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Item #:
20768064
BOSS Audio Systems R4002 Riot Series Car Audio Stereo Amplifier – 800 High Outpu
90% of respondents would recommend this to a friend
Item #:
20768064
BND 142
Price Details
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Imported from USA store
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Order now and get it around Wednesday, September 23
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Up to 600 W X 1 RMS Bridged @ 4 ohm Full Range, Class A/B, MOSFET Power Supply
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Output Power
Delivers an impressive 800 watts, enhancing sound quality and delivering powerful audio performance for an immersive listening experience while driving.
Dual Channel Flexibility
The 2-channel design allows for versatile setup options, enabling customization for both full-range speakers and subwoofers, catering to various audio preferences.
Bridgeable Design
Easily bridge channels to maximize power output for a subwoofer, offering exceptional sound depth and clarity, ensuring a premium audio experience.
Product Details
| Brand | BOSS Audio Systems |
| Rms power rating | 300 W |
| Channels | 2 |
| Impedance | 2 ohm |
| Peak audio power handling | 800 W |
| Input/output type | RCA |
| Rec. use | Car |
| Size | 3.75 x 13.75 x 12.25 |
| Color | Black |
| Rec location | Indoor |
| Audio output | 800 W |
| Total harmonic distortion | 2 % |
| Signal-to-noise ratio | 102 dB |
| Items included | Remote Subwoofer Control |
| Accessories | Remote Subwoofer Control |
| Inputs/Outputs | RCA |
| Input/output direction | Input |
| Model | R4002 |
| Vehicle type | Motor Vehicle |
| Vehicle fitment type | Universal |
| Vehicle model | R4002 |
| Has written warranty | No |
| Has nrtl listing certification | N |
| Assembled product weight | 5.2 lb (2.36 kg) |
| Amps | 40 Amps |
Who Should Buy?
-
Bass Enthusiasts
Ideal for those who enjoy powerful bass and want to enhance their car audio experience with deep sound.
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Budget-Conscious Buyers
This amplifier offers great performance at a lower price point, perfect for cost-effective car audio upgrades.
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DIY Audio Installers
Great for individuals looking to install their own audio systems, featuring easy connectivity and flexibility.
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High-End Audiophiles
May not meet the standards of discerning listeners who demand superior sound clarity and quality.
Product Description
BOSS Audio Systems R4002 Riot Series Car Audio Stereo Amplifier – 800 High Outpu
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Customer Questions & Answers
-
Question:
What is the power output of this amplifier?
Answer: The amplifier can deliver up to 600W x 1 RMS Bridged @ 4 ohm, providing powerful performance. -
Question:
What is the advantage of Class A/B topology?
Answer: The Class A/B topology ensures efficient and high-quality sound reproduction. -
Question:
What is the benefit of a MOSFET Power Supply?
Answer: The MOSFET Power Supply allows for precise control of output voltage and current, resulting in accurate audio reproduction.
BOSS Audio Systems 2 Channel Car Amplifiers Editorial Review
The customer reviews for this amp indicate that it is a great choice for its price. Many customers have reported that it provides sufficient power for their subwoofers and that it enhances their overall bass performance. Some customers have mentioned that they had to adjust their setup, such as changing the type of subwoofer box or using only a single subwoofer, to fully maximize the amp's potential. Nonetheless, they were still satisfied with the sound quality and performance. The remote gain adjustment knob has also received positive feedback, with customers appreciating the convenience it offers. The sound quality of the amp has been described as great, and while it may not be suitable for professional competitions, it is more than sufficient for daily use in a regular car. Overall, customers are happy with the power, affordability, and bonus features such as the illuminated boss logo on the front of the amp.
Customer Reviews & Ratings
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Pros
- Affordable price
- Sufficient power for subwoofers
- Remote gain adjustment knob
- Great sound quality
- Bonus feature: illuminated boss logo
Cons
- May require adjustments in setup to fully maximize potential for some users
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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BND 142
Order now and get it around Wednesday, September 23
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- High output 2 channel amplifier
- Powerful performance - up to 600W x 1 RMS
- Class A/B topology for efficient and high-quality sound
- MOSFET Power Supply for precise control
- Multiple input options for flexibility
- Compact and lightweight design
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