Down4Sound JP63 BLACK | 6300W RMS Amplifier

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  • Down4Sound JP63 BLACK | 6300W RMS Amplifier
  • Down4Sound JP63 BLACK | 6300W RMS Amplifier
  • Down4Sound JP63 BLACK | 6300W RMS Amplifier
MSRP: $1,649.99
— You save $650.00


Introducing the Down4Sound JP63 BLACK, a monoblock amplifier that goes beyond the ordinary with a jaw-dropping 6300W RMS. This isn't just another 6000W amp; it's a bass powerhouse engineered for those who demand nothing less than earth-shattering, thunderous bass from their subwoofers.

Cutting-Edge Features for Unmatched Performance

  • Triple Power and Ground Inputs: To ensure unparalleled power stability, we've upgraded to three power and ground inputs.
  • Top-Grade RCA Connectors: Comes with true Tiffany RCA connectors for the highest level of signal quality.
  • Continuous Cooling Fan: The internal fan activates the moment you power up, keeping your amp cool even during the most intense sessions.
  • Color: Black

Mandatory Electrical Upgrade for Warranty

To fully harness this amplifier's extraordinary power, a comprehensive electrical upgrade is non-negotiable. Failure to do so will void the warranty. You must have:

  • The Big 3
  • Upgraded Alternator
  • Reserve Battery(s)

Power Ratings (Tested at 14.4V)

  • 1-ohm: 6300W RMS
  • 2-ohm: 4300W RMS
  • 4-ohm: 2300W RMS

Additional Technical Specifications

  • Frequency Response: 14Hz – 269Hz
  • Signal-to-Noise Ratio: 91dB
  • Damping Factor: < 480
  • Efficiency at 4-ohm: 97%
  • Input Sensitivity: 6V – 0.2V
  • Subsonic Filter: 10Hz – 50Hz
  • Low Pass Filter: 35Hz – 250Hz
  • Phase Control: 0 – 180 degrees
  • Strappable Connection: Yes
  • Speaker Connection: 8 GA SPEAKER WIRE
  • Fusing: 700A Total (250A for each of the three positive wires)
  • Clipping Indicator: Yes
  • BT Remote Control: Features voltage and temperature display, along with a clipping indicator
  • Power Connection for BT Remote: C-type (external battery pack or USB power required; unit does not have rechargeable batteries)
  • Speaker Output: 4-gauge
  • Power Inputs: 3 x 0-gauge
  • Operating Voltage: 9 to 16 Volts
  • Dimensions: 19.68" (L) x 9.37" (W) x 2.64" (H)
  • Country of Origin: Made in South Korea

JP63 Manual

For complete installation and operational guidance, please refer to the JP63 Manual included with your purchase.

Elevate your sound experience to unprecedented levels with the Down4Sound JP63 Amplifier in Black. Order yours now and redefine what bass means to you!

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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
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2 Reviews

  • 5


    Posted by Rick on Apr 22, 2024

    Excellent product at a fair price. Exceeds rated power.

  • 5


    Posted by Robert Smith on Dec 10, 2023

    Exactly what I purchased and packaged nicely

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