Hertz Mille MPS 250 S4 - 10" Shallow-mount subwoofer
 
How do you improve on a mature product like a subwoofer? give it to the engineers at Hertz. This revolutionary shallow-mount subwoofer is packed with brand new innovation that enabled Hertz to produce a shallow subwoofer with an extremely stable, linear, compression-free performance characteristic.

The spider and cone are mounted to an additional oversized suspension carrier while a vented former and unique air funnel ensures that cooling is efficient a without causing compression.
 
Size mm (in.): 250 (10)
Power Handling - Continuous W: 500
Power Handling - Peak W: 1000
Impedance Ohm: 4
Depth mm (in.): 83.6 (3.29)
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.): 134 x 55 x 36 (6.28 x 2.17 x 1.42)
Weight of one component kg (lb.): 5,11 (11.27)
Magnet: High density flux ferrite
Cone: Polypropylene
Xmech mm (in.): 20 (0.79)