
( Brand: J-m Corporation ), ( Part Type: Speaker Amplifier ), ( Country/region Of Manufacture: China ), ( Item Height: 9.00 ), ( Item Length: 16.50 ), ( Item Weight: 12.35 ), ( Item Width: 12.00 ), ( Manufacturer Part Number: XXRK-400SP215RG ), ( UPC: 642529155979 )
Review J M CORPORATION Xrk-400sp215rg Rokker Xr Extreme Speaker Amplifier Installation Kit
The XXRK-400SP215RG Rokker XXR Extreme Speaker Amplifier Kit is a powerful and versatile solution for those seeking to upgrade their automotive audio system. This amplifier kit, manufactured by the renowned brand Rokford Fosgate, is designed to deliver impressive sound quality and power, making it an ideal choice for music enthusiasts and audiophiles.
The heart of this kit is the XXRK-400.1D 400-watt mono-subwoofer amplifier, which is known for its efficiency and reliability. This amplifier is capable of delivering 400 watts RMS (Root Mean Square) of power to a single subwoofer, ensuring deep, powerful bass that enhances the listening experience. Its Class D design is not only energy-efficient but also ensures a quick response time, resulting in dynamic and accurate bass.
The XXRK-400.1D amplifier comes with several features that cater to various installation scenarios. It has a flexible input section, which includes high-level and low-level inputs, as well as a speaker-level input selector. This versatility allows users to connect the amplifier to different types of sources, including factory radios, aftermarket head units, and RCA outputs from other amplifiers.
The kit also includes a pair of P215-2 15-inch 2-ohm subwoofers, which are engineered to deliver accurate and powerful bass. These subwoofers feature a polypropylene cone, which is known for its rigidity and durability, as well as a rubber surround that ensures a tight and secure fit in the enclosure. Additionally, the subwoofers come with a built-in 1-inch voice coil, which allows for greater power handling and efficient heat dissipation.
The XXRK-400SP215RG Rokker XXR Extreme Speaker Amplifier Kit is designed with a focus on ease of installation. It comes with a mounting bracket for the amplifier, which can be installed using the included hardware. The subwoofers also come with mounting hardware and a grille, allowing for a clean and finished look.
Moreover, the kit includes a wiring harness for the amplifier, which features a fuse, a power and ground terminal, and speaker-level inputs. This harness simplifies the installation process and ensures a proper electrical connection.
In conclusion, the XXRK-400SP215RG Rokker XXR Extreme Speaker Amplifier Kit is an excellent choice for those seeking to enhance their automotive audio system with powerful and accurate bass. With its versatile amplifier, efficient subwoofers, and easy installation, this kit is sure to impress even the most discerning music enthusiasts.
The XXRK-400SP215RG Rokker XXR Extreme Speaker Amplifier Kit is a powerful and versatile audio solution designed for off-road vehicles and outdoor applications. Here are some pros and cons to help you make an informed decision:
Pros:1. Powerful: This amplifier kit delivers 400 watts RMS and 800 watts peak power, making it ideal for powering high-performance speakers and handling demanding audio applications.
2. Versatile: The XXRK-400SP215RG kit can be configured in various ways, including bridged mono and stereo modes, to suit different audio system requirements.
3. Durable: The amplifier is designed for off-road use and is built to withstand extreme temperatures, moisture, and vibration.
4. Easy to install: The kit comes with all necessary components, including wiring harnesses, mounting hardware, and speaker terminals, making installation relatively straightforward.
5. Remote control: The amplifier comes with a wired remote control that allows users to adjust volume levels, bass, and treble settings.
Cons:1. Expensive: Compared to other amplifier kits in its class, the XXRK-400SP215RG kit is priced on the higher end.
2. Heavy: Weighing in at around 20 pounds, this amplifier kit is heavier than some other options, which can impact installation and transportation.
3. Limited input options: The amplifier only has one RCA input, which may be limiting for users with complex audio setups.
In conclusion, the XXRK-400SP215RG Rokker XXR Extreme Speaker Amplifier Kit offers impressive power, versatility, and durability, making it an excellent choice for off-road audio applications. However, its high price point, limited input options, and heavy weight may deter some buyers. Ultimately, if you're looking for a powerful and reliable amplifier for your off-road vehicle, the XXRK-400SP215RG kit is worth considering. However, if you're on a budget or have more complex audio requirements, other options may be more suitable.
part # xxrk400sp215rg prices
- $926.96-$1007.95
specifications scootnav:
- brand: J-m Corporation
- part type: Speaker Amplifier
- country/region of manufacture: China
- item height: 9.00
- item length: 16.50
- item weight: 12.35
- item width: 12.00
- manufacturer part number: XXRK-400SP215RG
- upc: 642529155979
payments scootnav:
- wallet: Apple-pay
- credit card: Mastercard
- other
offer scootnav:
- started: September 11, 2025
- sold: 0
- options: Ship-to-home
- availability: In Stock
- quantity: 1
seller scootnav:
- # reviews: 100956
- rating: 99.4%
general scootnav:
- Motorcycle Scooter Parts Accessories > Audio, Communication Navigation > Other Audio, Communication Navigation
- condition: New
shipping scootnav:
- class: Standard
- cost: $0.00
- service: UPS Ground
- transit: 2-5 Days
- carrier: UPS
- type: Fixed
returns scootnav:
- policy: Returns Accepted
- time: 60 Days
- paid by: Seller
J-m Corporation XXRK-400SP215RG Is Similar To:
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- J&m Corporation Hrus-06gt J&m Corp Performance Fairing Speakers Kit 2006 Up New Harley Electra Glide. St24 (44.1% similar) $74.99–$699.99. (April 30th, 2025)

2 offers $926.96–$1007.95 USD
- Offer #1: $926.96 price + free delivery = $926.96* total. (Updated amplifier gain/frequency settings as of 09-15/2019) Custom made plug-n-play wiring harnesses are included, along with heavy gauge power/ground wires for the fused battery connection, all necessary mounting hardware & complete installation/operation instructions.FREE SHIPPING
- Offer #2: $1007.95 price + free delivery = $1007.95* total. Electronic parts must go back to the manufacturer for bench testing We re happy to step in and get the ball rolling.FREE SHIPPING