The Alpine S2-A120M mono amplifier drives subwoofers and delivers up to 1,200 W RMS at 1 Ω or 2 Ω, and 600 W RMS at 4 Ω. Its Class D circuitry includes RCA and speaker-level inputs, with the latter supporting automatic turn-on without a separate wire. The gain, crossover, and Bass EQ controls are located on the side panels for easy access in confined installation spaces.
- Channels: 1
- Amplifier class: D
- RMS power: 1 × 1,200 W at 1 Ω or 2 Ω, 1 × 600 W at 4 Ω
- Inputs: RCA and speaker-level
- Automatic turn-on: Via the speaker-level input
- Controls: Gain, crossover, and Bass EQ
- Bass EQ adjustment: +12 dB
- LPF: Adjustable from 50 to 400 Hz, −24 dB/octave
- Frequency response: 10–400 Hz (+0, −3 dB)
- RCA input sensitivity: 0.2–4.0 V (Low) / 0.5–10 V (Hi)
- Damping factor: >750
- Heatsink dimensions: 352 × 57 × 210 mm
- Terminal covers: Removable
- Product Number
- S2-A120M
- Number of Channels
- 1 Channel
- Output Power (4 Ohm)
- -
- Amplifier class
- D
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.