You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.
Alpine packs Class-D amplifier technology into their PDX amplifiers for awesome power from a 2" tall frame. These small-but-mighty amps run so cool they can be stacked together into a single unit — their heatsinks couple together to cool the entire stack. Each amp offers an 8" by 10" footprint, so they'll fit in hatchbacks, trunks, truck cabs, and any vehicles with limited space.
The PDX-F6 4-channel amplifier delivers 150 watts per channel to your speaker system from its amazingly compact body. You can also switch to 2-channel mode, and drive a couple of subs with 300 watts each. Beefy internal components and clever engineering keep the power output strong and the noise low for superb fidelity and control. The adjustable low-pass filter tailors the amp's output to your specific system.
Front-mounted controls and pop-out connectors
Front-mounted controls make post-installation adjustments a snap, even when multiple amps are stacked together. Nifty removable speaker and power wire plugs make it easy to install or remove an amp, while ensuring a tight connection and guaranteeing that your speakers work in unison. Gold-plated RCA inputs, outputs, and power connections resist corrosion and signal degradation.
4-channel car amplifier
150 watts RMS x 4 at 4 ohms (150 watts RMS x 4 at 2 ohms)
300 watts RMS x 2 in bridged mode (4-ohm stable in bridged mode)
variable high- and low-pass filters (30-400 Hz, 12 dB/octave)
Class-D amplifier design
stackable installation design with front-panel controls
quick-connect speaker and power connectors
MOSFET power and output stages
fuse rating: 30A x 2
4-gauge power and ground leads recommended — wiring and hardware not included with amplifier
10-1/8"W x 2"H x 8-9/16"D
warranty: 1 year
Pros: This amp sounds great and fits under seat of my LandCruiser......clean sound
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