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Focal IMPULSE4.320

Plug & Play Line Compact 4-Channel Digital Amplifier

Focal
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• 55 Watts RMS x 4 @ 4 ohm
• 80 Watts RMS x 4 @ 2 ohm
• Ultra-compact – Easy to install
• CEA-2006 Compliant/Preamp Outputs/LPF
• Compatible with all head units (OEM and after-market)
• Automatic start-up with your original head unit
• Dimensions: 6-15/16"W x 1-7/8"H x 2-5/8"D

Learn more about the impulse4320

We apologize

This item has been discontinued


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Description


Focal brand icon

Authorized dealer

General Features:

  • Focal Impulse IMPULSE4.320
  • Class D 4-Ohm Stable 4-Channel Amplifier
  • RMS Power Rating:
    • 4 ohm: 55 watts x 4 chan.
    • 2 ohm: 80 watts x 4 chan.
    • Bridged, 4 ohm: 160 watts x 2 chan.
  • CEA-2006 Compliant Amplifier
  • Ultra-compact – Easy to install
  • Compatible with all head units (OEM and after-market)
  • 4/3/2 channel operation
  • Automatic start-up with your original head unit
  • ISO compatible via cable accessories sold separately
  • Front channels: switchable high-pass filter (75 Hz)
  • Total Harmonic Distortion (THD): <0.05%
  • Rear channels; adjustable high- or low-pass filter (40-200 Hz)
  • Adjustable phase control (0-180°)
  • Fuse Rating: 25A
  • 10 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: 6-15/16"W x 2-5/8"D x 1-7/8"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
Check out the Focal IMPULSE4.320 Owner's Manual

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
55 watts x 4 channel
RMS Power @ 2 ohms
80 watts x 4 channel
Bridged RMS Power
160 watts x 2 channel
Power Specifications - Full Range Channels
Peak Power @ 4 ohms
110 watts x 4 channel
Peak Power @ 2 ohms
160 watts x 4 channel
Bridged Peak/Max Power
320 watts x 2 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
4-Channel
Total Peak Power Output
320 watts
Total RMS Power Output
160 watts
Minimum Impedance Unbridged
4 ohm
THD at Rated RMS Power
.02%
Speaker Level Inputs
No
Preamp Outputs
No
High-Pass Crossover Frequency
40 - 200 Hz
Low-Pass Crossover Frequency
40 - 200 Hz
Remote bass/level controller
No
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
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

IMPULSE 4.320

Weight:

1.20lbs

Internal SKU:

impulse4320

Internal Product ID:

172137

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.