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Crunch PZ900.4

900W PowerZone Series 4-Channel Car Audio Amplifier

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• 900 Watts Max
• 225 Watts x 4-Chan. @ 2 Ohm
• 4-Way System Protection
• Selectable Highpass/Lowpass Filters

Learn more about the pz9004

We apologize

This item has been discontinued


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Product Highlights


• 900 Watts Max
• 225 Watts x 4-Chan. @ 2 Ohm
• 4-Way System Protection
• Selectable Highpass/Lowpass Filters

Description


Crunch brand icon

Authorized dealer

  • PowerZone Series 4-Channel Class A/B Car Amplifier
  • Max Power Rating:
    • 4 ohm: 115 watts x 4 chan.
    • 2 ohm: 225 watts x 4 chan.
    • Bridged, 4 ohm: 450 watts x 2 chan.
  • Rugged Pulse Width Modulated MOSFET power supply for Instant Maxx Power Output
  • Carbon Fiber effect body with chrome Crunch logo
  • Exponential variable-power supply (EXVP) for efficient DC to AC conversion
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +9 dB bass boost at 45 Hz)
  • Speaker level inputs for
  • Soft Start Turn-on
  • 4/3/2/1 channel operation
  • Speaker-level (high-level) inputs with signal sensing for automatic turn-on
  • Illuminated badge and heatsink
  • Preamp RCA outputs to daisy chain multiple amps
  • 4-Way System Protection circuitry (DC, thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Silver-plated RCA level inputs
  • Silver-plated screw terminals
  • Input sensitivity:
    • Level: 200mV-5V
  • Variable high-pass filter (60-12,000 Hz)
  • Variable low-pass filter (30-250 Hz)
  • Damping factor: >180
  • Dimensions: 11"L x 9-1/2"W x 2-1/8"H
  • 8-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.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Product history:

Crunch PZ900.4 thumbnail
(newest, current model)
Crunch PZA900.4 thumbnail
(previous model, replaced by Crunch PZ900.4)
Crunch PZT900.4 thumbnail
(previous model, replaced by Crunch PZA900.4)
Crunch P900.4 thumbnail
(previous model, replaced by Crunch PZT900.4)
Crunch PZi-125.4 thumbnail
(previous model, replaced by Crunch P900.4)

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Specifications & Details


Amplifier Specifications
Series
PowerZone Series
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
900 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
0.05%
Speaker Level Inputs
Yes
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
60 - 1200 Hz
Low-Pass Crossover Frequency
30 - 250 Hz
Signal-to-Noise Ratio
90 dB
Channel Separation
80 dB
Bass Boost
0 - 9 dB
Remote bass/level controller
No
Fuse Rating
20A x 2 
Strappable
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

PZ900.4

Weight:

8.15lbs

Internal SKU:

pz9004

Internal Product ID:

67948

Product and How-to Videos


  • Crunch PowerZone Amplifier | CES 2013
  • Crunch V-Drive Ground Pounder Car Amplifier | Maxxsonics @ CES 2013
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


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

  • You see only parts engineered for your exact vehicle
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  • 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.