Gravity GR-15PW 15" Dual 4-Ohm Car Subwoofer 5x7 Inch Speakers The Gravity G3-15D2 is a

The Gravity G3-15D2 is a 15-inch car audio subwoofer made for systems that need dedicated low-frequency output beyond what full-range speakers can reproduce

the APK 165 is suited to systems using an appropriate external amplifier or compatible amplified source

and an externally fused battery connection

A variable bass boost of up to +12 dB at 50 Hz provides an additional tuning option when system design calls for more low-frequency emphasis

Matching amplifier output carefully to the RMS rating is the practical way to use its stated power capability

Gravity GR-15PW 15" Dual 4-Ohm Car Subwoofer 5x7 Inch Speakers The Gravity G3-15D2 is aThe Gravity GR 15PW is a 15 inch car audio subwoofer built for systems that need dedicated low frequency output. Its large driver format is intended to move substantial air while adding bass impact beyond typical factory speaker systems. It is suited to vehicle audio upgrades where an external amplifier and subwoofer enclosure are part of the build. This model uses dual 4 ohm voice coils, giving installers wiring flexibility when matching the