Down4Sound Packages


(3 reviews) Write a Review

Out of stock


NOTE: Initial pricing is of amp only until you select your sub size and it will be calculated accordingly

1- Sundown SFB-2000D amp

1- Sundown U Series sub D2 (pick sub size 10”,12”,15” or 18”)

1- Free Certified Basshead 0g Cca amp kit (upgrade to OFC FOR HALF PRICE)


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

3 Reviews

  • 5
    Sundown U package

    Posted by Shane Webb on Jan 06, 2022

    This MF BANGS! Best sounding 10” around. Time for a new box to really see what it can do! Thanks JP! You the real MVP

  • 5
    U needs this!

    Posted by Robert Edmondson on Dec 06, 2019

    Just got it in. .. unboxed it all and very impressed by the quality . The sub is a beast along with the amp! If u want to thump. I suggest this kit!. It will raddle your cage!

  • 5
    U series package

    Posted by travis hendon on Jan 04, 2019

    I must say. It was a pleasure doing business with JP and the ordering process was outstanding! Received my packages in record time! Awesome work, guys!

View AllClose