Pride Audio FR4000 Full-Range Monoblock Amplifier 4000W RMS
Many in-stock orders ship within 1-2 business days, but timing varies by item. Custom, built-to-order, oversized, special-order and supplier-direct products may need extra processing time. Free shipping applies to qualifying orders over $99 in the contiguous US. Approved returns may be subject to a restocking fee.
Most products are covered by the manufacturer's warranty against defects. Damage from over-powering or improper installation isn't covered — we'll help coordinate any valid claim.
Tell us your vehicle, subwoofers and electrical setup and our team will help you match the right gear. Reach out before you buy.
Subwoofer Wiring Diagram
Select your configuration to view possible wiring combinations.
Loading wiring diagrams…
Diagrams are on our wiring diagram page.
- RMS Power at 1 Ohm — 4000W
- RMS Power at 2 Ohm — 2300W
- RMS Power at 4 Ohm — 1300W
- Frequency Response — 20–17,000 Hz
- Type — full-range single-channel amplifier, stable at 1 Ohm
This Listing Includes: (1) FR4000 Full-Range Monoblock Amplifier 4000W RMS
The Pride FR4000 is a single-channel full-range amplifier and one of the most popular models in the Pride lineup. It produces 4000W at 1 Ohm, 2300W at 2 Ohm, and 1300W at 4 Ohm across a 20–17,000 Hz range, running stably into a 1 Ohm load at 14.8 volts with distortion (KNI) around 5%. A remote input-sensitivity control includes an LED indicator for the permissible distortion threshold, and the amplifier supports bridge operation. In stock and shipping free from JS Ultimate Sounds — your authorized Pride Audio dealer.
Features
- Full-range single-channel design
- 4000W RMS into 1 Ohm
- Stable at a 1 Ohm load (14.8V, KNI ~5%)
- Bridge-mode capable
- Remote sensitivity control with LED distortion indicator
Specifications
| Brand | Pride Audio |
| Model / SKU | FR.4000 |
| Type | Full-Range Monoblock (1-channel) |
| RMS Power at 1 Ohm | 4000W |
| RMS Power at 2 Ohm | 2300W |
| RMS Power at 4 Ohm | 1300W |
| Frequency Response | 20–17,000 Hz |
| Voltage | 14.8V |
| Distortion (KNI) | ~5% |
