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The Hifonics ZD-3350.1D is a Class-D mono block amplifier from the Zeus Delta line, rated at 3350 watts into a 1-ohm load. It uses a PWM MOSFET power supply to hold current under heavy bass demand, and it is bundled with a 0-gauge Rockville RWK01 wiring kit that covers power, ground and RCA runs. It suits someone driving one or two big subwoofers who wants a lot of power from a compact Class-D chassis. Against premium mono amps it trades refinement and clean-power headroom for raw rated output, and owners of Hifonics amps generally report strong output for the class while noting the ratings are optimistic.
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Lowest price we've seen: $249.99 on Nov 12 at Reverb. Tracked across 12 stores since Nov 12.
Owners of Hifonics Zeus Delta amps describe strong bass output for the money and a straightforward install, while critics say the power figures are inflated and the amp can protect or heat up when pushed hard for long periods.
The Hifonics ZEUS DELTA ZD-3350.1D is a Class D mono amplifier rated at 3350 watts at 1 ohm. It uses a PWM MOSFET power supply with a dual coil design that keeps voltage constant. The heat sink is aluminum. Class D topology gives high efficiency in a small footprint.
The amplifier has a low-noise preamp circuit and nickel-plated RCA inputs. It also accepts speaker-level inputs. An onboard electronic crossover and a built-in bass control let you tailor the output to your subwoofer. A DC signal sense switch turns the amp on when it receives a signal on the RCA inputs, so no remote turn-on wire is needed. This feature can be switched off.
Molded, angled terminals handle the power, ground and speaker connections. LED indicators on the end panel show overload and speaker short protection status. A bass remote is included. The kit also comes with a Rockville RWK01 0 gauge amp wiring kit with RCAs.
