The GENIUS AUDIO PX700.4D1 is a high-performance, compact Class D amplifier designed to deliver massive power in a small footprint. This full-range, 4-channel powerhouse is built for car audio enthusiasts who demand high fidelity and versatility, capable of driving speakers or subwoofers with exceptional efficiency and stability. Its ability to operate at 1 Ohm in stereo makes it a highly flexible option for complex audio system designs.
Key Technical Features and Benefits:
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Compact Class D Design:
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Feature: Highly efficient Class D topology with a compact dimension (14.17 x 6.86 x 2.0 in).
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Benefit: Maximizes power output while minimizing heat generation and required installation space. Ideal for modern vehicles with limited room.
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High Power Output (RMS @ 14.4V):
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Feature: 721 Watts x 4CH @ 1 Ohm Stereo; 1430 Watts x 2CH @ 2 Ohm Bridged (1546W Burst).
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Benefit: Provides massive, reliable power to drive a wide variety of speakers, component sets, or subwoofers, ensuring clean sound even at high volume levels.
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1 Ohm Stereo Stability:
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Feature: Minimum Impedance Connection of 1 Ohm Stereo and 2 Ohms Bridged.
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Benefit: Offers extreme flexibility for wiring multiple speakers/subwoofers, allowing you to maximize the amplifier's power output into the lowest possible impedance.
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Full-Range Crossover Filter:
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Feature: Selectable LPF/HPF/FULL with a wide range of 35Hz - 8KHz (12dB slope).
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Benefit: Allows the amplifier to be perfectly tuned for any application—running full-range speakers, mid-high speakers (HPF), or subwoofers (LPF)—providing precise sound customization.
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Advanced Thermal and Protection System:
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Feature: Smart Cooler (Temperature Controlling Fan) and a comprehensive protection system (Short-Circuit, Low Impedance, High/Low Voltage, DC-offset, and Thermal Protection).
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Benefit: Ensures reliable, long-term operation under demanding conditions, preventing damage to the amplifier and maintaining consistent performance.
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High Input Sensitivity and Bass Boost:
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Feature: Input Sensitivity from 0.4V to 7.5V and 0-18dB Bass Boost Range.
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Benefit: Compatible with both factory and aftermarket head units, offering easy integration and the ability to fine-tune the low-frequency response for maximum impact.
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