Alpine S2-A55V: 5-Channel S-Series Next-Generation Amplifier
- In stock, ready to ship
- Backordered, shipping soon

Entry level sound just got elevated through the S2-A55V 5-Channel Amplifier. Its sleek redesign houses an Alpine class-D Amplifier circuit and is now certified for high resolution audio playback.
The Next-Generation Alpine S-Series S2-A55V 5-Channel Amplifier is high resolution audio certified and able to reproduce up to 40 kHz frequency response. This ultra wide bandwidth coupled through the elevated S-Series design brings out a new benchmark for entry level performance and price.
The Next-Generation S-Series Amplifiers now feature a new selectable remote turn on circuit, a 3 positions switch that ensures the Amplifier turns on and off at the proper times. This design is crucial through newer, in vehicle technology and allows for proper integration through any factory or aftermarket system.
The Amplifier was intentionally designed through sound controls located on the side panels, instead of the top panel, making it easier to access gain and crossover controls when installed under vehicle seats or in shallow depth locations. Removable end caps were added to cover the side controls and connections, providing a clean, sleek finish to the Amplifier.
Through its versatile 5-Channel design, the S2-A55V Amplifier is the perfect solution to power your sound system all in a single chassis. This Amplifier delivers crisp and clear audio to up to 4 speakers plus an additional subwoofer to give your system a complete audio upgrade.
Features:
- High resolution audio certified (up to 40 kHz)
- 5-Channel Amplifier
- Alpine's Class-D Amplifier circuit
- 2 sided terminal layout
- Built in select / adjustable crossovers
- Optional remote bass knob compatible (required RUX-KNOB.2 / H01, sold separately)
- Dimensions: 11.9" W x 2.3" H x 8.3" D
- Weight: 7 lbs
- Power rating: 14.4 V, < 0.1 % THD + N
- Power output: 40 W x 4 + 200 W x 1 @ 4 Ω, 60 W x 4 + 300 W x 1 @ 2 Ω
- Bridged power: 120 W RMS x 2 @ 4 Ω
- S / N ratio: >83 dB
- Frequency response: 20 hz - 40 kHz
- Damping factor: > 100
- CTA-2006-D certification
- 2 connection end covers and 4 attachment and self tapping screws
- Owner's manual
- "Birth sheet" that certifies by measurement the actual power of the Amplifier in the box
- 1 hexagon wrench
- Alpine registration card and limited warranty sheet
- Tips sheet for power supply wire connections
Orders are typically processed and Shipped within 1 - 2 business days. Delivery usually takes 7 - 15 business days via Canada post, FedEx, or UPS.