Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.
Our team will be on holiday from Dec 22nd to Jan 15th. Please be assured that your order will be dispatched, and any inquiries will be promptly addressed upon our return. We appreciate your understanding and patience during this period.

Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.

Our team will be on holiday from Dec 22nd to Jan 15th. Please be assured that your order will be dispatched, and any inquiries will be promptly addressed upon our return. We appreciate your understanding and patience during this period.

Currently Browsing

Infinity REF-4555A Reference 1800W 5 Channel Amplifier Subwoofer

UPC: 050667370923 SKU: REF-4555A
Infinity REF-4555A Reference 1800W 5 Channel Amplifier SubwooferInfinity REF-4555A Reference 1800W 5 Channel Amplifier SubwooferInfinity REF-4555A Reference 1800W 5 Channel Amplifier Subwoofer
$599
$599$459.85
Shipping Calculator
  • Standard to Metro (4-10 biz days)
  • Express to Metro (1-4 biz days)
  • Standard to Non-metro (10-20 biz days)
  • Express to Non-metro (2-6 biz days)
  • Pickup (Same or next biz day)
  • Longer ETA applies to NT, WA, NZ & US locations.
  • The above time frames are estimates only. The actual delivery time is dependent on the shipping location, shipper's processing capacity and other unforeseeable factors i.e. natural disasters, accidents etc. We cannot be held responsible for any courier-related delivery delays.
This product is discontinued
  • Availability:Out of Stock
  • Model: Infinity REF-4555A
 Sold Out 
Pickup at our Deer Park VIC warehouse. Schedule Pickup »
schedule pickup warehouse

High-Performance Mono 4 & 5-Channel Car Amplifier

  • High & low-level inputs
  • ADAS Input with Channel assignment
  • Compact footprint
  • Variable crossovers & bass boost
  • HALOsonic mixing input
  • Class-D amp technology
  • Phase switch on subwoofer channel

* DISCLAIMER: Design, features and specifications subject to change without notice. Some features in videos on the Internet may not be available on all models, please contact us for the TECHNICAL SPECIFICATIONS for a complete list of features by model. This feature list is for reference only, please contact us to verify features and functionality.

Cart