Infinity Reference 4555A | Reference Series 5-Channel Amplifier

Infinity Reference 4555A (REF-4555A)

1800W Peak (760W RMS) Reference Series 5-Channel Amplifier

1800W Peak (760W RMS) Reference Series 5-Channel Amplifier

• 45 Watts RMS x 4 + 320 Watts x 1 @ 4 ohms
• 65 Watts RMS x 2 + 500 Watts x 1 @ 2 ohms
• Total Peak Power: 1800 Watts
• Variable Bass Boost: 0 to +9 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Frequency Response: 32 - 320 Hz

We apologize

This item has been discontinued

DESCRIPTION
Infinity

Authorized dealer

General Features:

  • Infinity Reference Series REF-4555A 5-Channel Amplifier
  • RMS Power Rating:
    • 4 ohms: 45 watts x 4 chan. + 320 watts x 1 chan.
    • 2 ohms: 65 watts x 4 chan. + 500 watts x 1 chan.
    • 1 ohm: ------------N/A------------
    • Bridged, 4 ohms: 130 watts x 2 chan. + 500 x 1 chan.
  • Total power output: 1800 watts
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • 5/4/3/2 or Mono channel operation
  • High and Low level speaker inputs
  • 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 for extreme heat dissipation
  • Slim and compact chassis provides more installation options
  • HALOsonic mixing input
  • Frequency Response: 32 - 320 Hz
  • Signal to Noise Ration: >80 dB
  • Total Harmonic Distortion (THD): <1.0%
  • Phase: 0 - 180°
  • Variable Bass Boost: 0 to +9 dB
  • Fuse Rating: 35 A x 3
  • 4 - 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: 15-11/16"W x 7-5/16"D x 2-1/4"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

What's Included

  • 1 REF-4555A 5-Channel Amplifier
  • 4 High-level input wiring harnesses
  • 2 spare fuses
  • 2 2-color brand stickers
  • Quick start guide


PROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov

Product history:

Infinity REF-4555AAM thumbnail
(newest, current model)
Infinity REF-4555A thumbnail
(previous model, replaced by Infinity Reference 4555A (REF-4555A))
Infinity 5350A thumbnail
(previous model, replaced by Infinity Reference 4555A)
FEATURES & SPECS
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
45 watts x 4 channels
RMS Power @ 2 ohms
65 watts x 4 channels
Bridged RMS Power
130 watts x 2 channels
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
320 watts x 1 channels
RMS Power @ 2 ohms
500 watts x 1 channels
Amplifier Specifications
Amplifier Series
Reference (Infinity)
Marine Certified
No
Amplifier Class
D
Number of Channels
5
Total Peak Power Output
1800 watts
Total RMS Power Output
760 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohms
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
<1%
Speaker Level Inputs
Yes - with included adapter
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
32 - 320 Hz
Low-Pass Crossover Frequency
32 - 320 Hz
Signal-to-Noise Ratio
>80 dB
Bass Boost
0 - 9 dB
Bass/Gain Remote
No
Fan Cooled
No
Fuse Rating
35A x 3 
Total Fuse Rating
105
Strappable
No
CEA-2006 Compliant
No
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Authorized Dealer
Authorized Dealer
Authorized Dealer
What is in the box?
WITB: Amplifiers
Amplifier
Mounting screws (4)
High-level input wiring harness w/ molex connectors (2)
Paperwork
Quick start guide
Specials with this Item
Deals
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer
REVIEWS
Infinity Reference 4555A (REF-4555A)

Infinity Reference 4555A (REF-4555A)


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ITEM DETAILS

Manufacturer:

Model Number:

REF-4555AAM

Weight:

10.36lbs

Internal SKU:

ref4555aam

Internal Product ID:

175293

Item Added to Cart

1800W Peak (760W RMS) Reference Series 5-Channel Amplifier

$299.95

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