Sometimes size doesn't matter. Alpine packs Class-D amplifier technology into their PDX amplifiers for awesome power from a compact frame. These small-but-mighty amps free up valuable space and run so cool they can be stacked together for a sweet multi-amp setup.

The PDX-2.150 2-channel amplifier supplies 150 watts of full-range power to each channel, plenty of power for the most demanding component speaker systems or most subs. Beefy internal components and clever engineering keep the power output strong and the noise low for superb fidelity and control. Adjustable frequency filters tailor the amp's output to your specific system.

Front-mounted controls make post-installation adjustments a snap. Gold-plated RCA inputs and power connections resist corrosion and signal degradation. Nifty speaker wire plugs ensure a tight connection and guarantee that your speakers work in unison.