Hertz Marine HEX 4 C-C 4 Inch 2 Way 4 Ohm Coaxial Speakers 30w RMS

The Hertz Marine HEX 4 C-C is a 4 inch (102 mm) 2-way coaxial marine speaker rated at 30W RMS (60W peak) at 4 ohms, fitted with a Black Classic sound-transparent grille. It is IP65 rated and part of the Hertz Marine HEX range, suited to consoles, cabins, T-tops and secondary listening positions where space is limited.

This listing is the Black Classic (C-C) grille version. The HEX 4 is also available with a White Classic grille (HEX 4 C-W).

Key specifications

• Size: 4 inch (102 mm) 2-way coaxial
• Power: 30W RMS, 60W peak
• Impedance: 4 ohms
• Mounting depth: 52.3 mm (2.06 in)
• Frequency response: 100 Hz – 20 kHz
• Protection: IP65, ASTM-D4329 UV, ASTM-B117 salt fog
• Grille: Black Classic, twist-and-lock

Hertz Marine HEX 4 C-C

102 (4) mm (in.) | 52.3 (2.06) mm (in.) | Coax | 60 W | 4 Ohm

The HEX 4 C-C is a compact 4-inch coaxial speaker from the Hertz Marine HEX range, designed to deliver premium sound quality where installation space is tight. It suits consoles, cabins, T-tops and secondary listening areas, sharing the same acoustic signature and build quality as the wider HEX marine line.

The Black Classic sound-transparent grille uses a twist-and-lock mounting system, making it a tidy fit in dark-finished marine interiors.

Features

• Hertz Pure Marine Certified™ — IP65 water protection, UV resistance to ASTM-D4329, and salt fog resistance to ASTM-B117.
• High-efficiency tweeter designed using FEM simulation, optimised for wide off-axis dispersion and clear detail in typical in-boat listening positions.
• Black Classic sound-transparent grille with twist-and-lock mounting for secure protection against impacts and vibrations.
• Compact 4" woofer with a 25 mm (1") voice coil, tuned for infinite baffle marine installations and balanced mid-bass in tight spaces.
• Sealed integrated crossover with resettable solid-state tweeter protection for long-term reliability in marine conditions.
• Nickel-plated corrosion-resistant terminals for secure connections in humid and salt-rich environments.