MARTS MXS100.4 Compact 4-Channel Car Amplifier is designed for drivers who want stronger, cleaner sound in a space-saving format. This Mini Class D full-range amplifier combines compact dimensions with flexible installation options, making it a smart fit for modern car audio upgrades where power and efficiency matter. With four-channel output, bridged capability, and support for both low-level and hi-level inputs, the MXS100.4 helps improve clarity, dynamics, and everyday listening performance without taking over your vehicle’s layout. It is a practical choice for powering door speakers, adding definition to a full-range setup, or building a more balanced sound system. Built with protection circuitry, LED status indicators, and a wide working voltage range, this MARTS amplifier is engineered for reliable performance and consistent output in everyday automotive use.

Compact Mini Design: The low-profile form factor allows flexible placement in a wide range of car audio installations.

Class D Full-Range Output: Efficient amplification supports clear sound across the audio spectrum for versatile use.

4-Channel Configuration: Power multiple speakers with a single amplifier for a streamlined system layout.

Bridged Operation Support: Use the amplifier in bridged mode for added output flexibility in compatible setups.

Hi-Level and Low-Level Inputs: Connect easily to different source units and factory-style audio systems.

Built-In Protection Circuitry: Thermal, voltage, speaker, and DC protection help support dependable operation.

Selectable Crossover Control: HPF, Full-Range, and LPF settings provide better tuning options for system matching.

Clear Status Indicators: LED power and protection lights make it easier to monitor amplifier condition.