Rockford Fosgate Power Series T500-1BDCP 500 Watt Monoblock Amplifier

The Rockford Fosgate Power Series T500-1BDCP is a 1-channel monoblock amplifier built for dedicated subwoofer duty, leveraging a proprietary Constant Power configuration to deliver up to 25% more power across impedance loads. Designed for under-the-seat installations, it can drive two 4-Ohm DVC subs with clean, muscular bass.

• Power output and impedance: 300W RMS @ 4Ω, 500W RMS @ 2Ω and 500W RMS @ 1Ω; Dynamic Power 328W @ 4Ω, 537W @ 2Ω, 707W @ 1Ω, providing strong bass presence with headroom across loads.
• Constant Power configuration: proprietary topology that maintains more consistent output as speaker impedance changes, improving perceived bass punch across install conditions.
• Class BD / MOSFET output stage: efficient, rugged amplification with precise control of the subwoofer cone for tight, responsive bass.
• Filters and crossover: 24dB/Octave Butterworth low-pass crossover 35–250 Hz plus infrasonic filter -3dB at 28 Hz (12dB/Octave); shapes bass response and helps prevent ultra-low frequency cone overextension.
• Inputs/Outputs: 1 RCA input pair and 1 RCA pass-thru; low-level signal path preserves fidelity from head unit to woofer; optional remote Punch Bass EQ.
• Power connections and wiring: 4 AWG power/ground connectors; speaker wire gauge 8–18 AWG; screw terminal barrier strip for solid, low-resistance connections.
• Cooling and protection: convection heatsink with thermal protection for stable performance in compact, under-seat installs.
• Specifications and compliance: CTA-2006 compliant; efficiency 86.2% @ 4Ω, 82.3% @ 2Ω, 73.4% @ 1Ω; THD+N <1% across loads; operating voltage 9–16 VDC; recommended fuse 80 A; average current draw 35 A @ 13.8V; max 70 A.
• Physical: dimensions 2.14" x 8.14" x 11.41" (H x W x D); shipping weight 13.39 lb.
• Warranty and compatibility: 2-Year Warranty; CTA-2006 Compliant.

In real-world installs, this amplifier provides reliable, high-efficiency subwoofer power with headroom for loud, clean bass. Its Constant Power design ensures consistent output as sub impedance shifts, while the infrasonic and low-pass filters keep bass tight and controlled. Ideal for under-the-seat builds driving two 4-Ohm DVC subs, the T500-1BDCP pairs robust power with precise control in a compact package.