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Alpine S2-A36F 4-Channel Amplifier
Alpine S2-A36F 4-Channel Amplifier
Technical Highlights
- Power: 4x 90 W at 2 ohm, 4x 60 W at 4 ohm, 2x 180 W bridged.
- Hi-Res Audio: Frequency response up to 40 kHz, ideal for high-quality sound.
- Class-D amplifier, variable mid-bass EQ, adjustable LPF/HPF.
- More technical details
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S2-A36F by Alpine

The new S-Series amplifiers
The 4-channel amplifier S2-A36F has significantly improved sound in the entry-level class. Its slim design houses an Alpine Class-D amplifier circuit and is now Hi-Res Audio certified.

Hi-Res Audio-Certified
The Alpine S-Series S2-A36F 4-channel amplifier of the current generation is Hi-Res Audio certified and capable of reproducing a frequency response of up to 40 kHz. This ultra-wide bandwidth, combined with the premium S-Series design, sets new standards for performance and price in the entry-level segment.

For flexible applications
The S-series amplifiers now feature a new selectable remote circuit. This allows the sensitivity of the remote turn-on control to be adjusted in three positions via a switch. This ensures the amplifier always turns on and off at the right time. This design is crucial for newer vehicle technologies and enables proper integration into any factory or aftermarket system.

Good usability
The amplifier is designed with the controls on the sides to make access to the gain and frequency settings easier when it’s installed under vehicle seats or in shallow mounting locations. Removable end caps hide the side controls and connections, giving the amplifier a clean, sleek look.

Mid-Bass EQ
With its new and unique variable mid-bass EQ, the S2-A36F lets you adjust the mid-bass effect to your liking, making it the ideal choice for anyone seeking a more dynamic and powerful listening experience.

For S-Series speakers and subwoofers
The S-Series amplifiers are engineered to perfectly match Alpine S-Series speakers and subwoofers. That way you can build an ideal system. The S-Series components were developed for customers who want an entertaining, high-quality listening experience with Hi-Res audio features without breaking the bank.
Features
- Connection type: All connectors on one side
- Small footprint for easy installation
- Screw terminals (for speakers and power cables)
- Class-D (Digital) -amplifier
- Hi-Res Audio Certified
- Channels: 4/3/2 channel (stereo)
- Side settings
- Temperature management circuit
- Top-mounted LED power and status indicator
- High Power-Inputs
- 3 different remote settings (DC HI, Remote HI, Remote LO)
- Crossover: Adjustable low-pass filter (LPF) / high-pass filter (HPF)
- Adjustable input sensitivity
- Mid-Bass EQ
- Bass remote control: RUX-KNOB2 (sold separately and bridged for channels 3+4)
RMS power
- per channel at 2 Ohm: 14.4 V (≤1%THD+N): 4x 90 W
- per channel at 4 ohms: 14.4 V (≤1%THD+N): 4x 60 W
- Bridged at 4 ohms, 14.4 V: 2x 180 W
Sound Tuning
- Crossover: Variable HPF/LPF: 50-400 Hz (-12 dB/Oct.)
- Mid-Bass EQ (0 to +12 dB)
Technical Specifications
- Power supply: 14.4 V DC (9 - 16 V)
- Input sensitivity (RCA input) High: 0.5 V - 10 V / Low: 0.2 V - 4.0 V
- High-level input with automatic power-on function
- Cable cross-section: power cable 8 AWG (8 mm²), speaker cable 10 AWG (5 mm²)
- Frequency response: 10 Hz – 40 kHz
- THD+N (@ 10W at 4 Ohm): <0.03%
- Damping factor: >100
- Weight: 2.2 kg
Dimensions
- Heatsink (W x H x D) mm: 220 x 57 x 210
Alpine S2-A36F Datasheet
Frequently Asked Questions about S2-A36F
What RMS power does the Alpine S2-A36F 4-channel amplifier provide at 2 ohms?
What RMS power does the Alpine S2-A36F 4-channel amplifier provide at 2 ohms?
How does the variable mid-bass EQ of the S2-A36F affect the sound?
How does the variable mid-bass EQ of the S2-A36F affect the sound?
What crossover options are available on the Alpine S2-A36F?
What crossover options are available on the Alpine S2-A36F?
How does the remote circuit of the S2-A36F work and what settings are available?
How does the remote circuit of the S2-A36F work and what settings are available?
What types of connections does the Alpine Class-D amplifier S2-A36F offer?
What types of connections does the Alpine Class-D amplifier S2-A36F offer?
How is the temperature management of the S2-A36F 4-channel Amplifier designed?
How is the temperature management of the S2-A36F 4-channel Amplifier designed?
What are the dimensions of the Alpine S2-A36F and how do they facilitate installation?
What are the dimensions of the Alpine S2-A36F and how do they facilitate installation?
How can the gain and frequency settings on the S2-A36F be optimally utilized?
How can the gain and frequency settings on the S2-A36F be optimally utilized?
What input sensitivities does the Alpine 4-channel Amplifier S2-A36F offer and how are they adjustable?
What input sensitivities does the Alpine 4-channel Amplifier S2-A36F offer and how are they adjustable?
How is the S2-A36F optimized for use with S-Series speakers and subwoofers?
How is the S2-A36F optimized for use with S-Series speakers and subwoofers?
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Manufacturer information / responsible person
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