We are a Soundstream authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
The Soundstream PSA1.4000D is a compact powerhouse designed to deliver thunderous bass in the harshest conditions. Perfect for powersport, marine, and motorcycle setups, it ensures reliable, high-output performance wherever you go. With a durable, waterproof chassis and 1-ohm stable Class D design, this amplifier brings massive low-end impact without compromise.
Delivering up to 4,000 watts peak and 1,300W RMS at 1Ω, the PSA1.4000D drives your subwoofer with clean, commanding power. Its IP66-rated waterproof housing and military-grade PCB make it rugged enough for the harshest conditions. Equipped with a PWM MOSFET power supply, it ensures stable, reliable performance on water, trails, or any high-vibration environment.
Fine-tune your low-end with fully adjustable 12dB low-pass and subsonic crossovers, along with an adjustable bass boost for deeper, punchier impact. The PSA1.4000D lets you customize your sound for the perfect balance of power and clarity. With advanced protection circuitry and input sensitivity up to 3V, installation is safe, seamless, and system-friendly.
We are a Soundstream authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
The Soundstream PSA1.4000D is a compact powerhouse designed to deliver thunderous bass in the harshest conditions. Perfect for powersport, marine, and motorcycle setups, it ensures reliable, high-output performance wherever you go. With a durable, waterproof chassis and 1-ohm stable Class D design, this amplifier brings massive low-end impact without compromise.
Delivering up to 4,000 watts peak and 1,300W RMS at 1Ω, the PSA1.4000D drives your subwoofer with clean, commanding power. Its IP66-rated waterproof housing and military-grade PCB make it rugged enough for the harshest conditions. Equipped with a PWM MOSFET power supply, it ensures stable, reliable performance on water, trails, or any high-vibration environment.
Fine-tune your low-end with fully adjustable 12dB low-pass and subsonic crossovers, along with an adjustable bass boost for deeper, punchier impact. The PSA1.4000D lets you customize your sound for the perfect balance of power and clarity. With advanced protection circuitry and input sensitivity up to 3V, installation is safe, seamless, and system-friendly.
