Hertz Mille Pro MPS 300 S4 Shallow Subwoofer

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Hertz Mille Pro MPS 300 S4 Shallow Subwoofer

The Hertz Mille Pro MPS 300 S4 is a shallow-mount subwoofer that redefines performance expectations for compact enclosures. With its impressive cone excursion and optimized design, this subwoofer delivers powerful, deep bass even in the tightest spaces, making it the perfect choice for pickup trucks and other vehicles where space is at a premium.


MPS 300 S4 shallow subwoofer has been designed to achieve exceptional performance even when there is very little space available to install the subwoofer box.

MPS 300 is optimized to work in ultra-compact sealed boxesstarting from only 22,7 Lt (0.8 Cf). A typical example is a subwoofer enclosure under the rear bench of pickup trucks, where the space - and the height - are limited.

Mille PRO subwoofer has a depth/performance ratio never achieved before thanks to the impressive cone excursion capacity which is 20% higher than a traditional design.

This exceptional target has been achieved thanks to the ingenious suspension group design featuring a dedicated support structure for the spider and coil. This solution has allowed the movement of the magnetic group inwards, reducing the depth and at the same time maximizing cone linear excursion.


Size mm (in.) 300 (12)
Power Handling - Continuous W 500
Power Handling - Peak W 1000
Impedance Ohm 4
Depth mm (in.) 88 (3.46)
Voice Coil Type single
No Filter Component Subwoofers
Voice Coil Ø 38 (1.5)
Frequency Response Hz 25 - 400
Magnet size D x d x h mm (in.) 156 x 60 x 36 (6.14 x 2.36 x 1.42)
Weight of one component kg (lb.) 6,64 (14.64)
Magnet High density flux ferrite
Cone Polypropylene
Xmech mm (in.) 20 (0.79)

Weight: 25.0 lb