Soundstream SR1‑3500D – Compact 3500W Reign OVERDRIVE Class-D Monoblock Amplifier

Big Power in a Compact Frame

We’re in a time where compact is king. Smaller, more efficient vehicles dominate today’s roads—but that doesn’t mean your car audio should settle for less. The Soundstream SR1‑3500D Reign OVERDRIVE Amplifier is engineered for those who demand extreme output in a space-saving design. Delivering up to 3500 watts of Class-D power, this 1-ohm stable monoblock amplifier is purpose-built for subwoofer dominance without overcrowding your vehicle's interior.

Advanced Class-D Efficiency with SMT Precision

At the heart of the SR1‑3500D is a full-range Class-D amplifier circuit, optimized through Surface Mount Technology (SMT) for unmatched efficiency and thermal performance. This compact amp delivers enormous power while minimizing heat and energy draw—ideal for modern vehicles with limited alternator output.

Preamp Control with Pro-Grade Flexibility

Loaded with comprehensive preamp controls, the OVERDRIVE series gives you precision over every part of your low-frequency sound. Whether you’re fine-tuning the low-pass crossover, adjusting gain, or dialing in the subsonic filter, this amp adapts to your exact system configuration and listening preferences.

Bridge-Mode Ready – 1 Ohm Stable Monoblock Power

Need more power? The SR1‑3500D supports strap-bridge mode—allowing you to link two amplifiers together for double the output power. This means serious subwoofer system scalability for hardcore bass lovers.

“Reign OVERDRIVE amplifiers pack huge amounts of power into small chassis thanks to efficient full-range Class-D topology and SMT technology. Complimented with every possible preamp adjustment, OVERDRIVE amplifiers leave nothing to be desired… 1 Ohm Stable Monoblock – Strap 2 Subwoofer Monoblocks together for Bridge-Mode, Giving you Double the Power!”

Optimized for Tight Installations

Thanks to its compact heat-sink design and low-profile layout, the SR1‑3500D fits easily under seats, in trunks, or discreet compartments—delivering high-output monoblock performance without the bulk of traditional amps.