Gravity GW15D4 15" Dual 4-Ohm Car Subwoofer Subwoofers It accepts RCA preamp inputs

It accepts RCA preamp inputs for aftermarket receivers as well as balanced speaker-level inputs for factory systems

allowing it to serve as either a front-facing or rear-facing camera depending on installation needs

Its signal processing combines a 32-bit DSP platform with 24-bit A/D and D/A conversion and 24-bit/48 kHz fixed-point processing

Bluetooth audio streaming lets users play music from compatible smartphones or tablets without a physical audio cable

The driver is designed around sealed-box use beginning at 7

Gravity GW15D4 15" Dual 4-Ohm Car Subwoofer Subwoofers It accepts RCA preamp inputsThe Gravity GW15D4 is a 15 inch car audio subwoofer designed for systems that need dedicated low frequency reproduction. Its large woofer format is intended for custom vehicle installations using a separate enclosure and compatible external amplification. The single subwoofer package is suited to bass focused upgrades rather than full range speaker replacement. This model uses a dual 4 ohm voice coil configuration, giving an installer wiring