DOWN4SOUND | 200A SMART POWER SUPPLY – 12V CAR AUDIO POWER SUPPLY & BATTERY CHARGER (13.8V – 15V OUTPUT)

The Down4Sound 200A Smart Power Supply is a high-output 12V power solution built for serious car audio applications, battery charging, and heavy-duty bench use. Delivering up to 200 amps with a stabilized output range of 13.8V to 15V, this unit is designed to power larger amplifiers, demo setups, and demanding 12V systems with confidence.
This is more than just a charger. It functions as a high-current car audio power supply, allowing you to run amplifiers and audio equipment directly from wall power without needing a running vehicle. Whether you are testing equipment, building a demo board, or maintaining batteries, the PS-200A delivers serious performance.
Key Features

200 Amp Output for high-demand 12V systems
Adjustable Output Range from 13.8V to 15V
Smart Battery Charger Function
Battery Compatibility: Lead-acid, agm, and lithium
Adjustable Output Voltage: User-configurable based on battery requirements
Ajustable Current Output: Matches battery capacity for safe charging
Battery Maintainer Mode to preserve battery health
Direct Power Supply Operation with no battery required
Built-In Voltmeter and Ammeter for real-time monitoring
Overload and Short Circuit Protection for safe operation
Overheating Protection System with active cooling
Full-Range Automatic Bivolt Input from 90V to 250Vac
Smart Charging Memory System to protect and maintain batteries
Can be ran in parallel with another D4S 200A POWER SUPPLY

Perfect For

High-power car audio bench testing
Running amplifiers and subwoofer systems without a vehicle
Demo builds and shop setups
Charging and maintaining large 12V battery banks
Professional installers and audio enthusiasts

Why Choose the Down4Sound 200A Smart Power Supply?
If you need serious current, this unit delivers. The Down4Sound 200A Smart Power Supply is built for users who want to run larger car audio systems anywhere with stable voltage and reliable output. It combines the functionality of a high-current 12V power supply and a smart battery charger into one powerful unit, making it ideal for both shop and advanced home setups.
Important Note
This unit is designed for high-current applications. Ensure proper wiring, ventilation, and load management when operating. Always verify polarity before connecting equipment and confirm your system requirements do not exceed the units output capacity.