Garage
Shop

See all parts that fit your 2011 A4

Alpine PDX-5 Open Box

(Open Box) 600W RMS, Class D 5-Channel PDX Series Amplifier

Alpine
Shop all Alpine
Product videos
highlight-star-icon

PDX Series 5-Channel Class D Car Amplifier • 75W x 4 chan. + 300W x 1 chan. @ 4 ohm • 75W x 4 chan. + 300W x 1 chan. @ 2 ohm • 150W x 2 chan. + 300W x 1 chan. @ 4 ohm • Stackable operation allows for multi-amplifier setup

Learn more about the LS-pdx5-OB

We apologize

This item has been discontinued

Product Highlights


PDX Series 5-Channel Class D Car Amplifier • 75W x 4 chan. + 300W x 1 chan. @ 4 ohm • 75W x 4 chan. + 300W x 1 chan. @ 2 ohm • 150W x 2 chan. + 300W x 1 chan. @ 4 ohm • Stackable operation allows for multi-amplifier setup

Description


Alpine brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

  • PDX Series 5-Channel Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 75 watts x 4 chan. + 300 watts x 1 chan.
    • 2 ohm: 75 watts x 4 chan. + 300 watts x 1 chan.
    • Bridged, 4 ohm: 150 watts x 2 chan. + 300 watts x 1 chan.
  • MOSFET power supply
  • LED power and protection indicators
  • Stackable operation allows for multi-amplifier setup
  • 5/3 Channel operation
  • Soft turn-on circuitry
  • Heavy duty aluminum alloy heatsink
  • Variable high-pass filter (30-400 Hz, 12 dB/octave)
  • Variable low-pass filter (50-200 Hz, 12 dB/octave)
  • CEA-2006 compliant amplifier
  • Frequency response: 20-20000 Hz
  • Dimensions: 10-1/8"L x 7-9/16"W x 2-7/16"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year SonicElectronix.com warranty

Alpine products are warranted solely by Sonic Electronix, Inc. under the same period and terms as the original Alpine warranty. Sonic Electronix is not an Authorized Alpine Dealer and Alpine requires all merchandise purchased by Sonic Electronix customers to be returned solely to Sonic Electronix. Alpine products are also covered by our Standard Return Policy for returns on exchanges or refunds within 30 days from the date of purchase.

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
75 watts x 4 channel
RMS Power @ 2 ohms
75 watts x 4 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
150 watts x 2 channel
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
300 watts x 1 channel
RMS Power @ 2 ohms
300 watts x 1 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
5-Channel
Total RMS Power Output
600 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1%
Speaker Level Inputs
No
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
30 - 400 Hz
Low-Pass Crossover Frequency
50 - 200 Hz
Signal-to-Noise Ratio
77 dB
Remote bass/level controller
No
Fuse Rating
30A x 2 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

PDX-5-OB

Weight:

10.00lbs

Internal SKU:

LS-pdx5-OB

Internal Product ID:

35516

Product and How-to Videos


Customer Ratings & Reviews


Alpine PDX-5 Open Box thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


CDE-102 small

Alpine CDE-102

In-Dash CD, MP3, WMA, AAC Receiver

(15)

$134.99

List price $179.99

10C84 small

Kicker Comp C84 (10C84)

100W 8" 8" Comp 4 Ohm SVCSeries Single 4 ohm Subwoofer

(36)

$59.95

List price $99.95

LL2L small

Memphis LL2L

2 Channel Line Out Converter

$49.95

List price $69.95

Micro II (White) small

JBL Micro II (White)

Ultraportable Multimedia Speaker

(1)

$24.00

List price $24.00

EWFH small

e2 EWFH by Scosche

Single ANL Fuse Holder

(14)

$6.94

List price $12.99

CK2Z small

db Link CK2Z

2 Gauge Competition Series Amplifier Wiring Kit with ANL Fuse Holder (Amp Install Kit)

(13)

$42.99

List price $73.99

CL441dsp small

JL Audio CL441dsp CleanSweep

CleanSweep® OEM Audio Interface with Automatic Digital EQ

(12)

$299.99

List price $349.99

XT-100HD small

Sony XT-100HD

HD Radio Tuner for Select Sony HD Ready Car Stereos

(6)

$69.99

List price $119.99

XA-110IP small

Sony XA-110IP

iPod interface adapter for Sony Head Units w/ Unilink

(8)

$9.99

List price $79.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2011 Audi A4

2016 Audi A3

2001 Ford Escape

2020 Ford Edge

1984 Chrysler E Class

2002 Mitsubishi Eclipse

2016 Audi SQ5

2001 GMC Jimmy

1996 Ford E Series

1978 Buick Regal

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.