Infinity
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Infinity REF-4555A Reference 5-Channel, 45w X 4, 500w X1 Amplifier
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Infinity REF-4555A Reference 5-Channel, 45w X 4, 500w X1 Amplifier
New Infinity Reference amplifiers deliver pure power from a slim, compact chassis that’s designed to fit in more vehicles.
Infinity REF-4555A Reference 5-Channel, 45w X 4, 500w X1 Amplifier

Infinity REF-4555A Reference 5-Channel, 45w X 4, 500w X1 Amplifier

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New Infinity Reference amplifiers deliver pure power from a slim, compact chassis that’s designed to fit in more vehicles.
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What Stands Out

5-Channel Power
Delivers optimal 45 watts to four channels with a powerful 500 watts for the subwoofer, enhancing the listening experience by driving multiple speaker setups effortlessly.
Compact Design
Designed for space efficiency in vehicles while providing high output; this amplifier fits comfortably in limited spaces without compromising sound quality or performance.
Enhanced Performance
Utilizes advanced circuitry for superior sound clarity and bass response, making it ideal for audiophiles seeking an immersive audio experience with minimal distortion.

Product Details

Shop the Infinity REF4555A 760-watt 5-channel Amplifier at Ubuy Italy. Compact and powerful, it fits in any vehicle. Variable crossovers and bass boost allow precise system tuning. High- and low-level inputs compatible with any car stereo. Get the best sound experience now!
Item Weight4 lbs (1.81 kg)

Who Should Buy?

Suitable For
  • Audio Enthusiasts

    Ideal for users seeking high-quality sound and strong performance in multi-channel setups for enriching audio experiences.

  • Home Theater Systems

    Perfect for home theater enthusiasts wanting to enhance their audio with powerful amplification and rich sound quality.

  • Car Audiophiles

    Great for car audio fans desiring powerful amplification of multiple speakers and a subwoofer for a premium sound system.

Not Suitable For
  • Budget-Conscious Shoppers

    May not be suitable for users looking to stay within a tight budget, as it typically requires a higher investment.

  • Occasional Listeners

    Not ideal for casual users who do not need high-performance audio components or complex multi-channel setups.

  • Compact Vehicles

    May be unsuitable for small cars with limited space, as the amplifier can require substantial installation area.

Product Description

Infinity REF-4555A Reference 5-Channel, 45w X 4, 500w X1 Amplifier

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the main features of the Infinity REF-4555A amplifier?

    Answer: The Infinity REF-4555A is designed with a 5-channel configuration, delivering 45 watts per channel for your front and rear speakers, while providing a robust 500 watts for a subwoofer. This amplifier supports a wide frequency response, ensuring clear highs and powerful lows. Additionally, its compact design allows for versatile installation options in various vehicle types. You can enjoy a rich sound experience, whether you're listening to music or enjoying a movie.
  • Question: How does the Infinity REF-4555A compare to other amplifiers in the same range?

    Answer: Compared to similar models, the Infinity REF-4555A stands out due to its combination of power and efficiency. Its high-quality components ensure a clean and dynamic sound output that is above average for its class. Many users appreciate its ability to drive subwoofers without distortion, providing a fuller audio experience. This makes it ideal for both casual listeners and audio enthusiasts seeking to enhance their sound systems.
  • Question: What is the ideal installation setup for the Infinity REF-4555A?

    Answer: For optimal performance, the Infinity REF-4555A can be installed in various setups. It works well in vehicles where you want to power both full-range speakers and a subwoofer simultaneously. A common setup includes connecting the four channels to your car's full-range speakers for clear mids and highs, while using the fifth channel exclusively for the subwoofer to achieve deep, resonant bass. Ensure proper wiring and speaker matching to maximize the amplifier’s capabilities.
  • Question: Is the Infinity REF-4555A compatible with aftermarket head units?

    Answer: Yes, the Infinity REF-4555A is compatible with most aftermarket head units. Its flexible inputs allow for connection to a wide range of audio sources, whether it's an aftermarket stereo or OEM unit. Users often report that performance improves significantly when paired with high-quality head units, making it a great choice for upgrading system sound. Ensure you check compatibility with your specific head unit for a seamless integration.
  • Question: What type of speakers work best with the Infinity REF-4555A?

    Answer: The Infinity REF-4555A pairs well with high-efficiency speakers that can handle the output capabilities of the amplifier. Look for components or coaxial speakers rated close to 45 watts RMS for channel use. Many users find that Infinity's own speakers offer an excellent match, enhancing system coherence and achieving an immersive sound experience. For audiophiles, combining it with a quality subwoofer can further elevate the audio performance.
  • Question: Can I use the Infinity REF-4555A for home audio systems?

    Answer: Although the Infinity REF-4555A is primarily designed for automotive use, it can be adapted for home audio systems with the right connections and configuration. Users have successfully integrated it into home setups with passive speakers and subwoofers using compatible input sources. This versatility opens up creative possibilities for enhancing home audio, especially for those looking to achieve a powerful soundstage.
  • Question: What is the ideal power handling for the subwoofer used with this amplifier?

    Answer: For the Infinity REF-4555A, it's recommended to pair it with a subwoofer that can handle a minimum of 500 watts RMS. This ensures that you get the full benefit of the amplifier's output capabilities without risk of overdriving your subwoofer. Users often find that this setup allows for deep, impactful bass without sacrificing clarity across the speaker range, supporting a balanced overall sound in various music styles.
  • Question: Does the Infinity REF-4555A come with installation instructions?

    Answer: Yes, the Infinity REF-4555A typically includes a set of user-friendly installation instructions in the packaging. These guide you through the basic installation steps, wiring diagrams, and safety tips to ensure a successful setup. Many users benefit from these guidelines, especially first-time installers, as they can significantly reduce the setup time and ensure optimal amplifier performance once connected.
  • Question: What type of inputs does the Infinity REF-4555A support?

    Answer: The Infinity REF-4555A supports various input types, including high-level inputs, low-level RCA inputs, and speaker-level connections. This versatility allows it to be integrated with both factory head units and aftermarket stereos. This makes it a popular choice among users looking to upgrade their audio systems without needing extensive modifications. Additionally, the flexibility in input options simplifies the installation process.
  • Question: Where can I buy the Infinity REF-4555A Reference 5-Channel Amplifier?

    Answer: You can buy the Infinity REF-4555A Reference 5-Channel Amplifier from Ubuy in Italy. Ubuy offers a reliable platform for purchasing electronics and audio equipment, ensuring quality service and support. When shopping at Ubuy, you can also explore additional related products to enhance your audio experience.

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Features & Benefits

  • Pure power from a slim, compact chassis
  • Designed to fit in more vehicles
  • Latest amplifier topology
  • Variable electronic crossovers
  • High- and low-level inputs for easy interface
  • Compatible with advanced driver assistance systems.

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