Down4Sound JP8 v1.5 Black Amplifier | 800+W RMS

The Down4Sound JP8 v1.5 Black Amplifier is a high performance 800 plus watts RMS monoblock car amplifier designed for car audio enthusiasts who want strong, clean bass in a compact and reliable package. Developed through extensive research in Las Vegas and Florida, the JP8 blends retro inspired styling with modern Class D efficiency to deliver dependable subwoofer power for daily driven and performance systems.

With its classic Black SKOOL design and upgraded internal components, this amplifier is built to provide impressive output, efficient cooling, and precise tuning for a wide range of subwoofer setups.

Proven 800 Plus Watts RMS Subwoofer Power

The JP8 v1.5 is optimized for low frequency performance and has been independently tested to confirm its real world output. It delivers strong and stable power across multiple impedance loads, making it ideal for powering single or multiple subwoofers.

Independent Tested Power at 14.4 Volts

• 511 watts RMS at 4 ohm

• 892 watts RMS at 2 ohm

• 1256 watts RMS at 1 ohm

Manufacturer Rated Output

• 700 watts at 1 ohm at 12 volts and 850 watts at 1 ohm at 14.4 volts

• 500 watts at 2 ohm at 12 volts and 650 watts at 2 ohm at 14.4 volts

• 490 watts at 4 ohm at 12 volts

• 2300 watts linked at 2 ohm at 14.4 volts

Operating voltage range is 9 to 16 volts, supporting consistent performance with a variety of vehicle electrical systems.

Retro Design With Modern Cooling

The JP8 v1.5 features a retro inspired black finish that pays tribute to classic car audio styling. An integrated cooling fan helps maintain safe operating temperatures during extended high power use, improving reliability and long term durability.

A plexiglass bottom plate adds a premium look while allowing visibility of the internal components for custom installations.

Aluminum Bass Knob With Digital Display

Included is a new aluminum bass knob with a built in voltage and temperature meter. This allows quick bass level adjustment and real time monitoring of amplifier performance directly from the driver seat.

Precision Audio Tuning Controls

Fine tune your subwoofer system with built in crossover and bass controls for accurate sound shaping.

Audio Tuning Features

• Frequency response from 10 hertz to 270 hertz

• Low pass filter from 35 hertz to 250 hertz

• Subsonic filter from 10 hertz to 50 hertz

• Bass boost from 0 to 9 decibels

• Input sensitivity from 6 volts to 0.2 volts

• Signal to noise ratio of 97 decibels

• Total harmonic distortion less than 0.1 percent at 4 ohm

• Damping factor of 100

Electrical and Build Specifications

• Class D digital monoblock design

• Single fuse rating 120 amp or 220 amp strapped

• Power and ground input 4 gauge

• Speaker output up to 12 gauge

• Dimensions 11.81 inch length x 7.4 inch width x 2.24 inch height

Warranty Protection

The Down4Sound JP8 v1.5 Black includes a 1 year manufacturer warranty for defects. An optional half ohm warranty is available for aggressive low impedance setups.

---

For anyone searching for a high quality 800 watt RMS monoblock car amplifier with classic styling and proven performance, the Down4Sound JP8 v1.5 Black delivers powerful bass, advanced tuning, and long term reliability for serious car audio systems.

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: https://www.down4soundshop.com/shipping-returns/