Description
Included in this kit
This bundle includes 2x Hertz HMX 7.7 S-LD-SW – 7.7" Hi-End LED Marine Coaxial Speaker, 200W Peak, 4Ω, IP65 Water-Resistant, White Sport Grille, UV & Salt Fog Certified, and a Hertz Venezia Compact V4C - 4-Channel Compact Marine Amplifier 150 W x 4 @ 2-Ohm.
2x Hertz HMX 7.7 S-LD-SW – 7.7" Hi-End LED Marine Coaxial Speaker, 200W Peak, 4Ω, IP65 Water-Resistant, White Sport Grille, UV & Salt Fog Certified - (HMX-7.7-S-LD-SW)
Hertz HMX 7.7 S-LD-SW – Premium 7.7" LED Marine Coaxial Speakers (Pair)
The Hertz HMX 7.7 S-LD-SW marine coaxial speakers deliver premium sound and unmatched durability for open-water listening. Featuring a sport-style, paintable grille with integrated LED lighting, these speakers provide high-quality audio with a modern, customizable look. Engineered with Hertz Pure Marine Certified construction, they are ready to perform season after season in the harshest marine environments.
Marine-Grade Construction
- IP65 Certified – Resistant to water and dust ingress.
- UV Resistance – ASTM-D4329 compliant for long-term exposure to sunlight.
- Salt Fog Resistance – ASTM-B117 compliant for corrosion protection in marine conditions.
- Gold-Plated Terminals – Corrosion-resistant for optimal signal transfer.
Audio Performance
- Component Type: Hi-End LED Coaxial
- Woofer: 7.7" (196 mm) polypropylene cone with UV inhibitors and co-molded Santoprene surround
- Tweeter: 1.4" (36 mm) neodymium magnet with PEI dome, faceplate, and acoustic lens for best off-axis dispersion
- Woofer Voice Coil: 1.26" (32 mm)
- Tweeter Voice Coil: 0.8" (20 mm)
- Woofer Magnet: High-density flux ferrite – 3.54" x 1.57" x 0.79" (90 x 40 x 20 mm)
- Tweeter Magnet: Neodymium – 0.78" x 0.12" (19.7 x 3 mm)
- Frequency Response: 45 Hz – 25 kHz
- Sensitivity: 91 dB SPL
- Xmech: ±0.33" (±8.5 mm)
- Xmax: 6 mm
- Re: 3.3 Ω
- Fs: 60 Hz
- Le: 0.56 mH
- Vas: 12.50 liters
- Mms: 22 g
- Cms: 0.32 mm/N
- BL: 6 T*m
- Qts: 0.72
- Qes: 0.76
- Qms: 11.8
Power Handling
- Continuous Power: 100 W RMS
- Peak Power: 200 W
- Nominal Impedance: 4 Ω
Design & Features
- Sport-style, sound-transparent grille for efficient high-frequency transfer
- Paintable grille for custom aesthetics
- Built-in LED lighting for visual enhancement
- Aramid fiber spider with silicone-insulated lead wires
- Sealed built-in crossover with resettable solid-state tweeter protection
- Optimized for infinite baffle applications
Physical Specifications
- Mounting Depth: 4.4" (113 mm)
- Overall Dimensions (W x H x D): 17.87" x 8.98" x 5.79" (454 x 228 x 147 mm)
- Weight (Each): 11.70 lbs (5.31 kg)
Sold as a Pair.
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