





"Fit perfectly and worked exactly as expected — support was excellent."
Alpine S2-A36F
Upgrade Your Vehicle With Confidence. This Is Built to Fit, Perform, and Last
The Alpine S2-A36F is a compact, Hi-Res Audio Certified 4-channel amplifier designed for dynamic full-range sound. Its Class D architecture delivers efficient power with minimal distortion, while the variable Mid-Bass EQ enhances low-frequency impact. Ideal for upgrading factory or aftermarket systems, it features side-mounted controls for easy access and a selectable remote turn-on circuit for seamless integration.
| Key Features | |
|---|---|
| Amplifier Class | Class D |
| Hi-Res Audio Certified | Yes (Up to 40kHz) |
| Mid-Bass EQ | Variable boost (0–12dB at 100Hz) on Channels 3/4 |
| Crossover Controls | Variable high-pass and low-pass filters (50Hz – 400Hz, 12dB/octave) |
| Turn-On Options | Selectable remote, signal sensing |
| Optional Remote | Compatible with Alpine RUX-KNOB.2 or RUX-H01 (sold separately) |
| Chassis Design | Side-mounted controls with removable end caps |
| What’s in the Box |
|---|
| 1 × Alpine S2-A36F 4-Channel Amplifier (with 40A ATO fuse installed) |
| 2 × Connection End Covers with 4 Attachment Screws |
| 4 × Self-Tapping Screws |
| 1 × 2mm Allen Wrench |
| 1 × Owner’s Manual |
| 1 × Alpine Verification Certificate (“Birth Sheet”) |
| 1 × Warranty Information Sheet |
| 1 × Power Supply Note |
| 1 × Online Product Registration Information |
- Ships within 1–3 business days from our warehouse
- Tracking included with every order
- Free 30-day returns if it doesn’t work for your setup
- 2-year manufacturer warranty
- Authorized dealer guarantee
- Real installer-backed support before and after purchase

Why This Upgrade Makes Daily Driving Better
Ease of Use & Safety
Expandable by Design
FITMENT & INSTALLATION MADE SIMPLE
WHAT VEHICLES IT WORKS WITH
We verify compatibility before you buy, no guesswork.
DIY FRIENDLY IF:
- You're comfortable with basic tools
- You follow provided instructions
PROFESSIONAL INSTALL RECOMMENDED IF:
- Your vehicle requires dash kits or wiring adapters
- You want a turnkey experience
INSTALLATION CREDIT & SUPPORT:
- $75 Installation Credit when purchased online
- Speak to real installers before you buy
- Bring it into one of our locations for install
Why Buying This Here Is Safer Than Anywhere Else
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MARKETPLACES | |
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Verified Vehicle Fit
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Installer Support
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Authorized Products
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Easy Returns
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Physical stores & real installers
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FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS
How do I know this stereo or speaker will fit my car?
Select your year, make, and model using the Vehicle Fit Guide at the top of the page. You’ll only see products that are compatible with your exact vehicle setup.
What happens if I order something that doesn’t fit?
You can return or exchange it within 30 days. We’ll help you identify the correct part for your vehicle so you don’t have to guess again.
Are these products brand new and covered by warranty?
Yes — all products are brand new, authentic, and sold as an authorized dealer, which means they include a full manufacturer warranty.
Can you install this for me, or do I need to do it myself?
You can do either. Install it yourself, or use your $75 installation credit at our shop and have it professionally installed by our team.
What if I don’t know what to choose for my car?
Tell us your vehicle and what you want to improve (sound, bass, CarPlay, etc.). We’ll recommend the exact products that fit your car and your budget.
