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Description

Hifonics ZD-1350.4D

The Hifonics ZD‑1350.4D is a Class D 4‑channel amplifier from the Zeus Delta (ZD) Series, engineered to deliver powerful and efficient full‑range performance. With high‑current output design, flexible variable crossovers, bass knob support, and built‑in protection circuitry, it’s ideal for powering door and rear speakers in daily audio systems as well as bridged setups for subwoofers.


Specifications

Category Specification
Type Amplifier
Brand Hifonics
Series COLOSSUS CLASSIC
Category (Use) Mobile
Condition New
Color Black
Warranty 1 Year
Compatible Vehicles Universal
Amp Class Super D-Class®
Total Channels 1
Max Power 1500 Watts
Power @ 1 Ohm 1 x 1500 W
Power @ 2 Ohms 1 x 750 W
Power @ 4 Ohms 1 x 375 W
Crossover Variable Electronic 12dB/Octave
Low Pass Crossover 30Hz – 250Hz
Tone Control / EQ Built-in Bass Control
Bass Boost 0 – 10dB
Subsonic Filter 15Hz – 35Hz
Phase Shift 0° – 180°
Variable Voltage 0.2 – 9V
Frequency Response 10Hz – 500Hz
Total Harmonic Distortion (THD) < 0.1%
Speaker Level Inputs Yes

 


Features & Benefits

Low Noise Preamplifier Circuit Maximum low voltage signal from the source unit comes into the amplifier circuit with minimal distortion.
RCA Inputs Nickel-plated RCA jacks create the most efficient High/Low Level audio connection and resist corrosion.
Operation Mode Mono only
Crossover Type Variable electronic crossovers allow for complete control of the sound.
Electronic Equalizer Control of amplifier output with on-board electronic crossover to tailor specific frequencies to speakers and subwoofers.
Class / Topology Super D-Class™ designs which employ high-speed microprocessors with proprietary D/A conversion algorithms to efficiently control the current consumption. At very high listening levels, Hifonics amplifiers with Super D-Class circuitry result in lower distortion, higher current efficiencies and less heat than conventional D-Class amplifier designs.
Output Device Technology Pro-Fi™ Output Device Technology: The Ultra-Fi™ MOSFET is designed for music production vs just electronics output power. It produces very musical high power with high efficiency for cooling and minimal distortion.
Heat Sink Heavy-duty aluminum alloy heat sink efficiently moves heat from the MOSFET for superior dissipation.
Power Supply The dual coil Pulse Width Modulated power supply keeps voltage constant through the Ultra-Fi output devices.
Output Connections High temperature impact resistant nickel plated connectors with allen head set screws which allow for secure termination of wire and creates an erosion resistant seal.
Connection Type Secure molded connection terminal for all Power, Ground and Speaker connections. Angled for ease of access while creating a clean wire mangement profile.
LED System Protection Circuitry Diagnostics Monitor overload and speaker short protection with illuminated indicators on the amplifier end panel.
Bass Remote Included Wired Bass Remote allows adjustments to bass frequencies from the control which can be mounted anywhere in the vehicle.
Phase Adjustment Phase 0-180°: Bass drum attack, snap requires phase between deep frequency subwoofers and upper midbass speakers.

 

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Questions and Answers

Q1: What is the Hifonics ZD‑1350.4D?

A1: It’s a 1350 W Class D 4‑channel amplifier designed to power full‑range speakers with efficient and clean output.

Q2: How much power does it deliver?

A2: Typically it delivers around 4×75 W @ 4 Ω, 4×145 W @ 2 Ω, and can be bridged to 2×290 W @ 4 Ω for sub or speaker use.

Q3: Can it run a subwoofer?

A3: Yes — it can be bridged to power subwoofers or used in full speaker setups.

Q4: Does it include a bass knob?

A4: It’s bass remote ready — a compatible wired bass knob can be connected (sold separately).

Q5: What wiring is recommended?

A5: Recommended to use 4 AWG power and ground wiring for proper current delivery and performance.


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