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The Hifonics ZD-750.4D is a four-channel car amplifier rated at up to 750 watts, built on Super Class-D circuitry in a compact chassis. It runs a PWM MOSFET power supply with Simpatico coil architecture for stable voltage and low heat, and adds a variable 12 dB/octave crossover from 50 Hz to 250 Hz on both high-pass and low-pass. Nickel-plated RCA inputs, DC signal-sensing auto turn-on and molded terminals for 4 AWG power and 12 AWG speaker wire make it easy to drop into a full-range system. It suits drivers powering four speakers or bridging two channels to a sub, and it competes with other compact Class-D four-channels on footprint and features rather than on raw wattage.
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Lowest price we've seen: $125.99 on Nov 12 at Hifonics. Tracked across 13 stores since Nov 12.
The Hifonics ZD-750.4D ZEUS DELTA is a four-channel Class D amplifier that delivers up to 750 watts. It uses Super Class-D topology in a compact footprint and is designed for full-range mobile audio systems.
It has a PWM MOSFET power supply with Simpatico coil architecture, which keeps voltage stable and current delivery optimal with minimal heat. The low-noise preamplifier circuitry and nickel-plated RCA inputs preserve low-voltage signal integrity and resist corrosion.
The built-in electronic crossover offers variable 12dB per octave high-pass and low-pass filtering from 50Hz to 250Hz. It works for multi-speaker setups and bridged subwoofer applications. DC signal-sensing auto turn-on removes the need for a separate remote wire. Diagnostic LEDs show overload and short-circuit protection status.
