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The Power Acoustik RZ1-3500D is a Class D monoblock car amplifier rated at 3500W peak, built for driving subwoofers. It stands out for its compact 4.75-inch chassis, a MOSFET power supply, and a dash-mount gain control module in the box. It is stable down to 2 ohms and includes subsonic and low-pass crossovers for subwoofer tuning. It is a budget-oriented amp, so expect peak ratings rather than clean RMS output at that figure.
Lowest price we've seen: $139.79 on Nov 2 at Amazon. Tracked across 1 store since Nov 2.
Owner feedback on the RZ1-3500D is generally positive, with buyers citing good output for the price and an easy install thanks to the small footprint. Some note the power rating is optimistic and that it runs warm under heavy load.
Compact 4.75" Chassis Design for Installation Versatility, MOSFET Power Supply w/ Audiophile Grade IRTM Transistors, Military Grade SMT PCB Maintains Dynamic Performance,2-ohm Stereo & 4-ohm Bridged Full Range Operation,2-ohm Minimum Impedance Stability, Direct Short, Thermal, & Overload Circuits Protect Amplifier,200mv-6V Low-Level RCA Inputs, High-Level Input w/ Signal Sense Auto Turn-on, Variable 12dB High Pass & Low Pass Crossovers,10-50Hz Variable 12dB Subsonic Crossover Protects Subwoofers,12dB Bass Boost Increases Low Octave Harmonics, Dash Mount Gain Control Module Included
