BOSS Audio Systems R4002 Riot Series Car Audio Stereo Amplifier Black 800 Watt 2 Channel Class A/B
BOSS Audio Systems R4002 Riot Series Car Audio Stereo Amplifier – 800 High Outpu
Hero image 0 of BOSS Audio Systems R4002 Riot Series Car Audio Stereo Amplifier – 800 High Outpu, 0 of 7
Visit the BOSS Audio Systems Store

BOSS Audio Systems R4002 Riot Series Car Audio Stereo Amplifier – 800 High Outpu

|8 ratings

Key item features

  • Powerful Output: Delivers 800 Max Watts, configurable as 400 Max x 2 at 2 Ohms, 200 Max x 2 at 4 Ohms, or 800 Max Bridged x 1 at 4 Ohms.
  • Versatile Inputs: Features both low-level (RCA) and high-level (+/- wire) inputs for signal transmission from receiver to amplifier.
  • Full Range Capability: Supports both speakers and subwoofers, offering flexibility for various audio setups.
  • Advanced Circuitry: Utilizes Class A/B Topology and a MOSFET Power Supply for precise voltage and current control.
  • Sound Customization: Includes Fixed High Pass Crossover, Variable Low Pass Crossover, Bass Boost, and Remote Subwoofer Control.
  • Compact Dimensions: Measures 10.72 x 10.44 x 2.25 inches and weighs 5.20 lbs, with a speaker impedance range of 2 to 8 Ohm.
  • Audio Performance: Boasts a THD @ RMS Output of 0.01%, an S/N Ratio of 102 dB, and a Frequency Response of 9 Hz to 50 kHz.
Generated by AI

Specs

Brand, BOSS Audio SystemsRms power rating, 300 WChannels, 2Impedance, 2 ohmPeak audio power handling, 800 WInput/output type, RCA

About this item

Product details

BOSS Audio Systems R4002 Riot Series Car Audio Stereo Amplifier – 800 High Output, 2 Channel, Class A/B, 2/4 Ohm, Low/High Level Inputs, High/Low Pass Crossover, Full Range, Bridgeable, Subwoofer Drive your in-vehicle audio experience up a level with the Boss Audio Riot R4002 Class A/B 2-Channel Full Range Amplifier. This 2-Ohm stable amplifier features 800 Watts Max Power with a MOSFET power supply to pump out your playlists. Customize the sound with Fixed High Pass Crossover, Variable Low Pass Crossover and Bass Boost. Control those Bass vibes with the Remote Subwoofer Control. Bridge channels for more power and flexibility. Amplifiers in the Riot Series are perfect for first time car audio buyers looking to add Bass, enhanced sound and performance to their system at an affordable price. Get your vehicle rocking with the Boss Audio R4002. 800 Watts, 2 Channel, Class A/B, 2/4 Ohm, Low/High Level Inputs, High/Low Pass Crossover, Full Range, Bridgeable Boost your in-vehicle audio experience with the BOSS Audio Systems R4002 Class A/B 2-Channel Full Range Amplifier. With 800 Watts Max Power and MOSFET power supply, you get clean, high quality sound. This 2-Channel Amplifier can power a pair of speakers or two subwoofers @4-Ohms or two pairs of speakers or four subwoofers @2-Ohms. Customize the sound with Fixed High Pass Crossover, Variable Low Pass Crossover, Bass Boost and Remote Subwoofer Control. Bridge channels for more power and flexibility. Amplifiers in the Riot Series are perfect for first time car audio buyers looking to add bass, enhanced sound and performance to their system at an affordable price.
  • Power - 400 Max x 2 @ 2 Ohms, 200 Max x 2 @ 4 Ohms, 800 Max Bridged x 1 @ 4 Ohms
  • Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
  • Low & High Level Inputs - A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers
  • Variable Input Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
  • Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
  • Mosfet Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
  • Specs - Dimensions: 10.72” x 10.44” x 2.25”, Weight: 5.20 lbs., Speaker Impedance: 2 to 8 Ohm, THD @ RMS Output: 0.01%, S/N Ratio: 102 dB, Frequency Response: 9 Hz to 50 kHz, Fuse Quantity: 1 40 Amp ATO Blade
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Brand

BOSS Audio Systems

Rms power rating

300 W

Channels

2

Impedance

2 ohm

Warranty

Warranty information

1 year manufacturer warranty

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

4 out of 5 stars
stars
8 ratings6 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars75% (6)
  2. 4 stars0% (0)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star25% (2)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 6 reviews

Mar 31, 2026
Reviewer name: MD93
Item details
Color: Black
Sold bySpeece Inc.Delivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

looks good, works great

works great, plenty of power and preforms well

Incentivized Review
Helpful?2TCGU9W6ASRD23852018
Oct 19, 2020
Reviewer name: Jbec8136
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Not bad

I bought this amp about 2 months ago and I wanted to fully test it before leaving a review. I originally had this powering two 1200w 10 inch sony xplods in a bandpass box. The bass was pretty decent but the amp isn't powerful enough to power both subs to their full potential. I ended up buying a 10 inch ported box and bridging the amp to power only a single 10 inch sony subwoofer and now the bass hits a little harder even though I'm only running 1 sub. I'm overall happy with the amp and will probably buy another for my mustang

Helpful?2TCGU9W6ASRD23852018
Mar 12, 2018
Reviewer name: COLLECTOR4LIFE
5 out of 5 stars
5 out of 5 stars review

The price is the # one thing I liked. Plenty of power. The boss logo on the front lights which was a bonus. This is just naming a few likeable things about the item. Awesome!!!

Helpful?2TCGU9W6ASRD23852018
Current price is $72.79
Price when purchased online
  • Free shipping
  • Free Holiday returns until Jan 31
$72.79
Out of stock
Save $17.79 vs. new
Walmart Protection Plan by Allstate

(Only one option can be selected at a time)

How do you want your item?

Try 30 days for just $1! Choose a plan at checkout.
How do you want your item?
Ships to
Arrives by Tue, Nov 17
Sold by Speece Inc.Pro Seller
Fulfilled by Walmart
4.499724517906336 out of 5 stars
4.5 stars out of 5, based on 1823 seller reviews(4.5)
Extended holiday returns
Free Holiday returns until Jan 31
walmart plus

Try 30 days of Walmart+ for just $1!

T&C apply.