
ZD-750.4D
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The Hifonics ZD-750.4D is a four-channel car amplifier from the Zeus Delta line, rated at 750 watts total. It runs in four-channel or bridged mono mode, so it can drive four speakers or two speakers plus a bridged subwoofer. A PWM MOSFET power supply and a low-noise preamp circuit aim to keep current steady and distortion low. It suits budget-minded builds that want one amp for the whole system, though it lacks the DSP tuning and higher clean-power headroom of premium four-channels.
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Lowest price we've seen: $120.00 on Nov 12 at Poshmark. Tracked across 1 store since Nov 12.
The Hifonics ZEUS DELTA ZD-750.4D is a four-channel Class D car amplifier with 750 watts of maximum power. It uses a PWM MOSFET power supply with a dual-coil design to keep voltage constant and deliver stable power with minimal heat. The case has an aluminum heat sink for heat dissipation.
It runs in four-channel or bridged mono mode and can be used full range. An onboard electronic crossover and built-in bass control let you tailor the output to your speakers and subwoofers. The low-noise preamplifier circuit keeps distortion minimal, and the RCA inputs are nickel plated and corrosion resistant.
The DC SIGNAL SENSE switch turns the amp on when a signal arrives at the RCA inputs, so no remote turn-on wire is needed. This feature can be switched off. LED indicators on the end panel show overload and speaker short protection. Molded, angled terminals handle all power, ground and speaker connections.











