Autotek SM-2400.4D | 2400W 4-Channel Car Amplifier with Bass Knob

Powerful, efficient amplification for your vehicle

The Autotek SM-2400.4D delivers high-output performance in a compact, heat-conscious package. With up to 2,400 watts peak power and 4-ohm mono-bridged stability, this amplifier is designed to energize subwoofers and full-range speakers alike, helping your music feel more alive without draining your electrical system.

Whether you want deep, punchy bass or a crisp, balanced soundstage, this amp provides a flexible platform to build your system. The build focuses on efficient operation and reliable behavior, so you can count on steady performance across varying listening sessions and vehicle environments.

Control and clarity you can hear

The integrated signal architecture supports precise tonal shaping. Fully adjustable 12dB crossovers and an onboard equalizer let you tailor the spectrum for subwoofers and full-range speakers, enabling bass emphasis when you want extra impact or a smoother balance for everyday listening.

• Low-noise preamp and RCA inputs minimize distortion and preserve signal integrity.
• Dedicated pathways support subwoofers and front/rear speakers for flexible configurations.

Durable design with smart cooling

A Sound Shield aluminum heat sink helps manage heat during extended use, supporting consistent performance and reducing the risk of thermal throttling in demanding driving sessions.

Secure, flexible installation

Nickel-plated brass terminals with screw-down connectors provide sturdy, corrosion-resistant wiring and a reliable fit in most car setups, even when space is tight.

• Solid hardware supports durable wiring in varied vehicle layouts.
• Compact form factor suits under-seat or trunk mounting while keeping wiring accessible.

This description highlights potential benefits based on the listed features. Real-world results depend on your overall system, vehicle acoustics, and how you configure subwoofers and speakers.