(5 reviews) Write a Review
MSRP: $169.99
— You save $80.00




  • Upgrades Electrical Flow from Batteries and alternator 
  • Color Blue power, White Ground wire
  • 100% OFC
  • 6ft power / 4 ft ground 
  • 10 zip ties
  • 10 screws
  • 10 cable holders
  • 4704 strands
  • 0 gauge
View AllClose

Warranty Information

Warranty Information

Your new Down4Sound product is covered by 1 limited warranty if purchased from Down4Sound or an authorized Down4Sound dealer. This warranty does not cover improper installation, accidental damage, misuse, abuse, improper wiring, operation of unit outside of listed specifications, or any product that has been modified or repaired by anyone other than Down4Sound. Your warranty covers defects in materials and/or workmanship ONLY and is not an insurance policy. The warranty only covers the original owner of the amplifier.

All warranty returns must be accompanied by the original sales invoice or receipt. You must contact us to request an RMA number prior to sending any returns via the RMA request form on our website. You are responsible for the cost of shipping your product back to us for warranty examination. If your product is covered under warranty, shipping back to you will be at no charge to you – if your product is replaced/repaired outside of warranty you must pay for return shipping and repair bill prior returning of the product or if no defect is found you are required to pay for return shipping only.

At the sole discretion of Down4Sound your product will be either repaired or replaced when it is being covered under warranty. In the event of shipping damage due to improper packaging on products being returned to Down4Sound the customer is liable for the cost of all damages, necessary repairs, or replacement. Be sure to properly pack your return!

*  Extended additional warranty purchased on amplifiers take in affect from the date of purchase and must also be stated on orginal sales invoice or receipt. 



Refund/Return Policy:


Down4Sound - Hours of Operation

Monday 6am - 9pm PDT
Tuesday 6am - 9pm PDT
Wednesday 6am - 9pm PDT
Thursday 6am - 9pm PDT
Friday 6am - 9pm PDT
Saturday 8am - 4pm PDT
Sunday Closed
View AllClose

5 Reviews

  • 5


    Posted by Daniel Guzman on Feb 25, 2023

    Perfect for what I needed

  • 5

    Big 3

    Posted by Daniel Balch on Jun 05, 2022

    Everything was above quality expectations, I will continue to use D4S for all my audio needs

  • 5

    Big 3 wireing kit

    Posted by Steven S Seibert on Nov 09, 2021

    Love the fact that it's not just some wires an a bag of connectors most of the wires come with the connections already crimp an it's got alot of extras incase u need them as well as the fact that it comes with shrink tubing for the parts you end up adding another 10/10 for down4sound iv spent at least $1000 on 2 different purchases an is the only site I will shop for my car audio stuff keep it up down4sound

  • 5

    D4s big 3 green

    Posted by Peter Flores on Oct 31, 2021

    Great price.. more than enough for my big 3 upgrade in my 2011 fusion. Came with everything to get the job done!!! I can't stress how much of a deal this was.. got it on sale.. shipped super fast... ordered Thursday evening and received by noon on Saturday!! Even order the amp kit to match the green 0 gauge ofc!!

  • 5

    D4S Big 3 - 0GA GREEN OFC KIT

    Posted by Matt Riker on Jul 22, 2021

    Great kit for the money . Love the quality of wire , casing , and connectors. Went right into our 08’ Tundra with a new 250amp Alternator. Definitely would buy again.

View AllClose