Skip to navigation
Skip to main content 
UM-1200X4D
$239.99
The Nemesis Audio UM-1200X4D is a compact 4-channel Ultra Micro Class D amplifier designed for installations where space is limited without sacrificing multi-channel power. It delivers up to 1200W MAX / 600W RMS, with flexible 2Ω, 4Ω, and bridged configurations.
Key Specifications
| Specification | Details |
|---|---|
| Model | UM-1200X4D |
| Amplifier Type | Ultra Micro Class D |
| Number of Channels | 4 Channel |
| Maximum Power | 1200W MAX |
| Total RMS Power | 600W RMS |
| Frequency Response | 20Hz–20kHz |
| Crossover Range | 40Hz–400Hz |
| Input Sensitivity | 0.25V–10V |
| Signal-to-Noise Ratio | >90dB |
| THD | <0.3% |
| Test Voltage | 14.4V |
| Distortion Rating | <1% THD |
Power Output
| Configuration | MAX Power | RMS Power |
|---|---|---|
| 4Ω | 200W × 4CH | 100W × 4CH |
| 2Ω | 300W × 4CH | 150W × 4CH |
| 4Ω Bridged | 600W × 2CH | 300W × 2CH |
The manufacturer specifies these output ratings at 14.4V and below 1% THD. Nemesis Audio
Crossover & Controls
| Feature | Specification |
|---|---|
| Front Crossover | HPF / FULL / LPF |
| Rear Crossover | HPF / FULL / LPF |
| Crossover Range | 40Hz–400Hz |
| Front Gain | MIN–MAX |
| Rear Gain | MIN–MAX |
| Input Mode | 2CH / 4CH |
| RCA Inputs | Front L/R & Rear L/R |
| Power/Protection Indicator | PWR / PRT |
The supplied amplifier images also clearly show separate front and rear crossover controls, individual gain controls, four RCA inputs, and selectable 2CH/4CH input mode.
Product Highlights
- 1200W MAX / 600W RMS
- 4-channel Class D architecture
- 100W × 4 RMS @ 4Ω
- 150W × 4 RMS @ 2Ω
- 300W × 2 RMS bridged @ 4Ω
- Ultra-compact chassis design
- Front and rear independent gain controls
- Front and rear HPF/FULL/LPF crossover selection
- 2-channel or 4-channel input mode
- Wide 20Hz–20kHz frequency response
- Low <0.3% THD
- Signal-to-noise ratio greater than 90dB
Dimensions
6.76 × 3.33 × 1.60 inches
171.7 × 84.4 × 40.5 mm
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-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-1000.1KOR
In stock
Buy nowThe Nemesis Audio NA-1000.1KOR is a Korean-made Class D monoblock amplifier designed for high-output subwoofer applications. It delivers up to 1100W RMS at 1 Ohm, with strong performance at 2 Ohm and 4 Ohm loads. The amplifier features adjustable low-pass and subsonic filtering, bass boost, high efficiency, and a remote gain control for convenient adjustment.
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-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.