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Power Acoustik CB4-1800

1800W Peak (450W RMS) Caliber Class-A/B 2-Ohm Stable 4-Channel Amplifier

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• 180 Watts RMS x 4 @ 4 ohm
• 225 Watts RMS x 4 @ 2 ohm
• 450 Watts RMS x 2 @ 4 ohm bridged
• Total Peak Power: 1800 Watts
• Built-In High and Low Pass Filters
• 0, +6, +12 dB Bass Boost Switch
• Heavy-Duty Aluminum Heatsink
• Dimensions: 9.5" W x 15.25" L x 2" H

Learn more about the cb41800

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

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Description


Power Acoustik brand icon

Authorized dealer

General Features:

  • Power Acoustik Caliber CB4-1800
  • Class-A/B Full Range 2-Ohm Stable 4-Channel Amplifier
  • RMS Power Rating:
    • 4 ohm: 180 watts x 4 chan.
    • 2 ohm: 225 watts x 4 chan.
    • Bridged, 4 ohm: 450 watts x 2 chan.
  • Total power output: 1800 watts
  • Pulse Width Modulated MOSFET power supply
  • Wired remote bass level control included
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • 4/3/2 channel operation
  • Speaker-level (high-level) inputs
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Dual speaker terminals simplify the hookup of multiple speakers
  • Heavy duty aluminum alloy heat-sink
  • Input sensitivity:
    • Low level: 200mV-6V
  • Frequency Response: 15 - 20,000 Hz
  • Total Harmonic Distortion (THD): .05%
  • Signal to Noise Ratio: 105 dB
  • Variable high-pass filter: 120 - 3,000 Hz, 12 dB/octave
  • Variable low-pass filter: 50 - 1,200 Hz, 12 dB/octave
  • Variable Bass Boost: 0, +6 +12 dB bass boost switch at 50 Hz
  • Fuse Rating: 35A x 2
  • 4 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: 9.5"W x 15.25"L x 2"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
Check out the CB4-1800 product manual

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
180 watts x 4 channel
RMS Power @ 2 ohms
225 watts x 4 channel
Bridged RMS Power
450 watts x 2 channel
Power Specifications - Full Range Channels
Bridged Peak/Max Power
900 watts x 2 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
1800 watts
Total RMS Power Output
900 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
.05%
Speaker Level Inputs
Yes
Preamp Outputs
2 pairs
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
120 - 3,000 Hz
Low-Pass Crossover Frequency
50 - 1,200 Hz
Signal-to-Noise Ratio
105 dB
Bass Boost
0, 6, 12 dB Switch
Fuse Rating
35A x 2 
Total Fuse Rating
70
Strappable
No
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
What is in the box?
Paperwork
User manual
WITB: Amplifiers
Amplifier
Wired gain knob (wire attached)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

CB4-1800

Weight:

6.00lbs

Internal SKU:

cb41800

Internal Product ID:

127579

Customer Ratings & Reviews


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

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