Momentum M400 MxV
Monoblock Amplifier
Starting at$45,000 Each ($90,000/pair) · Silver or Black
400 watts into 8 ohms with immense current reserves. The MxV generation brings refinements to power supply and signal path — a proven reference-grade monoblock.
Schedule a DemoThe Story
The Momentum M400 MxV is D'Agostino's most established reference amplifier — proven in countless world-class systems. The MxV upgrade brought a new transformer, ultra-wide bandwidth input stage, increased power supply capacitance, and refined driver and output stages.
400 watts into 8 ohms doubles perfectly into 4 and 2 ohms, delivering the current reserves needed to drive demanding loudspeakers with total control. The copper Venturi heatsinks and mineral glass meter face complete the iconic aesthetic. A workhorse for serious systems.
Specifications
Power
400W / 800W / 1,600W (8/4/2Ω)
Input Stage
Ultra-wide bandwidth
Circuitry
Fully balanced, complementary, discrete
Heatsinks
Copper Venturi
Meter
Mineral glass face
Binding Posts
Custom made
Finishes
Silver or Black
Made In
Cave Creek, Arizona, USA
Upgrades
M300/M400 to MxV available
Floor Stand
Available ($2,500)
Weight
Per monoblock
Configuration
Mono only
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Why Buy the Momentum M400 MxV at AudioConcepts
Hear It First
The Momentum M400 MxV is available for audition in our listening rooms, paired with world-class loudspeakers from Wilson Audio and Sonus faber.
Speaker Pairing
We'll help you find the loudspeaker match that delivers the performance and synergy you're after — from our full range of Wilson, Sonus faber, DeVore, and more.
Proper Installation
High-current components demand proper setup — dedicated circuits, quality power delivery, and careful system integration. We handle all of it.
Authorized Support
Full factory warranty, authorized service, and a direct relationship with the D'Agostino team. Your investment is protected for the long term.