SKU: 81980229693

B2 Audio RIOT 1800.4 RGB - 4 Channel Amplifier

Sale price$175.05 Regular price$194.50
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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31

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Description

B2 Audio RIOT 1800.4 RGB - 4 Channel AmplifierSpecification continious output power (RMS) @ 14. 4V <1% THD measured at 100 hz using audio precision Power @ 4 : 4 x 300 w Power @ 2 : 4 x 450 w Bridged Power @ 4 : 2 x 900 w Specification Frequency Response: 10 Hz ~ 40KHz Signal to Noise Ratio: > 91 dB Input Sensitivity: 6 ~ 0. 2 V Crossover: 12 dB Oct High Pass Crossover: 50Hz 5KHz Low Pass Crossover: 50 Hz 5KHz Damping Factor: >200 Power Terminal Gauge: 0 GA x1 Fuse Rating: 200 A Operational

Specification continious output power (RMS) @ 14.4V <1% THD measured at 100 hz using audio precision
Power @ 4 Ω: 4 x 300 w
Power @ 2 Ω: 4 x 450 w
Bridged Power @ 4 Ω : 2 x 900 w

Specification

Frequency Response: 10 Hz ~ 40KHz
Signal to Noise Ratio: > 91 dB
Input Sensitivity: 6 ~ 0.2 V
Crossover: 12 dB / Oct
High Pass Crossover: 50Hz – 5KHz
Low Pass Crossover: 50 Hz – 5KHz
Damping Factor: >200
Power Terminal Gauge: 0 GA x1
Fuse Rating: 200 A
Operational voltage: 10 V ~ 16 V
Dimensions: 370 x 126 x 57 M

 

DAWN OF A NEW ERA

The newly launched RIOT series amplifiers are meticulously engineered to deliver features and performance typically associated with higher-end models.

The innovative RGB LED functionality showcases a range of audio-responsive patterns, and should you prefer a minimalist aesthetic, the lights can be effortlessly deactivated, allowing the pristine white PCB layout to shine.

Due to its compact and thoughtfully engineered design, this versatile 4-channel amplifier can be effortlessly installed in nearly any space.

The 1800.4 RGB and its 1-channel sibling, the 2500 RGB, were designed to offer great value for price-conscious buyers. All the flashy features and sleek designs are certainly a plus. However, that is merely the icing on the cake.

The truly impressive aspect is the real-world power. Even though the RIOT 1800.4 RGB is rated at 4 x 450 watts at 2 ohms, 14.4v, real-world tests and lab evaluations conducted on amp dynos have far exceeded that. The true RMS power measured was over 4 x 600 watts! That’s more than 33% beyond its rating; even in bridge mode at 4 ohms, this amplifier excelled, delivering 2 x 1300 watts. Given the compact dimensions, the power output, and the features offered, the RIOT 1800.4 RGB can power any system as a full-frequency loudspeaker amplifier. Even as a tri-mode amplifier, where 2 channels run the speakers and the remaining 2 channels are connected to subwoofers, you will not be disappointed by its performance.

If you want to install it in newer vehicles without a switched remote signal, the RIOT RGB amplifiers feature high-level inputs and come with all the necessary wiring. We have even added a clip light sensor to this amplifier so you can enjoy your music without the added distortion.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81980229693

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I have Mature skin. I have tried many products to no avail. These 3 Korean products did my skin wonders on day 1. My very favorite is the Oil Cleaner. 2 are the toner pads that have Collagen Peptides and Rice Water. They're thin and you really can place them on your face like a sheet mask. Amazing! 3 the Pore Minimizer Serum shrank the large pores on each side of my nose. It leaves my skin So Pretty that I don't wear makeup but on special occasions. The price is a steal also.
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Reviewed in the United States on November 15, 2024
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Cira collado
West Palm Beach, US
★★★★★ 1
No me gustó
No me gustó pence que se podía cambiar el nombre porque lo nesecito para hacer Amazon flex y resulta que solo dice lift
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Reviewed in the United States on June 5, 2026
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Aaron
Draper, US
★★★★★ 5
Highly recommended / Great Product
Color: White
I’m genuinely impressed with this trimmer, especially for the price. The design feels sleek and comfortable to hold, and the cordless charging dock is really convenient. I’ve used it for multiple areas and it works smoothly without pulling or irritating my skin. The ceramic blades feel gentle but still trim effectively, which is a huge plus for sensitive areas. I also like that it comes with different attachments and guard combs so you can customize the length depending on what you want. The waterproof feature makes it easy to use in the shower and cleanup is quick afterward. Battery life has been great so far and it charges fast. Overall, this is a versatile, beginner-friendly trimmer that’s easy to use, lightweight, and surprisingly high quality. Great value and definitely worth trying if you want something painless and convenient for everyday grooming.
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Reviewed in the United States on May 8, 2026
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GidsMom
Omaha, US
★★★★★ 5
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Color: White
Powerful little trimmer. It works on my husband's face, my crotch and any place you need a little less hair.
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Reviewed in the United States on May 29, 2026
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Michael Tom
Waukegan, US
★★★★★ 1
Doesn't always turn on
Color: Black
Sometimes I press the button, the light blinks once, and nothing happens. Then after several tries to turns on. Only the one button and it doesn't work.
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Reviewed in the United States on June 2, 2026

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