Hertz DBX 30.3 12" 4-Ohm Subwoofer Enclosure Double DIN Head Units AV input and output connections

AV input and output connections also allow it to work within a broader vehicle multimedia setup

and the design is described as waterproof

The XE12SV is rated for 225 watts RMS and 800 watts maximum power handling

1A per port

The Crunch CS525CX is a 5

Hertz DBX 30.3 12" 4-Ohm Subwoofer Enclosure Double DIN Head Units AV input and output connectionsThe Hertz DBX 30. 3 is a passive 12 inch subwoofer enclosure designed to add low frequency output to a car audio system without requiring a custom built box. Its factory enclosure helps simplify a bass upgrade where available trunk or cargo space is limited. It is intended for use with an external amplifier matched appropriately to its 4 ohm load and 250 watt continuous power rating. This enclosure is suited to listeners who want a dedicated bass