Down4Sound JP84 - GREEN | 400W RMS 4CH AMPLIFIER

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  •  Down4Sound JP84 - GREEN | 400W RMS 4CH AMPLIFIER
  •  Down4Sound JP84 - GREEN | 400W RMS 4CH AMPLIFIER
  •  Down4Sound JP84 - GREEN | 400W RMS 4CH AMPLIFIER
MSRP: $299.99
— You save $140.00


Introducing the Down4Sound JP84 4-Channel Amplifier in Green - a dynamic force in car audio, delivering 400W RMS power to revolutionize your listening experience. Meticulously engineered, this full-range digital multi-channel amplifier is optimized for stability in both 2 ohms stereo and 4 ohms bridged configurations. Featuring a high-speed MOSFET power supply, adjustable high and low pass filters, and a versatile crossover multiply x10, the JP84 in Green is crafted to captivate the most discerning car audio aficionados. Benefit from the reliability and safety provided by its Class D technology and 4-way protection circuits. Immerse yourself in the pinnacle of car audio with the JP84 in Green.

Key Features:

  • 400W RMS power for outstanding audio quality.
  • Stable performance in 2 ohms stereo or 4 ohms bridged configurations.
  • High-speed MOSFET power supply ensuring reliable operation.
  • Variable high and low pass filters for tailored sound customization.
  • Crossover multiply x10 for a wide range of audio configurations.
  • Class D design for efficient and potent amplification.
  • 4-way protection circuits for enhanced safety and reliability.


  • RMS POWER: 120W x 4 @ 14.4V - 2 ohms.
  • RMS POWER: 90W x 4 @ 14.4V - 4 ohms.
  • BRIDGE POWER: Range 180 - 284W x 2.
  • Frequency Response: 10Hz - 40KHz.
  • High Pass Filter: 20Hz - 800Hz.
  • High Pass Multipliers: 1x - x10 (200Hz - 8kHz).
  • Low Pass Filter: 50Hz - 800Hz.
  • Low Pass Multipliers: x1 - x10 (500Hz - 8kHz).
  • Signal to Noise Ratio: >95dB.
  • Fuse Rating: 60A.
  • Operating Voltage: 9 to 16 Volts.
  • Dimensions: 7.87" x 7.4" W x 2.24" H.
  • Inputs: 4 GA input on Power Wire, 8 GA input for Speaker Wire.

Experience unparalleled audio excellence with the JP84 in Green. Elevate your car audio journey and unlock new dimensions of sound. Be sure to watch the amplifier dyno video on the videos tab.A

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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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