Description

DS18 X4
Power Specifications
| Category | Specification |
|---|---|
| SKU | X4 |
| Amplifier Class | Class D / Digital |
| Channels | 4 |
| Total Peak Power | 1320 W |
| RMS Power @ 2 Ohm | 140 W × 4 CH |
| RMS Power @ 4 Ohm | 70 W × 4 CH |
| RMS Power @ 4 Ohm (Bridged) | 220 W × 2 CH |
| Frequency Response | 20 Hz – 20 kHz |
| Signal-to-Noise Ratio | > 90 dB |
| Selectable Crossover | LPF / FLAT / HPF |
| Fixed LPF Frequency | 80 Hz |
| Low Level Input Range | 0.2 – 5 V |
| Input Configuration | 2 CH / 4 CH |
| LED Indicators | Power / Protection |
| Minimum Impedance | 2 Ohm |
| Power Input Size | 12 GA |
| Fuse Rating | 45 A |
| Thermal Protection | Yes |
| Overload Protection | Yes |
| DC Output Protection | Yes |
| Short Circuit Protection | Yes |
| Voltage Input Protection | Yes |
| Heatsink Length | 4.75 in |
| Dimensions (L × W × H) | 5.54 × 3.24 × 1.37 in |
| Compact Size | Yes |
| Four-Layer Stable Design | Yes |
| Surface Mount Components | Yes |
| Audio Precision Quality Control | Yes |
| 2CH / 4CH Input Selector | Yes |
Product Overview
Ultra Compact Full Range Class D 4-Channel Car Amplifier 1140W
DS18’s X4 defies expectations by combining mind-blowing power with an incredibly compact design.
Featuring some of our smallest dimensions for an amplifier, DS18’s X4 effortlessly finds its place in even the tightest of spaces. Imagine the possibilities: you can now install multiple X series amps in any of your custom builds, daring you to complete the audio system of your dreams, all securely tucked away. Embrace your sound without compromising on size or power.
Don’t let its size deceive you. The X4 delivers an astonishing amount of power for its compact size, making it an exceptionally versatile amplifier suitable for a wide range of applications. DS18’s X4 unleashes an astonishing output of 70W RMS x 4 channels at 4 ohm. But that’s just the beginning. When Bridged at 4-ohm, the X4 releases an even mightier performance—220W RMS x 2 channels. Enough pure power to bring your music to life with unparalleled vitality.
Experience the peace of mind that comes with the X4’s stability and reliability. This amplifier is built to endure, with a four-layered traces PCB design, surface mount component technology, and audio precision quality control verification. DS18 leaves no stone unturned when it comes to ensuring top-notch performance.
With easily adjustable filters, the X4 makes it a breeze to fine-tune your audio system. Effortlessly achieve the perfect balance for your mids and tweeters with the X2’s easily adjust LPF/FLAT/HPF filters, resulting in an immersive audio experience tailored to your unique preferences.
DS18’s X4 is a gateway to audio excellence — taking you on a journey you’ll never want to end.

























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