Rockford Fosgate P1-1X10 10" Ported Loaded Subwoofer

The Rockford Fosgate P1-1X10 is a single 10-inch loaded subwoofer enclosure for adding dedicated low-frequency output to a car audio system. It combines a Punch P1S4-10 subwoofer with a prebuilt vented enclosure, eliminating the need to select and build a separate box. The enclosure presents a 4-ohm load to a compatible amplifier.

This model is suited to listeners who want a ready-to-install bass upgrade in a compact hatchback-style enclosure. Its 250-watt RMS power rating allows it to pair with an amplifier that is stable at 4 ohms and appropriately power-matched. The ported design is intended to provide strong low-frequency output while retaining the convenience of a preloaded enclosure.

The P1-1X10 uses a single-voice-coil Punch P1 10-inch woofer with a Kevlar fiber reinforced paper cone. The driver has a 4-ohm nominal impedance and is installed and wired inside the enclosure. With one external terminal connection, system wiring is straightforward once an amplifier and appropriate installation hardware are selected.

Its enclosure uses 5/8-inch medium-density fiberboard and a high-density carpet covering for automotive use. A proprietary high-flow, low-noise port is incorporated into the vented cabinet design. High-current binding posts and quick-release compression terminals provide the connection point for speaker wire.

The P1-1X10 is a practical fit for an aftermarket system using a separate mono or bridged amplifier channel rated for a 4-ohm speaker load. It is supplied as a passive enclosure, so an amplifier, power wiring, signal connection, and installation hardware are required separately. The angled enclosure profile measures 13.125 inches high by 17 inches wide by 15.125 inches deep.

Key Features

• Single 10-Inch P1 Woofer: Includes one factory-installed P1S4-10 subwoofer.
• 4-Ohm Final Load: Simplifies matching with a compatible 4-ohm amplifier channel.
• 250 Watts RMS: Supports continuous power handling up to its rated level.
• Ported Enclosure: Uses a vented cabinet for low-frequency output.
• 5/8-Inch MDF Cabinet: Provides a rigid enclosure structure for the installed woofer.
• Compression Terminals: Accept speaker wire up to 10 AWG.

Design & Installation

The enclosure is constructed from 5/8-inch MDF and covered in high-density automotive carpet. Its hatchback-style cabinet includes a high-flow, low-noise port and high-current binding posts. The loaded driver is the Punch P1S4-10 single 4-ohm voice-coil subwoofer.

Connect the amplifier's positive speaker output to the enclosure's red terminal and the negative output to the black terminal. Use an amplifier that is compatible with a 4-ohm load and power-match it to the enclosure's 250-watt RMS rating. Secure the enclosure in the vehicle, keep the port unobstructed, and route speaker wire away from high-current vehicle wiring where practical.