Infinity - REF-4555A Reference 5-Channel, 45w X 4, 500w X1 amplifier - Black/Gray

New Infinity Reference amplifiers deliver pure power from a slim, compact chassis that’s designed to fit in more vehicles. Reference amps incorporate our latest amplifier topology, include variable electronic crossovers and bass boost control for precise system tuning, and feature high- and low-level inputs for easy interface with virtually any system. They’re also compatible with several new vehicle technologies, including many advanced driver assistance systems, and Harman HALOsonic, a suite of acoustic solutions that can simulate engine sounds for a better driving experience in hybrids and electric cars, cancel road noise for better-sounding music, and more. In The Box: 1 amplifier High-level input wiring harness 2 spare fuses 2 2-color brand stickers Quick start guide Max Power - 1800W Peak Signal-to-Noise Ratio - ≥85dB (ref 1W output @ 4Ω) System Specifications Power Output, 2Ω - 65Wrms x 4, <1.0% THD+N Power Output, 4Ω - 45Wrms x 4, <1.0% THD+N Power Output, 4Ω Bridged - 130Wrms x 2, <1.0% THD+N Subwoofer Specifications Power Output, 2Ω - 500Wrms x 1, <1.0% THD+N Power Output, 4Ω - 320Wrms x 1, <1.0% THD+N Signal-to-Noise Ratio - ≥80dB (ref 1W output @ 2Ω) Infinity Reference amplifiers are designed with a compact chassis and small footprint to ease installation, even if available space is limited. Speaker-level and low-level inputs allow Reference amps to work with just about any car stereo, aftermarket or factory. Unlike many amplifiers available at similar prices, Reference amps feature variable electronic crossovers and bass boost circuit to allow for fine-tuning.In vehicles with ADAS warning systems, you can assign a channel to broadcast system alert messages. Reference amps can also work with the HALOsonic systems of select vehicles, which helps reduce external noise for a better sonic experience.

• Key Feature: New Infinity Reference amplifiers provide 1800W peak power in a slim, compact design, ensuring easy installation in a variety of vehicles.
• Key Feature: These amplifiers feature variable electronic crossovers and bass boost controls, allowing for precise tuning of your audio system.
• Key Feature: High- and low-level inputs make it simple to connect with almost any car stereo, whether it's factory-installed or aftermarket.
• Key Feature: Compatible with advanced driver assistance systems and Harman HALOsonic technology, these amps enhance your driving experience by reducing noise and simulating engine sounds.
• Key Feature: Included in the box are essential accessories such as a high-level input wiring harness, spare fuses, and a quick start guide for hassle-free setup.
• Key Feature: New Infinity Reference amplifiers provide 1800W peak power in a slim, compact design, ensuring easy installation in a variety of vehicles.
• Key Feature: These amplifiers feature variable electronic crossovers and bass boost controls, allowing for precise tuning of your audio system.
• Key Feature: High- and low-level inputs make it simple to connect with almost any car stereo, whether it's factory-installed or aftermarket.
• Key Feature: Compatible with advanced driver assistance systems and Harman HALOsonic technology, these amps enhance your driving experience by reducing noise and simulating engine sounds.
• Key Feature: Included in the box are essential accessories such as a high-level input wiring harness, spare fuses, and a quick start guide for hassle-free setup.
• Key Feature: New Infinity Reference amplifiers provide 1800W peak power in a slim, compact design, ensuring easy installation in a variety of vehicles.
• Key Feature: These amplifiers feature variable electronic crossovers and bass boost controls, allowing for precise tuning of your audio system.
• Key Feature: High- and low-level inputs make it simple to connect with almost any car stereo, whether it's factory-installed or aftermarket.
• Key Feature: Compatible with advanced driver assistance systems and Harman HALOsonic technology, these amps enhance your driving experience by reducing noise and simulating engine sounds.
• Key Feature: Included in the box are essential accessories such as a high-level input wiring harness, spare fuses, and a quick start guide for hassle-free setup.