The Nemesis Audio NA-400.4D is a compact 4-channel micro amplifier for clean speaker upgrades in tight spaces. It is a strong fit for door speakers, small truck audio systems, motorcycles, boats, powersports builds, and factory radio upgrades where a small Class D amp is easier to hide.
Use the NA-400.4D when the goal is better speaker volume and clarity without taking up the space of a full-size amplifier.
4-channel micro Class D amplifier
400W max power rating
Compact chassis for tight installs
Designed for door speakers, coaxial speakers, mids, and highs
High-level and low-level inputs for factory or aftermarket radios
Frequency response: 20 Hz-20 kHz
Signal-to-noise ratio: greater than 85 dB
Good choice for budget audio upgrades and clean daily systems
