltage drops. The best thing has to be the terminals though, they are sick. Any gauge, multiple batterys, multiple amps, anything they can be used for.

By Robert on April 23, 2012

2 found this helpful



6002I small

Infinity 6002i 6-1/2" Reference Series

(1)

$59.99

List price $119.99

VM9214BT small

Jensen VM9214BT

Single DIN 7" TFT-LCD Touchscreen Monitor with DVD/CD/MP3/WMA Player, w/ Bluetooth, USB and Aux-In

(1)

$239.99

List price $389.99

RW18R500Z small

db Link RW18R500Z (Red)

500 Ft of 18 Gauge Remote Wire Cable

$14.99

List price $29.99

VM9314 small

Jensen VM9314

In-Dash 7" TFT-LCD Touchscreen Monitor with DVD/CD/MP3/WMA Player w/ Voice Control and HD Radio

(14)

$269.99

List price $469.99

IBK-N300 small

Install Bay IBK-N300

300 Piece Nylon Assorted Terminal/connector Kit

$24.95

List price $24.95

VM9114 small

Jensen VM9114

Single DIN 7" TFT-LCD Touchscreen Monitor with DVD/CD/MP3/WMA Player, Front Panel USB and Aux-In

(3)

$189.99

List price $279.99

CC1210 small

Xscorpion CC1210

100 Pack of 12/10 Gauge Clear Crimp Caps

(2)

$12.99

List price $6.99

SQVLP0BL small

Stinger SQVLP0BL

50 ft 0 Gauge Sound Quest Car Audio Power/Ground Wire (Blue)

$133.00

List price $133.00

CC1614 small

Xscorpion CC1614

100 Pack of 16/14 Gauge Clear Crimp Caps

(12)

$2.99

List price $5.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2011 BMW X5 M

2016 Audi A4 Quattro

2008 Audi A6

2014 Cadillac XTS

2010 Mitsubishi Eclipse

2002 Saturn L100

2014 Nissan Leaf

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.