All the functions have been bench tested and are in excellent working condition. The purchase includes the subwoofer amplifier as shown only. The subwoofer amplifier has some scuffs, scratches and other signs of normal use. No other accessories are included unless shown in the photos. Please view the photos as they are part of the description.
The Rockford Fosgate Prime R750-1D
is a compact Class-D mono subwoofer amplifier delivering 750 Watts RMS at 1-ohm (250W 1 @ 4-ohm; 500W
1 @ 2-ohm). It features a 12 dB/octave low-pass crossover, onboard Punch EQ bass boost, and a wired remote level control is available but is not included.
Key Specifications:
- Rated RMS Power Output: 250W 1 @ 4-Ohm, 500W1 @ 2-Ohm, 750W1 @ 1-Ohm
- Amplifier Class: Class D
- Frequency Response: 20 Hz - 250 Hz +/-1dB
- Input Sensitivity: 150 mV to 4 V
- Crossover Filters: Variable Low-Pass (50-250 Hz, 12 dB/octave), Variable Subsonic (15-40 Hz, 12 dB/octave)
- Bass Boost: On-Board Punch EQ variable bass boost (0-18 dB @ 45 Hz)
- Signal-to-Noise Ratio: >100 dB (according to sonicelectronix.com)
- Total Harmonic Distortion (THD): < 1.0% (at 1,2, and 4 Ohms)
- Dimensions: 9-1/8" W 2" H7-3/8" D
Key Features:
- 1-Ohm Stable: Designed for high-power output at low impedance.
- CEA-2006 Compliant: Rated power is verified.
- Inputs: Preamp-level inputs and outputs; MOSFET power stage.
- Installation: 4-gauge power/ground wire recommended; 100-amp fuse (external fuse required, not included).
- Controls: Top-mounted control panel for easy access.
- Protection: Built-in short circuit protection and real-time output and power supply thermal sensing.
- Connectivity: Offers preamp-level RCA inputs and outputs for system expansion.
- Design: Features a cast aluminum heatsink for effective cooling