Cerwin-Vega VS12SH 12" Passive Spare Tire Subwoofer Audiovox The DR-3725-1D can serve as

The DR-3725-1D can serve as the bass channel in a system with an aftermarket receiver or other source unit that provides RCA outputs

Both RCA low-level and high-level speaker inputs are provided

Mono Class D Design: Dedicated single-channel amplification for a subwoofer-focused car audio system

outboard processors

Cerwin-Vega VS12SH 12" Passive Spare Tire Subwoofer Audiovox The DR-3725-1D can serve asThe Cerwin Vega VS12SH is a passive spare tire subwoofer system designed to add low frequency output without taking up conventional cargo area space. It mounts in the spare tire well, making it a practical option for vehicles where a box enclosure would limit usable trunk room. An external amplifier is required because this is a non amplified subwoofer. This model is intended for drivers who want to improve bass response while retaining a discreet,