Alpine

Alpine S2-A55V 5-Channel Amplifier

Alpine S2-A55V 5-Channel Amplifier

Regular price $499.95 USD
Regular price Sale price $499.95 USD
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The Alpine S2-A55V combines a Hi-Res Audio certified Class D amplifier circuit with a 5-channel design to power up to four speakers and an additional subwoofer in one chassis. It delivers crisp, clear audio across a 20Hz–40kHz frequency response.

Side-panel sound controls offer easy access in under-seat or shallow-depth installations, while removable end caps maintain a clean finish. A selectable remote turn-on circuit ensures reliable operation with factory and aftermarket systems, and the two-sided terminal layout simplifies wiring.

Key Features

Dimensions 30.2 cm W x 5.7 cm H x 21 cm D
Weight 3.2 kg
Power Rating 14.4V, < 0.1% THD +N
Power Output 40W x 4 + 200W x 1 @ 4Ω, 60W x 4 + 300W x 1 @ 2Ω
Bridged Power 120W RMS x 2 @ 4Ω
S/N Ratio >83dB
Frequency Response 20Hz – 40kHz
Damping Factor >100
Brand Alpine
Product Type 5-Channel Amplifier
Amplifier Class Class D
Hi-Res Audio Certified (up to 40kHz)
Number of Channels 5
Crossover Built-in selectable/adjustable crossovers
Remote Bass Knob Compatibility Optional RUX-KNOB.2 or RUX-H01 (sold separately)
Turn-On Circuit Selectable remote turn-on with three-position switch
Terminal Layout Two-sided

Highlights

  • Hi-Res Audio Certified (Up to 40kHz)
  • 5-Channel Amplifier
  • Alpine’s Class D Amplifier Circuit
  • Two-sided terminal layout
  • Built-in Selectable/ Adjustable Crossovers
  • Optional Remote Bass Knob Compatible (requires RUX-KNOB.2 or RUX-H01, sold separately)

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Compatibility

Designed for car audio systems and compatible with factory or aftermarket head units through the selectable remote turn-on circuit. Optional remote bass knob requires the RUX-KNOB.2 or RUX-H01, sold separately.

What's included

  • (x1) S2-A55V 5-Channel Amplifier
  • (x2) Connection end covers with 4 attachment screws
  • Owner’s Manual
  • Birth Sheet certifying the measured power output of the amplifier
  • (x4) Self-tapping screws
  • (x1) Hexagon wrench

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Frequently asked questions

How many channels does the Alpine S2-A55V have?

It is a 5-channel amplifier that can power up to four speakers plus an additional subwoofer in a single chassis.

Is this amplifier Hi-Res Audio certified?

Yes, it is Hi-Res Audio Certified and reproduces frequency response up to 40kHz.

What are the dimensions and weight?

It measures 30.2 cm W x 5.7 cm H x 21 cm D and weighs 3.2 kg.

Can I add a remote bass control?

Yes, it is compatible with the optional RUX-KNOB.2 or RUX-H01 remote bass knob, sold separately.

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