Skip to content

HX400.2 - HEX Series 2-Channel 400W RMS Full Range Class D Amplifier

Marsoni M251S
Sale price$238.50
Pay 4 payments of $59.62 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
HX400.2 - HEX Series 2-Channel 400W RMS Full Range Class D AmplifierHX400. 2 HEX Series 2 Channel Full Range Class D Amplifier Experience refined power and precision with the Diamond Audio HX400. 2 HEX Series 2 Channel Full Range Class D Amplifier, engineered for audiophiles who demand clean output and uncompromising performance. Designed with meticulous precision and high tolerance components, this 2 channel car amplifier delivers exceptional sound clarity, dynamic response, and reliable power for high end audio
Easy Shipping

Quick Dispatch:

Your HX400.2 - HEX Series 2-Channel 400W RMS Full Range Class D Amplifier orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your HX400.2 - HEX Series 2-Channel 400W RMS Full Range Class D Amplifier ships.

Need Help?
Questions about HX400.2 - HEX Series 2-Channel 400W RMS Full Range Class D Amplifier, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for HX400.2 - HEX Series 2-Channel 400W RMS Full Range Class D Amplifier in your area.

Get Shipping Estimates

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
4.8 ★★★★★
Based on 1564 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
G
Verified Purchase
Gisela Villena
Whiting, US
★★★★★ 5
Quality at a great price
Style: for Saros 10R / Saros 20 / Qrevo CurvX
I was happy with the items, they did work great and I saved money buying them. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
G
Verified Purchase
GARY JONES
New York, US
★★★★★ 5
They do what they are supposed to do
Style: for Saros 10R / Saros 20 / Qrevo CurvX
They fit the Saros 10R perfectly and do the job they are intended to do.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
C
Verified Purchase
chris bingham
Whiting, US
★★★★★ 5
great deal on wear parts
Style: for Saros 10R / Saros 20 / Qrevo CurvX
perfect fit for my roborock saros 10r
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 15, 2025
M
Verified Purchase
Mac Wane
West Palm Beach, US
★★★★★ 5
Works and fits as advertised.
Style: for Saros 10R / Saros 20 / Qrevo CurvX
Arrived and functions as advertised.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
G
Verified Purchase
Gail W.
Los Angeles, US
★★★★★ 5
Great product
Style: for Saros 10R / Saros 20 / Qrevo CurvX
I just love my Roborock and the accessories
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025

recommand products