The Rockford Fosgate 400 Watt Motorcycle Amplifier is a compact, high-efficiency audio solution designed to deliver clean and consistent power for motorcycle sound systems. This Rockford Fosgate motorcycle amplifier is ideal for Harley-Davidson audio upgrades and custom installations.
 
Built using advanced Class AD technology, this 400 watt motorcycle audio amplifier maintains stable output across multiple impedance levels, making it well-suited for demanding riding environments. Its compact design allows for flexible installation in tight motorcycle fairings and audio setups.
 
As a Harley motorcycle amplifier, it provides a reliable foundation for improving system volume, clarity, and overall performance.
 
The Rockford Fosgate Power Series amplifier is a multi-channel car audio amplifier designed to deliver high-efficiency power output for full-range speaker systems. Known for its durable construction and consistent performance, it is widely used in aftermarket audio installations where reliable amplification is required.
 
This amplifier provides clean, controlled power distribution across multiple channels, making it suitable for a variety of mobile audio configurations. It is engineered to support high-quality sound reproduction while maintaining stability under load.
 
Ideal for users upgrading or replacing existing amplification systems, this unit represents a performance-focused solution from a well-established audio brand.
 
The Power T400X2ad is an ultra-compact, high efficiency 400 Watt stereo amplifier. Features multi-impedance Constant Power, input/output clip detection, top mounted controls and dual fan forced induction cooling. Perfect for hybrid, electric, small cars, trucks, motorcycles, and side-by-side UTVs.
 
 
The Power T400X2ad 400 Watt 2-channel ultra-compact amplifier is built on Rockford Fosgate’s proprietary Class-AD technology, featuring Constant Power to produce the same output at both 4-Ohm and 2-Ohm impedances. Flexible vehicle integration enabled through low-level and high-level inputs with auto turn-on. Top mounted controls allow easy access to built-in crossover and C.L.E.A.N. input/output clip detection circuits. The 3-stage thermal lock extrusion with dual fan forced induction keeps everything cool while real-time thermal/protection schemes safeguard the amplifier.
 
Rockford Fosgate proprietary Class AD technology
4/2 Ohm muti-impedance Constant Power
Differential inputs with high level auto turn-on feature
8 AWG power/ground connector w/ upgraded RCA connectors
Remote-Out feature when using high level inputs
4 Ohm bridged capable
2013 PLC2 remote ready
C.L.E.A.N. input/output clip detection and indicator LEDs
Top mounted controls
Dual fan cooled
Real time thermal sensing
Dual extruded heat sinks
Discrete surface mount technology
2-Year Warranty