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Alpine S2-A120M

1200W Class D RMS S-Series Monoblock Car Amplifier

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• 600 watts x 1 channel @ 4 ohm
• 1200 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

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$489.95

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Description


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Alpine S2-A120M Mono Amplifier | Features & Specs

About the Alpine S2-A120M

High-Powered Class D Amplification

The Alpine S2-A120M is built for extreme bass performance, delivering high-powered output with Class D efficiency. Whether you're looking to push a single high-performance subwoofer or drive a dual-sub setup, this amplifier provides clean, powerful sound while running cool and efficiently.

Massive Power Output

  • Peak Power: Up to 1200W RMS at
  • Stable at 1Ω to maximize subwoofer output and efficiency
  • Dedicated low-pass filter (50Hz-400Hz) for subwoofer optimization

Compact Yet Powerful Design

The small footprint of the S2-A120M allows for versatile installation, making it easy to fit under seats, in trunks, or alongside other components in a custom system. With a high-efficiency heat management system, this amp stays cool even during long bass-heavy sessions.

Advanced Audio Controls

  • Bass Boost EQ: Adjustable from 0 to +12dB at 50Hz for deep, punchy bass
  • Input Sensitivity: Variable range from 0.2V to 10V for flexible system matching
  • Subsonic Filter: Prevents unnecessary low frequencies from overworking your subs
  • Adjustable Crossover: Selectable 50Hz to 400Hz for precise tuning

Seamless System Compatibility

The Alpine S2-A120M is designed for easy integration, featuring high and low-level inputs to support factory and aftermarket stereos. Whether you're upgrading an OEM system or building a custom audio setup, this amp makes installation hassle-free.

Keep Reading...

Product Details:

  • S Series Class D 1 ohm Stable Monoblock Amplifier
  • RMS Power Rating:
    • 4 ohm: 600 watts x 1 channel
    • 2 ohm: 1200 watts x 1 channel
  • Total RMS power output: 1200 watts
  • Power and voltage LED visual indicator
  • Wired bass level remote control Alpine RUX-KNOB.2 or Alpine RUX-H01 optional
  • Speaker-level (high-level) inputs (Requires adapter like the Kicker KISL)
  • Two-sided Terminal Layout
  • Built-in Selectable / Adjustable Crossovers
  • Signal sensing remote turn-on
  • Damping Factor: >750
  • 1 pair of pre-amp outputs
  • CTA-2006-D Certification
  • Input sensitivity:
    • Low level: 0.2 - 4 volts
    • High level: 0.5 - 10 volts
  • Frequency Response: 10 - 400 Hz
  • Total Harmonic Distortion (THD): 1%
  • Signal to Noise Ratio: >85 dB
  • Variable low-pass filter: 50 - 400 Hz
  • Variable Bass Boost: 0 - 12 dB
  • Fuse Rating: 100
  • 4 AWG gauge amplifier wiring kit is recommended for installation
  • Dimensions: 13.1" L x 8.25" W x 2.25" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • MFR #: S2-A120M

Specifications & Details


Key Features
Amplifier Key Features
Bass Boost
Speaker Level Inputs
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
600 watts x 1 channel
RMS Power @ 2 ohms
1200 watts x 1 channel
RMS Power @ 1 ohm
1200 watts x 1 channel
Amplifier Specifications
Series
S Series
Amplifier Class
D
Number of Channels
1 - Mono
Total RMS Power Output
1200 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
1 ohm
Minimum Impedance Bridged
Not Bridgeable
Frequency Response
10 - 400 Hz
THD at Rated RMS Power
1%
Speaker Level Inputs
Optional (Requires Accessory Adapter)
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Low-Pass Crossover Frequency
50 - 400 Hz
Signal-to-Noise Ratio
>85 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fuse Rating
25A x 4 
Total Fuse Rating
100
Strappable
No
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
0.2 - 4 volts
High-Level Input Sensitivity
0.5 - 10 volts
What is in the box?
Paperwork
User manual
Warranty/Registration card
Power certification
WITB: Amplifiers
Amplifier
Mounting screws (4)
Allen wrench
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

S2-A120M

Weight:

5.00lbs

Internal SKU:

s2a120m

Internal Product ID:

199897

Customer Ratings & Reviews



5 star
0%
4 star
100%
3 star
0%
2 star
0%
1 star
0%



Durability
4
Value
4
Features
4
Design
4
Usability
4

Customer Reviews

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Great product

I got it on sale. That was a plus. Alpine always makes great products and i cannot complain about this 1200 watt amp. I have 2 type R’s 12” subs with this amp and alpine single din and type R 6x9 and all sounds amazing recommend to anyone!

By Ignacio on April 13, 2024 Checkmark Icon Verified purchase

15

found this helpful.


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