Alpine S2-A36F S-Series Class-D 4-Channel Amplifier — Hi-Res Certified, 60W x 4 @ 4Ω / 90W x 4 @ 2Ω

Power, precision, and easy integration

Upgrade your car audio with the Alpine S2-A36F S-Series Class-D four-channel amplifier. This Hi-Res Audio Certified unit can reproduce frequencies up to 40kHz when paired with suitable speakers, delivering cleaner highs and more detailed mids for a richer listening experience.

Engineered for flexible installation, it works with factory radios or aftermarket head units alike. The compact form factor and efficient Class-D design help minimize heat and fit into tight spaces, so you can enjoy better sound without sacrificing trunk or dash room.

Key features

• Hi-Res Audio Certified with a wide frequency response up to 40kHz
• Four channels of power: 60W x 4 @ 4Ω and 90W x 4 @ 2Ω
• Dial in the mid-bass impact to match your speakers and listening preferences
• New selectable remote turn-on circuit with a three-position switch for reliable on/off timing
• Seamless integration with factory or aftermarket systems

Real-world use scenarios

• Daily commuting with clearer highs and punchier bass from a multi-speaker setup
• Weekends with upgraded front and rear channels for a more immersive cabin sound
• Custom installs where space is tight but sound quality matters

Note: Performance depends on the rest of your audio chain, speaker choices, and head unit compatibility. This amplifier is designed to offer flexible, high-fidelity amplification as a part of a larger system.