Skip to navigation
Skip to main content 
NA-FR2500D
$399.99
The Nemesis Audio NA-FR2500D is a high-output 1-channel Full-Range Class D amplifier designed for powerful car audio systems. It delivers up to 2,500W RMS at 1 Ohm, with strong output at 2 Ohm and 4 Ohm loads. Its adjustable high-pass and low-pass filters, bass boost, and full protection system provide flexible control for demanding audio installations.
Key Specifications
| Specification | Details |
|---|---|
| Model | NA-FR2500D |
| Amplifier Type | Full-Range Class D |
| Channels | 1 Channel |
| Input Sensitivity | 200mV |
| Input Impedance | 56k Ohms |
| Signal-to-Noise Ratio | 100dB |
| Frequency Response | 10Hz–20kHz (-3dB) |
| Minimum Supply Voltage | 9V |
| Maximum Supply Voltage | 16V |
Power Output
| Load | RMS Power @ 14.4V |
|---|---|
| 4 Ohm | 2,000W RMS × 1 |
| 2 Ohm | 2,250W RMS × 1 |
| 1 Ohm | 2,500W RMS × 1 |
Crossover & Bass Controls
| Control | Specification |
|---|---|
| High-Pass Filter (HPF) | 10Hz–1kHz, -12dB/8, Variable |
| Low-Pass Filter (LPF) | 40Hz–20kHz, -12dB/8, Variable |
| Bass Boost | 0–12dB @ 50Hz |
Protection System
The NA-FR2500D includes protection against:
- Output Short
- High Supply Voltage
- Low Supply Voltage
- Thermal Protection
Product Highlights
- 2,500W RMS @ 1 Ohm
- 2,250W RMS @ 2 Ohm
- 2,000W RMS @ 4 Ohm
- 1-channel Full-Range Class D design
- Wide 10Hz–20kHz frequency response
- Adjustable HPF and LPF
- Variable bass boost up to 12dB
- 100dB Signal-to-Noise Ratio
- 200mV input sensitivity
- 56k Ohm input impedance
- 9V–16V operating supply range
- Comprehensive built-in protection system
Related products
NA-1KD
In stock
Buy nowThe Nemesis Audio NA-1KD is a high-performance monoblock Class D amplifier designed to deliver powerful, efficient bass output. With support for 1Ω, 2Ω, and 4Ω loads, adjustable low-pass filtering, subsonic filtering, and bass boost control, it provides flexible tuning for a wide range of car audio subwoofer systems.
NA-500X4D
In stock
Buy nowThe Nemesis Audio NA-500X4D is a compact 4-channel Class D amplifier designed to deliver flexible power for multi-speaker car audio systems. Its small chassis makes it suitable for installations where space is limited, while the built-in HPF/LPF controls allow flexible system tuning. The supplied product box provides the detailed specifications below.
NA-FR200X4D
In stock
Buy nowThe Nemesis Audio NA-FR200X4D is a 4-channel Full-Range Class D amplifier designed for high-output car audio systems. It delivers up to 200W RMS × 4 channels at 1Ω, with bridged operation supporting up to 400W RMS × 2 channels at 2Ω. Variable high-pass and low-pass filtering, bass boost, smart cooling, and built-in protection provide flexible system tuning and reliable operation.
FIERCE-3.5KD
In stock
Buy nowThe Nemesis Audio FIERCE-3.5KD is a high-output Class D monoblock amplifier designed for powerful subwoofer applications. It delivers up to 3500W MAX / 1750W RMS at 1 Ohm, with strong output at 2 Ohm and 4 Ohm loads. The amplifier also features adjustable crossover control, bass boost, a wide gain range, and an included bass knob for precise low-frequency tuning.
NA-2.5KD
In stock
Buy nowThe Nemesis Audio NA-2.5KD is a high-output Class D monoblock amplifier delivering up to 2,500W MAX / 1,176W RMS at 1 Ohm. It is designed for powerful low-frequency applications, with adjustable LPF and subsonic filtering, bass boost control, and a compact chassis suitable for high-performance car audio installations.
NA-3000.1KOR
In stock
Buy nowThe Nemesis Audio NA-3000.1KOR is a high-output 1-channel Class D monoblock amplifier from the Korean Amplifier series. It delivers 3,000W RMS at 1Ω, with 2,200W RMS at 2Ω and 1,500W RMS at 4Ω. The amplifier is designed for powerful subwoofer systems and includes adjustable low-pass and subsonic filtering, bass boost, remote gain control, and 0-gauge power/ground connections.
NA-BZ12000D
In stock
Buy nowThe Nemesis Audio NA-BZ12000D is a high-output 1-channel Mono Full Range Class D amplifier built for extreme-power car audio systems. It delivers up to 12,000W RMS at 1Ω, with 1Ω-stable operation, adjustable low-pass and subsonic filtering, bass boost, and a wide 10Hz–20kHz frequency response. The specifications below are taken from the supplied product packaging and cross-checked with the manufacturer.