Infinity Alpha 603

480 W, 16 cm
Delivered between Wed, 29.4. and Wed, 6.5.
1 item ordered
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Product details

The Infinity Alpha 603 is a high-quality 2-way coaxial car speaker system specifically designed for audio performance in vehicles. With a diameter of 16 cm (6.5 inches), this speaker delivers balanced sound reproduction across a wide frequency range of 55 Hz to 20 kHz. The combination of a powerful 16 cm woofer and a precisely tuned tweeter creates a coherent soundstage that clearly reproduces both mids and highs. With a peak power of 480 watts and a nominal power of 60 watts, the Alpha 603 is capable of delivering impressive sound quality even at higher volumes. Its robust construction and the use of durable materials ensure long-term reliability, while the easy installation with the included mounting hardware allows for straightforward integration into many vehicle models.

  • 2-way coaxial design for improved sound quality
  • High peak power of 480 watts for powerful audio output
  • Wide frequency range of 55 Hz to 20 kHz for comprehensive sound reproduction
  • Easy installation with included mounting hardware
  • Durable materials for reliable use in vehicles.

Key specifications

speaker type
Standard
Speaker principle
2-way
Nominal power
60 W
Impedance
4 Ω

General information

Item number
60840552
Manufacturer
Infinity
Category
Car hi-fi speakers
Manufacturer no.
1200130019852
Release date
6.8.2025
External links

Speaker properties

speaker type
Standard
Speaker principle
2-way
Woofer diameter
16 cm
Nominal power
60 W
Maximum load
480 W
Power
60 W
Max. noise level
90 dB
Impedance
4 Ω
Nominal impedance
4 Ohm

Voluntary climate contribution

CO₂ emissions
17.48 kg
Climate contribution
CHF 0.42

Product dimensions

Diameter
160 mm

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Car hi-fi speakers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Infinity
    Not enough data
  • 1.Alpine
    0 %
  • 1.Blaupunkt
    0 %
  • 3.Pioneer
    0.2 %
  • 4.JVC
    0.4 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Infinity
    Not enough data
  • Alpine
    Not enough data
  • Blaupunkt
    Not enough data
  • Focal
    Not enough data
  • JVC
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Car hi-fi speakers» category returned?

Source: Digitec Galaxus
  • Infinity
    Not enough data
  • 1.JVC
    3.6 %
  • 2.Alpine
    4.9 %
  • 3.Focal
    5.2 %
  • 4.Pioneer
    7.3 %
Source: Digitec Galaxus