Hertz SP 4.900 4-Channel Marine Amplifier 1000W Class D for Car Boat Motorcycle

Hertz SPL Show SP 4.900 D-Class 4 Channel Amplifier 250 WRMS x 4 at 2Ω (IP55 Rated)

Hertz SPL Show Series SX-165-NEO 6.5" Two-Way SPL Coaxial Speakers with Neo Magnets and UV/Waterproofing

Hertz SPL Show Series SX-690-NEO 6x9 Three-Way SPL Coaxial Speakers with Neo Magnets and UV/Waterproofing