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Hertz Energy Black Car Subwoofer - ES F30.5

Abt Model: ESF305
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Product Details

Hertz Energy Black Car Subwoofer - ES F30.5

The Energy ES F30.5 car audio subwoofers is the ideal solution for those who look for a subwoofer of compact size, yet providing powerful and engaging sound. At its highest excursion point, the Ultra Flat profile reaches 85 mm (3.34 in.) height for the ES F20.5 subwoofer, 94 mm (3.7 in.) height for the ES F25.5 subwoofer and  106 mm (4.17 in.) for the ES F25.5 subwoofer.

Care has been put into every detail of the design and building of these subwoofers, to ensure high mechanical quality as well as efficient thermal capability, to the benefit of bursting dynamics and startling power handling. Robust ferrite magnet motor assembly, pressed-paper cone, Back Vented Spider Support and copper voice coil, wound on aluminium former, are only some of the unique features of the Energy Flat subwoofers.

The linear and solid design of the Energy, ES F20.5, ES F25.5 and ES F30.5, is enhanced by the ultra flat profile as well as by the Hertz logo on the dust-cap, making their cosmetics suitable to any installation.


  • Ultra Flat design, for maximum installation flexibility.
  • Massive motor assembly, for perfect control under high power, high excursion conditions.
  • Water-repellent pressed paper cone.
  • Copper voice coil, wound on aluminium former, for startling thermal and mechanical capacity.
  • Air decompression system based on ducts under the dust-cap, for perfect symmetry under high excursion and enhanced thermal dissipation.
  • Wide-wave, resin-bonded fibre spider for mechanical reliability and consistent parameters.
  • High current, tin-plated terminals.
  • Silver plated lead wires, for maximum reliability and conductivity.
  • Basket and motor coupled and damped through special epoxy glue.
  • High thermal dissipation and magnetic permeability plates, providing constant, even flux.


  • Size mm (in.): 300 (12)
  • Power Handling - Peak W: 1050
  • Power Handling - Continuous W: 350
  • Impedance Ω: 4 
  • Frequency response Hz: 27 ÷ 250
  • Sensitivity dB SPL: 93.5
  • Voice coil Ø mm (in.): 60 (2.36)

Approximate Weight

  • Unit: 8.05 lbs
  • Shipping: 10 lbs
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Key Features
Ultra Flat Design/ Massive Motor Assembly/ Water-Repellent Pressed Paper Cone/ Copper Voice Coil/ Air Decompression System/ Wide-Wave, Resin-Bonded Fibre Spider/ Silver Plated Lead Wires/ Black Finish
More reasons to buy the Hertz ES F30.5 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Hertz ES F30.5 is Brand New.
  • The Hertz ES F30.5 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
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