Hertz ESF20.5 Energy 600W 8 Inch Subwoofer

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SKU:ESF20.5


The Energy ES F20.5 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.

Data table

Power Handling - Peak W600
Power Handling - Continuous W200
Impedance ?4
Frequency response Hz32 / 400
Sensitivity dB SPL93
Voice coil mm (in.) 38 (1.5)
Xmax mm5
X-mech mm (in.)12 (0.47)
Re ?2,9
Fs Hz52
Vas l13,2
Qts0,4
Qes0,46
Qms3,38
Spl dB93

More Information

More Information
Woofer Diameter (mm) 200mm
Woofer Diameter (Inch) 8 Inch
Mounting Diameter 181mm
Shallow Mount No
Woofer Mounting Depth 72mm
RMS Power 200WRMS
Voice Coil Single Voice Coil
Impedance 4 Ohm
Sensitivity (dB) 93dB
Frequency Response 32Hz - 400Hz
Sealed Box Volume 0.25 cu/ft (7-litres)
SKU ESF20.5
Brand HERTZ

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