Alpine S2-A120M
S-Series 1200W Mono Amplifier
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Alpine S2-A120M S-Series 1200W Mono Class D Subwoofer Amplifier
The Alpine S2-A120M is a high-performance mono amplifier designed to deliver powerful and clean bass output. With a compact design and Class D efficiency, it provides 1200 watts of RMS power at both 1Ω and 2Ω, ensuring optimal performance for demanding subwoofer setups. The amplifier features side-mounted controls for easy access, a selectable remote turn-on circuit for seamless integration with factory or aftermarket systems, and compatibility with optional remote bass level controllers. Its robust construction and advanced features make it an excellent choice for enhancing your vehicle's audio system.
| Key Features | |
|---|---|
| Amplifier Type | Mono Class D |
| Remote Turn-On Circuit | Selectable 3-Position Switch |
| Side-Mounted Controls | Gain and Crossover Adjustments |
| Optional Remote Bass Control | Compatible with RUX-KNOB.2 or RUX-H01 (sold separately) |
| Preamp Outputs | Yes, for Daisy-Chaining Additional Amplifiers |
| What’s in the Box |
|---|
| 1 × Mono Subwoofer Amplifier |
| 2 × Connection End Covers |
| 1 × Mounting Hardware |
| 1 × 2.5mm Allen Wrench |
| 1 × Owner’s Manual |
| 1 × Alpine Verification Certificate |
| Technical Specifications | |
|---|---|
| RMS Power @ 4Ω | 600W x 1 |
| RMS Power @ 2Ω | 1200W x 1 |
| RMS Power @ 1Ω | 1200W x 1 |
| Frequency Response | 20Hz – 400Hz |
| Signal-to-Noise Ratio | >85dB |
| Damping Factor | >750 |
| Low-Pass Filter | 50Hz – 400Hz (24 dB/octave) |
| Bass Boost | 0 – 12dB @ 50Hz |
| Input Sensitivity (Low-Level) | 0.2V – 4.0V |
| Input Sensitivity (High-Level) | 0.5V – 10.0V |
| Dimensions (W × H × D) | 13.1" × 2.25" × 8.25" |
| Fuse Rating | 25A × 4 (100A Total) |
| Warranty | 1 Year |
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.