Description
Included in this kit
This bundle includes a Hertz Venezia Compact V4C - 4-Channel Compact Marine Amplifier 150 W x 4 @ 2-Ohm, and 2x Hertz Portofino 77 XW - 7.7 Inch Flush Mount Marine Coaxial Speakers with 100W RMS, 200W Peak, 4 Ohm Impedance, and Ultra Low Profile Grille.
1x Hertz Venezia Compact V4C - 4-Channel Compact Marine Amplifier 150 W x 4 @ 2-Ohm (Venezia-Compact-V4C)
Venezia V4C compact marine amplifier features an optimized power/size ratio boosting 110 W x 4 (4Ω) and 380 W x 2 (4Ω)! Hertz Advanced Class D technology maximizes efficiency and power while minimizing heat and electromagnetic radiation - enhancing sound quality that reaches new highs with Hi-Res certification! High-powered channels with bridging capability deliver the output levels needed in the marine environment. Venezia V4C is engineered and tested for marine applications and has obtained the IPX2 certification. The Safe-Lock Input, Output, and Power connections streamline installation and enhance durability in the field. The fanless convection cooling system is integrated into the cast heat-sink chassis. The balanced fully-differential input circuitry rejects electromagnetic noise and interference. Last but not least, Venezia V4C is fully protected by short-circuit, overload, and thermal protections - with auto-resetting.
General Specs
Channels 4 - 3 - 2
POWER SUPPLY
Power supply voltage 9 ÷ 16 VDC
ldling current (power ON/OFF): 1 A / 0.04 mA
Consumption@ 1Ω, 14.4 VDC (Max Musical Power): 21 A
Remote In: 7 ÷ 15 VDC - 1 mA
AMPLIFIER STAGE
Distorsion - THD (100Hz @ 4Ω): <0,06%
Bandwidth: 10 ÷ 42 kHz
S/N Ratlo (A welghted @ 1 V): 102 dB
Damping factor (100Hz @ 4Ω) 150
Pre-ln sensitivity: 0.2 ÷ 5 VRMS
Load impedance (MIN)
@4Ch: 2Ω + 2Ω + 4Ω
@3Ch: 2Ω
@2Ch: 4Ω
Adjustable Crossovers: yes
Output Power
OUTPUT POWER (RMS) @ 14.4 VDC, THD 1%
4Ch: 110 W x 4 (4Ω)
4Ch: 190 W x 4 (2Ω)
3Ch: 110 W x 2 (4Ω) + 380 W x 1 (4Ω)
3Ch: 190 W x 2 (2Ω) + 380 W x 1 (4Ω)
2Ch: 380 W x 2 (4Ω)
Total Power RMS: 760 W
INPUTS / FILTERS
Inputs: PRE IN
Pre Out FULL range (FRONT): Yes
FRONT Ch. filters FULL: Yes
Hi-Pass : 50 ÷ 4k Hz @ dB/Oct
Lo-Pass: 50 ÷ 4k Hz @ dB/Oct
REAR Ch. filters FULL: Yes
Hi-Pass: 50 ÷ 4k Hz @ dB/Oct
Lo-Pass: 50 ÷ 4k Hz @ dB/Oct
FRONT Ch. MONO (on/off): Yes
REAR Ch. MONO (on/off): Yes
BOOST 50 Hz (adjust): (0 ÷ 12) dB
2x Hertz Portofino 77 XW - 7.7 Inch Flush Mount Marine Coaxial Speakers with 100W RMS, 200W Peak, 4 Ohm Impedance, and Ultra Low Profile Grille (Portofino-77-XW)
Portofino 77 XW 7.7 Inch Flush Mount Marine Coaxial Speaker
The Portofino 77 XW is a premium flush mount marine coaxial speaker designed to blend elegant styling with strong full range sound in luxury yacht environments. Built with marine grade materials, low profile design, and larger 7.7 inch drivers, it is intended to deliver clear highs, rich bass, and clean visual integration.
Overview
Flush Mounted Elegance for Premium Marine Audio
The Portofino 77 XW is designed for yacht owners who want both sophistication and strong audio performance. Its flush mount architecture and ultra low profile grille are intended to integrate seamlessly into refined marine interiors while delivering greater dynamics and depth from a larger 7.7 inch coaxial platform.
Hertz describes the Portofino line as where Italian elegance meets marine audio excellence, combining premium design, marine grade construction, and strong price to performance value for high end vessels.
Feature Highlights
What the Portofino 77 XW Adds to a System
Protection and Testing
Built for Real Marine Duty
The Portofino 77 XW is described as IP65 certified and water jet tested. Hertz also states the materials are UV resistant to ASTM D4329 standards and salt fog tested to ASTM B117 standards to help ensure resistance to corrosion and long term sun exposure.
- IP65 certified.
- Water jet tested.
- UV resistant to ASTM D4329.
- Salt fog tested to ASTM B117.
Fitment
Installation Dimensions
Installation dimensions are provided for overall diameter, cutout diameter, mounting depth, grille protrusion, mounting hole center diameter, and mounting hole diameter to support more accurate fitment planning.
- Overall diameter: 232 mm, 9.13 in.
- Cutout diameter: 190.5 mm, 6.73 in.
- Mounting depth: 108 mm, 4.25 in.
- Grille protrusion: 9 mm, 0.35 in.
- Mounting hole center diameter: 208 mm, 8.19 in.
- Mounting hole diameter: 4.5 mm, 0.18 in.
| Model | Portofino 77 XW |
| Brand | Hertz Marine |
| Component | Flush mount coax |
| Size | 195 mm, 7.7 in. |
| Power Handling Continuous | 100 W |
| Power Handling Peak | 200 W |
| Impedance | 4 ohm |
| Depth | 108 mm, 4.25 in. |
| Frequency Response | 45 Hz to 25 kHz |
| Tweeter Diaphragm | 36 mm, 1.4 in. |
| Woofer Voice Coil Diameter | 32 mm, 1.26 in. |
| Tweeter Voice Coil Diameter | 20 mm, 0.8 in. |
| Woofer Magnet Size | 90 x 40 x 20 mm, 3.54 x 1.57 x 0.79 in. |
| Tweeter Magnet Size | 19.7 x 3 mm, 0.78 x 0.12 in. |
| Weight of One Speaker | 1 kg, 2.2 lb. |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Polypropylene with UV inhibitors |
| Dome | PEI |
| Xmech | plus or minus 6.65 mm, 0.26 in. |
| Xmax | 6 mm |
| Re | 3.3 ohm |
| Fs | 60 Hz |
| Le | 0.56 mH |
| Vas | 12.50 l |
| Mms | 22 g |
| Cms | 0.32 mm/N |
| BL | 6 T m |
| Qts | 0.72 |
| Qes | 0.76 |
| Qms | 11.8 |
| SPL | 91 dB |
| IP Rating | IP65 |
| Overall Diameter | 232 mm, 9.13 in. |
| Cutout Diameter | 190.5 mm, 6.73 in. |
| Mounting Depth | 108 mm, 4.25 in. |
| Grille Protrusion | 9 mm, 0.35 in. |
| Mounting Hole Center Diameter | 208 mm, 8.19 in. |
| Mounting Hole Diameter | 4.5 mm, 0.18 in. |