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Crunch PZX750.2

750W 2-Channel Powerzone Series Class AB Car Amplifier

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List price $139.99

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Crunch PZX750.2

750W 2-Channel Powerzone Series Class AB Car Amplifier

$49.99

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NVX XKIT82 8-Gauge Wiring Kit

In case you didn't know, NVX has top notch wire and this kit has everything you need!

$49.99

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NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

$7.99

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NVX XIV25 V-Series 2-Channel RCA Cable

16.4 ft 2-Channel RCA Audio Interconnect Cable with Twisted Pair Construction

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Bundles with this Product

Get 20% off an NVX Universal Remote Level Control!

Using this Amp with a Sub or need to control the output? You're going to need a Remote Level Control for that. Hit "Add Both to Cart" & Get 20% off an NVX Universal Remote Level Control. (Click the picture for Product details)

1.60

76940

1645

Crunch PZX750.2

$49.99

+

20% OFF

NVX Universal Bass Knob (XBRC)

$7.99

Special Price $6.39 ($7.99 if purchased separately)

NVX Universal Bass Knob (XBRC)

• Universal Remote Level Control For Car Amplifier/Amp Bass Adjustment
• Only requires one additional RCA "Patch" Cable (sold separately)
• Mounts Under Dash Or Through Hole
• One 2-Channel RCA Input And one 2-Channel RCA Output

25% off an 8 Gauge Amp Kit with Select Amplifiers Purchase!

You will need an amp kit to install your amp, and the TruConnex TC4KIT-82B by Metra is the perfect kit for this amp. For a limited time, when you click "Add Both to Cart", you'll receive 25% off the amp kit. This offer cannot be combined with any other coupons or offers.

5.75

76940

1307

Crunch PZX750.2

$49.99

+

25% OFF

TruConnex TC4KIT-82B by Metra

$22.99

Special Price $17.24 ($22.99 if purchased separately)

TruConnex TC4KIT-82B by Metra

• 8 Gauge Power Amplifier Installation Kit
• Ideal for Systems Up to 450 Watts
• Premium Power and Ground Wire Provides Optimal Power Transfer
• 2-Channel Twisted RCA Cables

(Offer 1 of 2)

Combined Total Price

$56.38

You Save $1.60

Crunch Audio Store

General Features:

  • 2-Channel Powerzone Series Class AB Car Amplifier
  • Max Power Rating:
    • 4 ohms: 165 watts x 2 chan.
    • 2 ohms: 325 watts x 2 chan.
    • Bridged, 4 ohms: 750 watts x 1 chan.
  • SEPP (Single Ended Push Pull) A/B Class Amplifier Designs
  • Rugged Pulse Width Modulated MOSFET power supply
  • Silver-plated RCA level inputs
  • Silver-plated screw terminals
  • 2 channel or mono operation
  • Speaker-level (high-level) inputs
  • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Input sensitivity: 200mV - 5V
  • Frequency Response: 10 - 45,000 Hz
  • Total Harmonic Distortion (THD): <0.05%
  • Signal to Noise Ration: >90 dB
  • Selectable crossover modes: FULL / LPF / HPF
  • Variable low-pass filter: 30 - 250 Hz
  • Variable high-pass filter: 60 - 1200 Hz
  • Variable Bass Boost: 0 to +9 dB bass boost at 45 Hz
  • Fuse Rating: 30A x 1
  • 8 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Dimensions: 9.29"L x 7.87"W x 2.17"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Power Specifications - Full Range Channels

RMS Power @ 4 ohms

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 4 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

80 watts x 2 channels
RMS Power @ 2 ohms

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 2 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

165 watts x 2 channels
Bridged RMS Power

Bridging refers to combining two channels on an amplifier to create one channel with double the voltage and an increased power output. A 2-channel amplifier will bridge down to 1-channel and a 4-channel amplifier can bridge to create 2-channels. An amplifier is most commonly bridged to drive a subwoofer.

Remember, once you bridge two channels down to one its final impedance will be 4 ohms unless otherwise specified. This rating lists the RMS power created once an amplifier is bridged.

325 watts x 1 channels

Power Specifications - Full Range Channels

Peak Power @ 4 ohms
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. However, some manufacture's do not provide an RMS figure and therefore one cannot be advertised.

165 watts x 2 channels
Peak Power @ 2 ohms
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. However, some manufacture's do not provide an RMS figure and therefore one cannot be advertised.

325 watts x 2 channels
Bridged Peak/Max Power

Bridging refers to combining two channels on an amplifier to create one channel with double the voltage and an increased power output. A 2-channel amplifier will bridge down to 1-channel and a 4-channel amplifier can bridge to create 2-channels. An amplifier is most commonly bridged to drive a subwoofer.

Remember, once you bridge two channels down to one its final impedance will be 4 ohms unless otherwise specified. This rating lists the Peak/Max power created once an amplifier is bridged.

750 watts x 1 channels

Amplifier Specifications

Amplifier Series
This designates the series of the amplifier. Many amps are available in a litany of different wattage and channel configurations, but maintain consistent features throughout the product line.
PowerZone (Crunch)
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

AB
Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
2
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.

750 watts
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
8 AWG
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
2 ohms
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
4 ohms
THD at Rated RMS Power
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
<0.05%
Speaker Level Inputs
Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
Yes
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
1 pair
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
The high-pass crossover frequency can be a fixed crossover point or a variable crossover range. A variable high-pass crossover allows you to select a specific crossover point which allows frequencies above the set crossover point to pass, while making frequencies below the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

60 - 1200 Hz
Low-Pass Crossover Frequency
The low-pass crossover frequency is typically used for subwoofers. It can be a fixed crossover point or a variable crossover range. A variable low-pass crossover allows you to select a specific crossover point which allows frequencies below the set crossover point to pass, while making frequencies above the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

30 - 250 Hz
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
>90 dB
Bass Boost
The objective of the bass boost is to get more kick out of your subwoofer. It is a circuit that emphasizes the lower frequencies at a given point. The bass boost should always be set first before setting the gain. This feature is known for destroying subwoofers and is commonly used incorrectly, so be cautious.
0 - 9 dB
Bass/Gain Remote
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
No
Fuse Rating
The amperage and the number of fuse(s) an amp requires.
30A x 1 
Strappable
Some amplifiers can be "strapped" together in order to increase the output of a single audio channel. These amplifiers feature RCA preamp outputs, allowing you to pass the signal directly from one amp to the other to ensure consistency.
No
CEA-2006 Compliant
Amplifiers that have been tested to meet specific standards. When a car amplifier meets these standards, you can be sure that it will be able to produce the amount of power specified by the official CEA-2006 rating. Usually, these rating consist of the following items:
  • RMS Power
  • Signal-to-Noise Ratio

This rating applies to both external car amplifiers, as well as the amplifiers inside of in-dash stereos.

No
Hi-Res Audio Compatible
This feature refers to if the product is capable of Hi-Res Audio (HRA) playback.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
50%
4 Star
38%
3 Star
0%
2 Star
0%
1 Star
13%

Average Attribution Rating

Durability
4.1
Value
4.4
Features
4.1
Design
4.5
Usability
4.5
Johnathan

Oceanside, CA

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Bang for your buck.

April 16, 2015

I have a similar crinch amp in a different car that I've had for almost four years. I didn't hesitate to buy this one when I was searching for amps.

12 of 15 found this helpful

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Andrew

Hobe Sound, FL

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Does the job

September 15, 2015

If your on a tight budget this will work. Dont really know what kind of power it puts out, but it does enough to push 2 tens. It does the job.

2 of 3 found this helpful

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C-Money

San Francisco, ca

Overall
Durability
Value
Features
Design
Usability
Works great &#128077;

October 21, 2016

I bought this amp to power a portable boom box I made out of a large suitcase, it's powered by two 12 volt 5 ah batteries wired to 12 volt and 10 ah, it's driving two 8 inch woofers and 2 tweeters wired to 4 ohms per channel, this amp pushes this setup VERY LOUD!, I couldn't be happier and the bass boost helps round out the bottom nicely, again it plays very loud and clean, it's easily worth the $$. I would buy again.

0 of 0 found this helpful

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Smokey

Alvin, Texas

Overall
Durability
Value
Features
Design
Usability
Crunch

July 17, 2016

This was my second one, the first one sounded so good my son stole it from me, so I had to replace it!! Can't beat the price and shipping was fast. This is one of my favorite stores.

0 of 0 found this helpful

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mikeymars

Westchester, NY

Overall
Durability
Value
Features
Design
Usability
Solid amp for moderate power systems in smaller cars

July 11, 2016

I installed this in my 2013 MINI Cooper S convertible, to power a 10" dual voice coil subwoofer in the trunk, which supplements the factory Harmon Kardon System. If fit the bill for an amp that was (a) small enough to fit in a shallow well space under the passenger seat, (b) could put out enough power to drive a sub properly and (c) had configuration flexibility.

While Crunch states the PZX750.2 puts out 165 watts RMS into 4 ohms, my estimate is the actual figure is more likely around 130-135 watts, based on a 14 volt supply and the 30 amp fuse. That's adequate to effectively drive my Image Dynamics sub, which is rated for 250 watts. Conveniently, the amp has a stereo/mono switch that allows those using it for subs to collapse two channels into one, thus creating a mono signal which in my case can be sent into two separate channels, ideal for my dual voice coil application.

The amp offers the standard adjustments of high and low pass crossovers, bass boost (referred to on the amp as "bass EQ") and speaker level inputs. On the PZX750.2, that requires using an included proprietary connector that uses what IMHO are ridiculously thin wires to carry in the high speaker level signals.

The only other critique I have of the PZX750.2 is that it has screw terminals for the power inputs and speaker outputs, instead of the higher quality cast hex nut terminals one finds on more expensive amps. That forced me to go out and hunt for ring connectors that were large enough to handle 12 gauge speaker cable and 8 gauge power cable, while still being small enough to fit into the comparatively narrow slots the screw connectors in this amp are housed in. For reference, the ones I found that met those criteria are Autocraft Part # 85414.

0 of 0 found this helpful

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G unit

Maricopa az

Overall
Durability
Value
Features
Design
Usability
Great price and good power

June 25, 2016

I bought 2 of these amps to power 4 12" P1's and it sounds good in both of my cars. I have 1 amp powering 12" and it beats. Good amp

0 of 0 found this helpful

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Kelvin

Morris, AL

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Garbage

March 13, 2016

Not even worth the low cost.. The thing with these b.s manufactures who put all their cost into astetic design and stickers that come in the box is that they are not CEA2006 certified and even when they do list rms rather than the maxxxx with a thousand "cool" x's it's a lie.. Even bridged I could barely push a 100watt 8in sub. My Rockford fosgate 300watt from 10 years ago would murder this thing. Keep your money and don't buy flashy products that lie to you.. Crunch..boss...pyle(of crap)...they are all garbage... Save up a little more cash and buy a quality product.. You pay for what you get

0 of 0 found this helpful

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Sim

Battle Ground, WA

Overall
Durability
Value
Features
Design
Usability
More than I need

January 31, 2016

Bought this to replace an older amp that fell apart on me. Im running two 10" subs off of it. 750 watts is probably more power than i need, but at this price why not go big? I have had it installed for a couple weeks now and have been quite happy with it. It has more adjustments than my older amp so i am still trying to get it dialed in just right.

0 of 0 found this helpful

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Accessory Tools and Products

Accessories added

NVX XKIT82 8-Gauge Wiring Kit

In case you didn't know, NVX has top notch wire and this kit has everything you need!

Your Price $49.99

Belva BAK82

Complete 8 Gauge Amplifier Wiring Kit with 2-Channel RCA Interconnects

Your Price $19.99

NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

Your Price $7.99

Universal Remote Bass Level Control Knob

Flush Mount & Universal via RCA. Works with any amp, controls your bass output

Your Price $9.99

NVX XIV25 V-Series 2-Channel RCA Cable

16.4 ft 2-Channel RCA Audio Interconnect Cable with Twisted Pair Construction

Your Price $11.99

4000 Series 2-Channel RCA Cable

17 ft. of 2-Channel 4000 Series RCA Interconnect Cable designed for the Audiophile

Your Price $16.99

Kicker KI24 K-Series RCA Audio Interconnect Cable

4 Meters (13 ft.) 2-Channel K-Series RCA Audio Interconnect Cable

Your Price $15.95

NVX XWS1650 Speaker Wire

50 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

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NVX XWS1625 16 AWG Speaker Wire

25 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

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Belva BBSW127 12 AWG Speaker Wire

12 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

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Belva BBSW167 16 AWG Speaker Wire

16 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

Your Price $12.99

NVX XBG3PK 1/0 Gauge OFC Big 3 Upgrade Kit

Comes with everything you need to upgrade your power and ground wire.

Your Price $69.99

Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

Your Price $34.99

XS Power BIG3XS 100% OFC 1/0 Gauge Big 3 Upgrade Kit

1/0 AWG Big 3 Upgrade Kit with 100% OFC Wire for Audio Sytems up to 350 Amps

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240 Amp S Series Alternator for Select 1992-2003 Dodge/Jeep Vehicles

240 Amp cutting edge 6 phase hairpin epoxy reinforced stator technology

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240 Amp L Series Alternator for Select 1963-1985 GM Vehicles

Specifically designed to fit in tight spaces

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250 Amp Alternator for Select 2003-2008 Ford/Lincoln/Mercury Vehicles

Cutting edge 6 phase hairpin stator technology with Twin internal rectifier plates with finned heat sink

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240 Amp S Series Alternator for Select 1999-2006 Jeep Vehicles

6 phase alternators use less horsepower per Kilowatt than conventional 3 phase alternators

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240 Amp S Series Alternator for 2011 Toyota Corolla

Ultra precision balanced rotor with oversized charge post ensure sturdy cable connections

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240 Amp S Series Alternator for 2006-2011 Honda Civic

15% more efficient than typical alternators

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370 Amp E Series Alternator with Black Finish for Select 1994 - 2003 GM

WOW 370 AMPS! Elite series offers the highest possible amperage

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320 Amp S Series Alternator for Custom and Racing Applications

Great for a Custom Project

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XS Power XP750 Special Edition

12-Volt Deep Cycle AGM Power Cell with 750 Max Amps

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Kinetik HC600-BLU

BLU Series 600 Watt 12V High Current AGM Car Audio Power Cell

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NVX XTGSP2

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Scosche TK12

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Five Piece Installer's Panel Removal Tool Kit

Remove panels the right way (Durable Nylon Plastic Pry & Chisel Tool Set

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Universal Wire Puller

Make your installation less of a chore and save yourself the stretch

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8 Gauge Ring Terminals, 5/16" Opening

Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

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0/1 Gauge Ring Terminals, 3/8" Opening

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PRO Series Classic Short GM Battery Post Shoc-Krome

Side post battery adapter for GM type batteries (Positive or Negative)

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PRO Series Classic Long GM Battery Post w/ Shoc-Krome Plating

Side post battery adapter for GM type batteries (Positive or Negative)

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200 Amp Relay Isolator (BIR200)

Great for isolating a second batter making it dedicated to the stereo system

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120 Amp 4-Post Battery Isolator

Prevents primary battery discharge and extends battery life

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240 AMP 3-Post Battery Isolator

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World's Smallest AFS / Mini ANL Fuse Holder

Accepts 4 gauge or 8-gauge wire

Your Price $12.99

ANL/Mini-ANL Fuse Holder with 1/0 or 4 Gauge Input and Output

No-fail termination and current flow, it helps keep your system protected and running smoothly

Your Price $19.99

4 Pack of 80 Amp Nickel-Plated MANL Fuse

Mini-ANL (MANL/AFS) 80A Nickel Plated Fuses

Your Price $3.99

4 Pack of 100 Amp Nickel-Plated MANL Fuse

Mini-ANL (MANL/AFS) 100A Nickel Plated Fuses

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4 Pack of 150 Amp Nickel-Plated MANL Fuse

Mini-ANL (MANL/AFS) 150A Nickel Plated Fuses

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2 Pack of 200 Amp Nickel-Plated ANL Fuse

Two fuses per order. High quality 200 Amp ANL Fuses

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2 Pack of 300 Amp Nickel-Plated ANL Fuse

Two fuses per order. High quality 300 Amp ANL Fuses

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Gauge Reducer, 4 Gauge Input to 8 Gauge Pin

Great for amplifiers that do not accept a large gauge power wire

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Browse 2 questions and 3 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
ive had crunch before. i bought an amp in 2011 and still powers my two 12s like a champ
Johnathan F on Mar 14, 2015
I choose this because I needed a stronger amp.
Christian S on Oct 19, 2014
Are this amp really is a 750 WRMS, maybe its tested on dyno?
Donatas M on Jul 23, 2015
Best Answer: It pushes my 8" sub well, not sure how much power its putting out but it does sound good.
Reply · Report · Tommy C on Oct 20, 2015
· Add Answer · I Have This Question Too (4)

Product Summary

Manufacturer

Model Number

PZX750.2

UPC

806576223023

Weight

8.00lbs

Internal SKU

pzx7502

Internal Product ID

76940

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Crunch PZX750.2