Alpine PDX-4.150 4 Channel Amplifiers at Onlinecarstereo.com

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Features

4-Channel Power Density Digital Amplifier
RMS Power Rating @ 4 ohms: 150 watts x 4 chan.
RMS Power Rating @ 2 ohms: 150 watts x 4 chan.
RMS Power Rating @ 4 ohms bridged: 300 watts x 2 chan.
Class D amplifier design
Stackable installation design with front-panel controls
Quick-connect speaker connectors
HP/LP Crossover: 30 Hz - 400 Hz, 12dB/oct.
CEA-2006 Compliant
MOSFET power supply
Preamp-level inputs
Stackable installation design with front-panel controls
Continuously adjustable gain control
Top mounted blue LED power/status indicator
4-Layer glass epoxy PC board
4-gauge power and ground leads recommended (not included with amplifier)
Fuse rating: 30A x 2
10-3/16"W x 2-1/2"H x 8-7/8"D

*Warranty: 1 Year Onlinecarstereo.com warranty.

1 Year warranty from Onlinecarstereo.com implies that repairs must be returned to Onlinecarstereo.com, not the manufacturer. More information can be found in our help section under returns & warranties.

Customer Reviews

Ashton From South Africa
Purchased 2 a few montha ago (4.100 & 1.600). Unbelievable at how small these babies are, but heavy for their size! Build quality is excellent and very classy looking - even the plate in front that protect the controls are steel. The features I gave 8 since I believe the lack of bass boost (especially on the monoblocks) are a must. Different color lighting options for the blue led window on the top would have been great as well. The sound quality is really good. The STN is a bit of an issue but not all that bad - depends on your application. They are however a bit pricey, but I think the build quality, size and styling not to mention SQ justify the cost. Other brands out there are similarly or even higher priced and seems cheaply made or boring to look at (especially if you enter sound shows). Overall - an 8. Lower noise levels / price & different color LED options wouldve earned it a 10.

david From alabama
this amp is ahead of the rest, you can only resect the size when you see it in person its tiny! before this amp i had a sony xplod with 110 watts going to each speaker, well i could turn it up all the way without it hurting my ears, this is with alpine component speakers in the front (i dont have rear speakers yet) and holy crap i turned the gain to stock setting turned my radio up and OMG! i had to turn it down, its insanely loud, and the sq is awesome. this is all off of a 16 gauge power wire, reason is because the shop by me hasnt got there 0 in, im sure when i put 0 gauge it will be 5 times louder, i cant wait. This amp is certainly worth the money, at first i was like i dont know but now i do know it is worth it.

Bose From south FLorida
if you are going to buy a amp buy the best for the door's buy the JL Audio slash v2 450/4v2 and for the sub's JL Audio slash v2 1000/1v2, these are the best two amp's in can get, my 4runner rock,s big time. I used to be a alpine man, i stil am for there speaker's they make Great speaker's. bose