Skip to navigation
Skip to main content 
NANO-1800X4D
$289.99
The Nemesis Audio NANO-1800X4D is a compact 4-channel Full-Range Class D amplifier designed to deliver high output in a space-saving chassis. It provides up to 225W RMS × 4 channels at 2Ω and supports 450W RMS × 2 channels when bridged at 4Ω. Its selectable 2CH/4CH input mode, adjustable input sensitivity, and crossover controls make it suitable for a variety of multi-channel car audio installations. The specifications below are taken from the supplied product packaging and cross-checked with the manufacturer.
Key Specifications
| Specification | Details |
|---|---|
| Model | NANO-1800X4D |
| Amplifier Type | 4-Channel Full-Range Class D |
| Maximum Power | 1800W |
| RMS Power | 900W |
| Test Voltage | 14.4V |
| Distortion at Rated Power | <1% THD |
| Frequency Response | 40Hz–400Hz |
| Crossover Range | 20Hz–20kHz |
| Input Mode | 2CH / 4CH |
| Input Sensitivity | 0.2V–6.0V |
| Signal-to-Noise Ratio | >90dB |
| Total Harmonic Distortion | <0.3% |
Power Output
| Load | Maximum Power | RMS Power |
|---|---|---|
| 4Ω | 300W × 4CH | 150W × 4CH |
| 2Ω | 450W × 4CH | 225W × 4CH |
| 4Ω Bridged | 900W × 2CH | 450W × 2CH |
Power ratings are specified at 14.4V with less than 1% THD, as printed on the product packaging.
Crossover & Audio Controls
| Feature | Specification |
|---|---|
| Crossover Range | 20Hz–20kHz |
| Input Mode | 2CH / 4CH |
| Input Sensitivity | 0.2V–6.0V |
| Frequency Response | 40Hz–400Hz |
Product Highlights
- 4-channel Full-Range Class D amplifier
- 1800W maximum / 900W RMS total power rating
- 150W RMS × 4 @ 4Ω
- 225W RMS × 4 @ 2Ω
- 450W RMS × 2 @ 4Ω bridged
- 2CH / 4CH selectable input mode
- 0.2V–6.0V adjustable input sensitivity
-
90dB signal-to-noise ratio
- <0.3% total harmonic distortion
- Compact NANO Series chassis
- Suitable for space-conscious multi-channel installations
Dimensions
248 × 140 × 49.6mm
9.76 × 5.5 × 2.17 inches
Related products
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.
FIERCE-5KD
In stock
Buy nowThe Nemesis Audio FIERCE-3.5KD is a high-output Class D monoblock amplifier designed for powerful subwoofer and low-frequency applications. It delivers up to 3,500W MAX / 1,750W RMS at 1 Ohm, with strong output at 2 Ohm and 4 Ohm loads. Its adjustable crossover, bass boost, and included bass knob provide flexible control for tuning your system.
NA-1500.1KOR
In stock
Buy nowThe Nemesis Audio NA-1500.1KOR is a Korean-made Class D monoblock amplifier designed for high-performance car audio and subwoofer systems. It delivers 1500W RMS at 1Ω, with additional power ratings of 1100W RMS at 2Ω and 650W RMS at 4Ω. It features adjustable low-pass and subsonic filtering, bass boost, high efficiency, and a remote gain control for convenient tuning.
NA-2000.1KOR
In stock
Buy nowThe Nemesis Audio NA-2000.1KOR is a high-power 1-channel Class D monoblock amplifier from Nemesis Audio’s Korean amplifier series. It delivers up to 2,000W RMS at 1Ω, with 1,500W RMS at 2Ω and 1,000W RMS at 4Ω. The amplifier features a wide 10Hz–250Hz frequency response, adjustable low-pass and subsonic filters, bass boost control, and remote gain control. The specifications shown on your product packaging are consistent with published product specifications.