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Hertz MP300D4

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Hertz MP300D4

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270,00 €
Subwoofer Alta Gama 12"
Alta Calidad
Subwoofer 300mm - 12"
600 Watios RMS
1.200 Watios Max
Doble Bobina de 4 Ohm
Configurable a 8 y 2 Ohm
Sensibilidad 86 dB
Chasis de Aluminio



MP 300 D4.3 PRO


Outstanding performance in a compact size, this is the target of Mille Pro car audio subwoofers. On the strength of its know-how acquired with Mille Legend, the R&D team has optimized the production process to offer the “Hertz Sound Experience” to a wider audience using part of the technologies and materials of the flagship line.  The MP 300 D4.3 cone is made by pressing paper pulp with the injection of mineral powders, the same construction technique used for Legend. The V-cone® profile increases rigidity, allowing the cone to function like a piston. Surround materials consist of high-purity IIR-butyl rubber. Like the Legend ML2000.3 and ML2500.3, the Mille PRO subwoofers are built with Boundary Free Surround technology allowing for a greater emission surface with equal diameter, generating higher sound pressure. The compact 6-spoke aluminum alloy anti-resonant basket is the same as the top model ML 2500.3 and contributes to the subwoofer’s mechanical damping, being absolutely transparent to the sound.  The 65-mm 4-layer voice coil is higher than 60 mm and wound in a TIL-P former, thus delivering high linear displacement. The 4 Ω + 4 Ω DVC impedance configuration improves versatility to match any amplifier system. The air cooling and decompression system avoids the need for a centre hole on the bottom plate with three advantages:

Better thermal inertia to ensure low operating temperatures during musical transients;
Maximization of the magnetic field induced to the coil with the same overall motor dimensions. Thanks to a greater amount of iron in the pole the likelihood of magnetic saturation decreases exploiting the maximum flux density generated from the magnet;
- Possibility to install the subwoofer right on the box wall, taking full advantage of its minimal dimensions. A damping rubber disk, provided with the product, secures the subwoofer to the box and ensures air exchange for the 10 vents on the bottom.

The holes behind the voice coil winding and the 10 vents on the bottom plate ensure greater air exchange to the coil inner layers and work in synergy with an innovative assembly system. It forces the air to pass through the air gap to keep the coil operating temperature low, even with the most extreme musical programs. The terminal uses solid push connectors with an antishort circuit cover accepting cables up to 8 AWG to provide ultra-low wiring resistance in low impedance configurations (1ohm).

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The optional MPG 300 Hertz Mille PRO subwoofer grille is made of die-cast aluminium, featuring diamond-cut aluminium Hertz logo.



Full metal sturdy structure composed by a solid cast aluminium ring and a steel mesh black grille featuring an elegant diamond-cut Hertz Logo Mounting screws totally hidden for a superior integration within the car cabin.

Data table

Size mm (in.) 300 (12)
Power Handling - Peak W 1200
Power Handling - Continuous W 600
Impedance 4+4
Sensitivity dB SPL 86
Voice coil Ø mm (in.) 65 (2,5)
Xmax mm 17
X-mech mm (in.) ±27 (1.06)
Re 1,9 (coils in PARALLEL)
Fs Hz 24
Vas l 74
Qts 0,42
Qes 0,45
Qms 5,9
Spl dB 86

Información adicional

Marca Hertz
Tipo Class Digital, Competicion, High Quality, Profesional
Dimensiones Altavoz 12"
Potencia 400-800 Watios

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