Dimensions

Heatsink (WxHxD) mm: 352 x 57 x 210

Installation

Connection Type: All ports on one side

Small footprint for easy installation

Screw terminals (for speakers and power cables)

General

Class D (Digital) Amplifier

Channels: 1-Channel Mono

Side Settings

Temperature Management Circuit

Overhead LED power and status indicator

Speaker Inputs

3 different remote settings (DC HI, Remote HI, Remote LO)

Subwoofer Input Selector Switch

Crossover: Variable low-pass filter (LPF)

Adjustable Input Sensitivity

Bass EQ

Bass Remote: RUX-KNOB2 Ready (sold separately)

The new S-Series amplifiers

The entry-level sound is even more impressive with the S2-A120M Mono Amplifier. Its sleek design features an Alpine Class D amplifier circuitry with a tremendous 1200 watts of bass output.

Amazing Performance

The Alpine S-Series S2-A120M 1200 Watt Mono Amplifier is the perfect solution for amazing power and performance at an affordable price. With an output power of 1200W to 1-ohm or 2-ohm, this mono amplifier can power even the most demanding subwoofers, delivering clean and distortion-free bass.

For flexible applications

The S Series amplifiers now feature a new selectable remote circuitry. This allows the sensitivity of the remote control to be adjusted via a switch in three stages. This ensures that the amplifier always turns on and off at the right time. This design is crucial for newer vehicle technologies and allows for proper integration into any factory or retrofitted system.

Good usability

The amplifier is designed with controls located on the sides to facilitate access to gain and frequency settings when installed under vehicle seats or at shallow depths. Removable end caps conceal the side controls and connectors, giving the amplifier a clean, sleek design.

Power for multiple subwoofers

With an impressive output of 1200 watts to 1 or 2 ohms, the S2-A120M is capable of simultaneously powering two Alpine S-Series or Type-G 10-inch or 12-inch subwoofers. This ensures exceptional sound quality!

For S-Series Speakers and Subwoofers

The S-Series amplifiers are designed to perfectly match Alpine S-Series speakers and subwoofers. So you can build a perfect system. The S-Series components are designed for customers who want to build a fun and great sound experience with Hi-Res Audio capabilities without breaking their wallet.

S-Series Mono Amplifier - RMS Power 1x 1200W 2 Ohms

S2-A120M

This generation of Alpine S-Series amplifiers are designed to take your in-car music experience to the next level without breaking your wallet. With a sleek new design and improved features over their predecessors, these amplifiers deliver exceptional performance and power at an unparalleled price.

The S2-A120M mono amplifier from our current S series makes it very easy to produce great bass in your vehicle. For this, this amplifier delivers up to 1200 watts of RMS power at 2 ohms. This massive power output allows you to even power multiple subwoofers simultaneously on a single amplifier. A variable bass boost allows you to add extra power to the low frequencies for even more fun. You can even add an optional wired remote to control bass level from your front seat.

A built-in low-pass filter gives you control over the frequency range of the subwoofer. The amplifier has preamp and speaker inputs, so you can install it in almost any vehicle. Even in a vehicle with a factory radio. When using the speaker inputs, the amplifier can detect the incoming signal and turn on automatically, eliminating the need to run a separate power cable to the amplifier.

The S Series amplifiers are available in two mono, a 4-channel, and a 5-channel variant.