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Infinity REF-551A Reference Monoblock Amplifier - 550W RMS

REF-551A-KL

Out of stock

Price data last checked 11 day(s) ago - will refresh soon

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Out of stock 239 days · last price £252 · longest previous gap was 34 days

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 383 days · 369 data points (no recent data)

Historical
Generating forecast…
£346.22 £242.88 £265.42 £287.97 £310.52 £333.07 £355.62 08 August 2025 11 November 2025 15 February 2026 21 May 2026 25 August 2026

Price Distribution

Price distribution over 383 days • 10 price levels

Days at Price
Current Price
244 days · current 5 days 8 days 70 days 11 days 1 day 7 days 7 days 7 days 9 days 0 61 122 183 244 £252 £322 £323 £325 £328 £332 £337 £342 £345 £346 Days at Price

Price Analysis

Most common price: £252 (244 days, 66.1%)

Price range: £252 - £346

Price levels: 10 different prices over 369 days

Description

Upgrade your vehicle's audio with the Infinity REF-551A Reference series monoblock amplifier. Designed to deliver pure power from a slim and compact chassis, this amplifier fits easily into more vehicle spaces without sacrificing performance. It provides 550W RMS and 1300W peak power to drive your system with clarity. This amplifier uses the latest topology to ensure high-quality sound reproduction. With variable electronic crossovers and bass boost control, you can achieve precise system tuning tailored to your specific needs. The unit includes both high-level and low-level inputs, making it easy to interface with almost any existing car audio setup. Built for modern driving, the REF-551A is compatible with various new vehicle technologies, including advanced driver assistance systems. It also supports Harman HALOsonic, which can simulate engine sounds to enhance the driving experience in hybrid vehicles. Whether you are looking for power or compact design, this Class D amplifier provides the reliable performance expected from the Infinity Reference series.

Key Features

Powerful Class D Design provides 550W RMS and 1300W peak power to drive your speakers with high-fidelity sound.

Slim and compact chassis allows for easy installation in a wide variety of vehicle interior spaces.

Variable electronic crossovers and bass boost control enable precise tuning for your specific audio system requirements.

Versatile connectivity includes both high-level and low-level inputs for easy integration with virtually any car audio setup.

Advanced technology compatibility includes support for many driver assistance systems and Harman HALOsonic acoustic solutions.

Efficient monoblock architecture delivers pure power through the latest amplifier topology for enhanced audio performance.

Product Specifications

Domain
Amazon UK
Listed Since
10 April 2019

Barcode

No barcode data available

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