Hertz VENEZIA V5 5-Channel Full-Range & Subwoofer Class D Marine Amplifier, 130W RMS x 4 @ 4 ohms + 490W RMS x 1 subwoofer @ 4 ohms (78250030)

The Hertz VENEZIA V5 is a 5-channel full-range & subwoofer marine amplifier engineered for demanding boat audio systems. Its Class D architecture and purpose-designed marine construction provide controlled power delivery to compatible loudspeakers, with performance dependent on the connected load and channel configuration.

Key Features

• Hertz Advanced Class D technology with high efficiency and heat management
• Balanced differential input circuitry reduces interference susceptibility
• Built-in adjustable audio crossovers for matching subwoofers and full-range speakers
• Conformal-coated PCB protection and engineered corrosion resistance
• Thermal, short-circuit, and overload protection with auto reset
• Hi-Res Audio-oriented design and marine-grade aluminum heatsink
• Safe-Lock plug-and-play power and signal connections

Technical Specifications

• Amplifier type: Class D
• Channel arrangement: 5-Channel Full-Range & Subwoofer
• Channels: 5
• Output power ratings:
• 130W RMS x 4 at 4 ohms + 490W RMS x 1 subwoofer at 4 ohms
• 220W RMS x 4 at 2 ohms + 820W RMS x 1 subwoofer at 2 ohms
• 440W RMS x 2 bridged at 4 ohms + 490W RMS subwoofer at 4 ohms
• Maximum summed advertised power: 1700W
• Continuous RMS ratings measured at manufacturer-specified 14.4V DC
• Built-in crossover section: variable HPF/LPF and system tuning controls (model dependent)
• Input topology: balanced fully differential
• Thermal / short circuit / overload protection: included
• Marine treatment: conformal-coated circuit boards

Compatibility

• Compatible with marine audio sources and speaker systems that meet the listed electrical input and impedance requirements
• Use 12V nominal electrical configuration; do not substitute a 24V-specific amplifier variant
• Subwoofer channel output is intended for properly matched bass speakers and crossover settings

Installation & System Integration

• Choose conductor size, circuit protection, and battery capacity based on the installed system current draw
• Match each speaker or subwoofer impedance to the manufacturer load ratings, observing all bridging limits
• Mount away from standing water with suitable airflow and secure corrosion-resistant terminations
• Configure gain, filter frequencies, and any digital processing prior to high-volume operation