Alpine S2-A55V 5-Channel Amplifier – Hi-Res Audio Performance in a Compact Design

The Alpine S2-A55V 5-Channel Amplifier redefines entry-level audio with Hi-Res Audio Certification, sleek design, and powerful performance. Part of Alpine's Next-Generation S-Series, this amplifier brings a new benchmark for price and performance, offering the ability to reproduce frequencies up to 40kHz for crystal-clear audio quality.

Designed to power your entire system, the S2-A55V delivers clean, distortion-free audio to up to four speakers and an additional subwoofer, all from a single, compact chassis. With its flexible application, user-friendly controls, and class-leading design, this amplifier is the perfect choice for factory or aftermarket audio upgrades.

Key Features

1. Hi-Res Audio Certified for Superior Sound Quality

• Extended Frequency Response: Capable of reproducing frequencies up to 40kHz for detailed, high-resolution audio playback.
• Crisp and Clean Audio: Brings out subtle details in your music, delivering a listening experience closer to the original studio recording.

2. Versatile 5-Channel Design

• Power Your Full System: Drives up to four speakers and one subwoofer, making it an all-in-one solution for complete system upgrades.
• Flexible Power Handling:
  • 40W RMS x 4 + 200W RMS x 1 at 4 Ohms
  • Bridged 120W RMS x 2
• High Output for Subwoofers: Dedicated subwoofer channel ensures deep, distortion-free bass.

3. Flexible Application for Seamless Integration

• Selectable Remote Turn-On Circuit: Features a three-position switch to ensure the amplifier turns on and off in sync with your vehicle, perfect for modern in-car technology.
• Works with Factory and Aftermarket Systems: Designed for easy integration into virtually any audio system.

4. User-Friendly Design with Easy Access Controls

• Side-Mounted Controls: Gain and crossover adjustments are conveniently located on the side panels, making them easy to access in tight installation spaces.
• Removable End Caps: Cover the side controls and connections for a clean, professional finish.

5. Compact and Sleek Design

• Space-Saving Chassis: With dimensions of 302mm x 56.5mm x 210mm, the S2-A55V fits easily in shallow-depth or under-seat locations.
• Stylish Look: Complements your vehicle's interior with its modern and sleek design.

Specifications

General Features

• Type: Class D 5-Channel Amplifier
• Frequency Response: 50Hz – 30kHz

Power Handling

• 4-Channel Power Output:
  • 40W RMS x 4 at 4 Ohms
  • 120W RMS x 2 (Bridged)
• Subwoofer Channel: 200W RMS x 1 at 4 Ohms

Dimensions

• Size: 302mm (L) x 56.5mm (H) x 210mm (W)

Why Choose the Alpine S2-A55V 5-Channel Amplifier?

• Hi-Res Audio Certified: Experience detailed and accurate sound reproduction, even at high frequencies.
• All-in-One Solution: Power your speakers and subwoofer with a single amplifier.
• Flexible Integration: Designed to work seamlessly with both factory and aftermarket systems.
• Compact and Convenient: Side-mounted controls, removable end caps, and a compact chassis ensure easy installation and a clean finish.
• Reliable Performance: With Alpine's legendary build quality, this amplifier is built to perform consistently and reliably.

How to Install the S2-A55V 5-Channel Amplifier

1. Choose a Location: Install the amplifier in a well-ventilated area, such as under a seat or in the trunk, ensuring it fits the dimensions of 302mm x 56.5mm x 210mm.
2. Connect Power and Ground Wires: Use high-quality wiring to connect the amplifier to your vehicle's power source, ensuring proper grounding.
3. Wire the Speakers and Subwoofer: Connect up to four speakers and one subwoofer to the amplifier, checking impedance compatibility.
4. Adjust Controls: Use the side-mounted gain and crossover controls to fine-tune the amplifier's performance to your system’s requirements.
5. Secure the End Caps: Cover the side controls and connections for a sleek, professional installation.
6. Test the System: Power on your system and test each channel to ensure proper operation and optimal sound quality.

Frequently Asked Questions (FAQs)

1. What does Hi-Res Audio Certified mean?

Hi-Res Audio certification ensures the amplifier can reproduce high-resolution sound with frequencies up to 40kHz, offering detailed and accurate audio playback.

2. Can this amplifier power a full sound system?

Yes, the S2-A55V’s 5-channel design is capable of driving up to four speakers and one subwoofer, making it an all-in-one solution for complete system upgrades.

3. Is this amplifier compatible with factory sound systems?

Absolutely! The selectable remote turn-on circuit ensures proper integration with modern factory systems, as well as aftermarket setups.

4. Does this amplifier support high-power subwoofers?

Yes, the dedicated subwoofer channel delivers 200W RMS at 4 Ohms, providing plenty of power for most subwoofers.

5. What makes the side-mounted controls beneficial?

The side-mounted controls make it easier to adjust settings when the amplifier is installed in tight spaces, such as under vehicle seats or in shallow-depth locations.