Powerbass PS-12 12" Subwoofer 3001-5000 4D is a high-end 4-channel

4D is a high-end 4-channel amplifier built for serious car audio enthusiasts

the FT1 excels as a compact front-stage component in 2- or 3-way systems

83V: Indicates how loudly the speaker will play from a given input

Subwoofer EQ: User-Selectable

Powerbass PS-12 12" Subwoofer 3001-5000 4D is a high-end 4-channelThe PowerBass PS 12 is a 12 inch, 4 ohm subwoofer built for budget minded enthusiasts who refuse to compromise on bass quality. It carries PowerBass DNA and is optimized for both sealed and ported enclosures, delivering versatile, musical low end performance. Size: 12" woofer designed to fit standard automotive mounting applications and deliver deep, controlled bass within typical trunk depths. Nominal Impedance: 4 ohm compatible with a wide range of