£78.23

Infinity Alpha 603C 165mm 2-Way Speaker System, Plus One Cone, Edge-Driven Silk Dome Tweeter, 90W RMS, with Grid, High Fidelity Sound for Premium Upgrade.

Name: Infinity Alpha 603C 165mm 2-Way Speaker System, Plus One Cone, Edge-Driven Silk Dome Tweeter, 90W RMS, with Grid, High Fidelity Sound for Premium Upgrade.
Brand: Infinity
Price: 78.23 GBP
Availability: InStock

Black, INFSPKAL603C

Built-In Speakers

It has never been this cheap. We have no record of a lower price.

£78 today · cheaper than every other day in the last 3 months

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Price History & Forecast

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Last 61 days · 61 data points (no recent data)

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Price Distribution

Price distribution over 61 days • 1 price levels

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Price Analysis

Most common price: £78 (61 days, 100.0%)

Price range: £78 - £78

Price levels: 1 different prices over 61 days

Key Features

Plus One Cone Architecture: Patented Plus One cones provide a superior membrane surface than other speakers of the same size. This design increases sensitivity and produces richer low frequencies with an assertive musical character.

Edge-driven Silk Dome Tweeters: Equipped with silk dome tweeters with an "Edge-driven" design for a wider and smoother frequency response. This technology ensures crystal clear high-frequency sound without any hardness, regardless of volume.

High Fidelity Audio Performance: This 165mm (6-1/2") speaker system delivers robust 90W RMS power and can reach 720W peak. Its frequency response ranges from 60 Hz to 20 kHz with a sensitivity of 90 dB.

Stylish Infinity ID Design: Introduces a new, more elegant industrial design, designed specifically for sound enthusiasts wishing to enhance the style and acoustics of their original system.

Complete System Content: The kit includes 2 speakers, 2 protective grilles, 2 19 mm (0.75") tweeters, 2 filter housings (crossover), threaded flush mount adapters, screws and fixing clips.

Product Specifications

Brand: Infinity
Model: INFSPKAL603C
Colour: Black
Size: 6.5"|(165mm)
Pack Size: 2 items
ASIN: B0GF26K3L5
Category: Electronics & Photo > Car & Vehicle Electronics > Car Electronics > Audio > Speakers > Built-In Speakers
Domain: Amazon UK
Release Date: 05 May 2025
Listed Since: 23 February 2026

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Infinity Alpha 603C 165mm 2-Way Speaker System, Plus One Cone, Edge-Driven Silk Dome Tweeter, 90W RMS, with Grid, High Fidelity Sound for Premium Upgrade.

It has never been this cheap. We have no record of a lower price.

Price History & Forecast

Price Distribution

Price Analysis

Key Features

Product Specifications

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