Infinity Amplifier REFERENCE 4555A


Series of high-performance mono, 4-, and 5-channel amplifiers

  • Max Power 1800W Peak
  • Signal-to-Noise Ratio ≥85dB (ref 1W output @ 4Ω)
SKU: REF-4555A Category:



Compact footprint

Infinity Reference amplifiers are designed with a compact chassis and small footprint to ease installation, even if available space is limited.

High- and low-level inputs

Speaker-level and low-level inputs allow Reference amps to work with just about any car stereo, aftermarket or factory.

Variable crossovers and bass boost

Unlike many amplifiers available at similar prices, Reference amps feature variable electronic crossovers and bass boost circuit to allow for fine-tuning.

ADAS input with channel assignment

In vehicles with ADAS warning systems, you can assign a channel to broadcast system alert messages.

HALO sonic mixing input

Reference amps can also work with the HALO sonic systems of select vehicles, which helps reduce external noise for a better sonic experience.


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