Description
The Rockford Fosgate Prime R500X1D is a 500-watt mono Class-D amplifier designed to power a dedicated subwoofer system. It delivers 300 watts RMS at 4 ohms and 500 watts RMS at 2 ohms, with an efficient Class-D design, MOSFET power supply, cast aluminum heatsink, and built-in thermal, over-current, and short-circuit protection.
For system tuning, the R500X1D features Punch Bass with up to +18 dB boost at 45 Hz, 0°–180° phase control, and an adjustable 50–250 Hz low-pass crossover. The included remote Punch Level Control provides convenient subwoofer level adjustment from the listening position.
High-level and RCA inputs provide flexible system integration, while RCA pass-thru outputs make it easy to add another amplifier. The R500X1D also features 4 AWG power/ground connections, 8 AWG speaker connections, and CTA-2006-compliant power ratings.
Specifications
Channels: 1
Total Rated Power: 500 Watts RMS
Rated Power @ 4 Ohms: 300 Watts RMS x 1
Rated Power @ 2 Ohms: 500 Watts RMS x 1
Dynamic Power @ 4 Ohms: 333 Watts x 1
Dynamic Power @ 2 Ohms: 647 Watts x 1
Circuit Topology: Class D
Frequency Response: 20 Hz–250 Hz, +/-1 dB
Efficiency: 89% average @ 4 Ohms
THD + Noise: <1.0% @ 4 Ohms / <1.0% @ 2 Ohms
Input Sensitivity: 150 mV–4 V
Punch Bass: Up to +18 dB @ 45 Hz
Phase Control: 0°–180°
Low-Pass Crossover: 50 Hz–250 Hz @ 12 dB/octave Butterworth
High-Level Input: 4-pin Molex
Low-Level Input: 1 RCA pair
Signal Output: 1 RCA pair
Power Wire Gauge: 4 AWG
Speaker Wire Gauge: 8 AWG
Operating Voltage: 9–16 VDC
Recommended Fuse: 50 A (not included)
Average Current Draw: 25 A @ 13.8 V
Maximum Current Draw: 50 A @ 13.8 V
Dimensions (H x W x D): 1.98 x 6.77 x 8.5 in
Shipping Weight: 5.1 lbs. (2.31 kg)
Warranty: 1 Year
Used Frequently Asked Questions
- What does used mean? Used products may be unused customer returns that are essentially "new" items, or they may be previously installed products that were returned under warranty or during our return policy period.
- What is the warranty? All of our used items come with a 90-day warranty.
- What's it look like? All of our used items are inspected and graded by our returns team at our facilities. They will test them and grade them to one of four standard gradings: Used Open Box, Used Very Good, Used Good, and Used Acceptable. Please see the following descriptions of each grade - also note that if an item falls under ANY of the criteria for a certain grade, even though the rest of the product is better, we will give it the lowest grade.
- Used Open Box An item in perfect working condition. Original protective wrapping may be missing, but the original packaging is intact and in good condition with minor damage possible. Instructions are included.
- Used Very Good A well-cared-for item with limited use, remains in good working condition. The item may show some limited signs of wear,small scratches,cosmetic blemishes. Item may arrive with damaged packaging or be repackaged and could be missing some accessories.
- Used Good The item shows wear from use, remains in good condition and functions properly. May have damaged packaging or be repackaged. It may be marked, have identifying markings on it, have minor cosmetic damage. It may be missing some parts or accessories.
- Used Acceptable The item is fairly worn but continues to function properly. While repackaged; signs of wear can include aesthetic issues; scratches, dents. The item may have markings on it or show signs of previous use. Item may be missing some parts or accessories.
- Have more questions? Call us, send us a chat, or an email. We'll be able to answer any additional questions you may have.