Best S2 A120m Deals of Nov 2026

Updated November 10, 2026Our site contains affiliate links for which we may be compensated.

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Alpine

Alpine S2-A120M S-Series Class-D Mono Subwoofer Amplifier, Hi-Res Certified, 1200W RMS at 1 & 2-Ohm

With a power output of 1200W at a 1ohm or 2ohm drive, this mono amp is capable of driving even the most demanding subwoofers

New to the Next-Generation S-Series amplifiers is a new selectable remote turn-on circuit, a three-position switch that ensures the amplifier turns on and off at the proper times.

Intentionally designed with sound controls located on the side panels, instead of the top panel, making it easier to access gain and crossover controls when installed

Delivering an impressive 1200 watts of power at both 1 ohm and 2 ohm, the S2-A120M is fully capable of providing ample power to two Alpine S-Series 10” or 12” Subwoofers

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Alpine

Alpine S2-A120M S-Series 1200W High Performance Car Mono Power Amplifier with RUX-KNOB.2 Bass Knob

1200W Mono Power Amplifier

Alpine’s Class D Amplifier Circuit

Optional Remote Bass Knob Compatible

Built-in Selectable / Adjustable Crossovers

Two-sided Terminal Layout

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Alpine

Alpine S2-A120M Mono Subwoofer Amplifier RUX-KNOB.2 Bundle | S-Series Class-D mono subwoofer amplifier bundled with RUX-KNOB.2 remote bass knob.

Bundle Includes: Alpine S2-A120M S-Series Class-D Mono Subwoofer Amplifier, Alpine RUX-KNOB.2 Remote Bass Knob

RUX-KNOB.2: Multiple Amp Control w/ telephone cord adapters

RUX-KNOB.2: MRX-M50, MRX-M100, MRX-V60, PDX-M12, and PDX-M6

RUX-KNOB.2: With the RUX-KNOB installed inside the vehicle cabin, easily adjust the bass gain of your amp while seated inside.

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Alpine

30 Day Low Price

Alpine S-Series S2-A120M Mono Amplifier with 2-Pack S2-SB12V Subwoofer Enclosure

1200W mono Class-D amplifier

Two-sided terminal layout

Built-in adjustable crossovers

Optional remote bass knob support (RUX-KNOB.2 / RUX-H01)

Includes 2-Pack S2-SB12V subwoofer enclosure

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Alpine

Alpine S2-A120M Mono Amp RUX-H01 Bass Knob Bundle | S-Series Class-D mono subwoofer amplifier bundled with Alpine RUX-H01 remote bass knob.

Bundle Includes: Alpine S2-A120M S-Series Class-D Mono Subwoofer Amplifier, Alpine RUX-H01 Remote Bass Knob for the Alpine Halo Display

RUX-H01: Remote Bass Knob for the Alpine Halo Display

RUX-H01: Fits the iLX-F259, iLX-F309, and iLX-F411 9-inch and 11-inch screen

RUX-H01: Compatible with the X-A90M, X-A90V, R-A90S, R-A75M, R-A60M, S-A55V, PDX-V9, KTA-200M

RUX-H01: Also compatible with the X-A70F, R-A60F, S-A32F in 3-channel mode for level control on channel 3 or 4 when bridged

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Alpine

Alpine S2-A120M Amp with Two S2-W10D2 10in Subs & Bass Knob | 1x 1200W RMS Class-D mono amplifier with 2x 10 in dual 2-ohm subwoofers and 1x remote bass knob.

This bundle includes an Alpine RUX-KNOB.2 Remote Bass Knob, 2x Alpine S2-W10D2 10" S-Series Dual 2-Ohm Car Subwoofers, and an Alpine S2-A120M S-Series Class-D Mono Subwoofer Amplifier.

Experience deep, powerful bass with the Alpine S2-W10D2 subwoofers, delivering 1800W max and 600W RMS for outstanding sound performance.

Easily adjust bass levels on the fly with the Alpine RUX-KNOB.2, providing convenient in-car control over your subwoofer's output.

The Alpine S2-A120M amplifier offers 1200W RMS at 1 & 2-Ohm, ensuring clean, distortion-free bass for demanding audio applications.

Simplified installation with side-panel controls and removable end caps on the S2-A120M amp, perfect for tight spaces and sleek setups.

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Alpine

Alpine S2-A120M Mono Power Amplifier, Two S2-SB10V 10" Subwoofer Enclosures, KTX-H12 Linking Kit, and RUX-KNOB.2 Remote Bass Knob

1200W Mono Power Amplifier

2 10" Subwoofer Enclosures

Remote Bass Knob

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American Sound Connection fits S-W12D2 Dual 12" Sub Box w/ S2-A120M Amp

1200W RMS / 3600W Peak Subwoofer Power – two S-W12D2 Type-S 12-inch subs loaded in a ported box, matched with a mono amp and full wiring kit

S2-A120M Mono Subwoofer Amplifier – 1200 watts RMS of S-Series class D power sized for the dual 12-inch enclosure

Dual 2 Ohm Voice Coils Per Sub – 600 watts RMS each with 2.6-inch coils, 15mm Xmax and a high amplitude multi-roll surround

Complete 1/0 GA Amplifier Install Kit – 17 ft power cable, ANL fuse holder with 250 amp fuse, ground, remote, speaker wire and RCA cable included

34 x 13-1/4 x 16 Inch Ported Sub Box – 3/4-inch MDF with a 1-inch front baffle, 1.6 cubic feet per sub and gray carpet wrap

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Our #1 Pick Today

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Alpine

Alpine S2-A120M S-Series Class-D Mono Subwoofer Amplifier, Hi-Res Certified, 1200W RMS at 1 & 2-Ohm

With a power output of 1200W at a 1ohm or 2ohm drive, this mono amp is capable of driving even the most demanding subwoofers

New to the Next-Generation S-Series amplifiers is a new selectable remote turn-on circuit, a three-position switch that ensures the amplifier turns on and off at the proper times.

Intentionally designed with sound controls located on the side panels, instead of the top panel, making it easier to access gain and crossover controls when installed

Delivering an impressive 1200 watts of power at both 1 ohm and 2 ohm, the S2-A120M is fully capable of providing ample power to two Alpine S-Series 10” or 12” Subwoofers

Details & specs

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8 S2 A120m deals are available from: Amazon, starting from $549.95.

The lowest price we found is $549.95 while the highest is $1,414.76. Prices for the best S2 A120m deals average at $880.75.