DS18 G4000.5D Full-Range Class D 5-Channel Amplifier
4000 Watts
DS18’s GEN-X Series has a successor, which we would love to introduce. This time, new options with the G series G4000.5D: a car audio amplifier equipped with all the special benefits you expect from DS18’s components!
The experts at DS18 have redesigned the renowned GEN-X series to surpass the expectations of the competitors and enthusiasts in our community looking to complete the system of their dreams.
Our GEN-X Series amplifiers deliver massive amounts of power with unmatched reliability and efficiency so you can trust the heart of your system will never give out.
As a Class D amplifier, the GEN-X series uses power transformers significantly smaller than your average amplifier, making it the perfect size for any vehicle’s custom build: but, what it lacks in size it makes up for in power.
The G4000.5D has a power output of 420W x 2 CH bridged at 4-ohms, 220W x 4 CH at 2-ohms, 130W x 4 CH at 4-ohms: perfect power settings to supercharge any custom build.
Order the G4000.5 to boost your car’s audio today!
Highlights
- Small and powerful design so you can power your subs with great efficiency and power without taking up much space
- Integrated low pass and high pass filter to help you get the perfect response you are looking for.
- High quality terminals that look great and will transfer your power and signal with no loss.
- Included remote knob and cable for fast and easy line attenuation.
- High level inputs for seamless factory integration.
Great For
- Car Audio
- Pro Audio
- Motorcycles
- Hi-Fi installation
- Off-Road
- DIY Projects





Technical Details
| SPECIFICATIONS |
| POWER |
|
| Total Watts (Peak) |
4000W |
| RMS Power @ 4 ohm |
4 x 130W / SUB: 300W |
| RMS Power @ 2 ohm |
4 x 220W / SUB: 600W |
| RMS Power @ 1 ohm |
SUB: 900W |
| RMS Power @ 4 ohm Bridge |
2 x 420W |
| AUDIO |
|
| Frequency Response |
20Hz-20Khz |
| Signal to Noise Ratio |
>90dB |
| Efficiency @ 4ohm |
0.83 |
| Damping Factor |
78 |
| Input Impedance |
22K |
| Channel Separation |
55dB |
| Total Harmonic Distortion (THD) |
0.0001 |
| Low Level Input Range |
0.25-6V |
| High Level Input |
No |
| Selectable X-Over |
HPF/LPF |
| X-Over Filter Range |
HPF:10-250Hz / LPF:50-250Hz |
| Bass Boost Range |
0-12dB |
| Bass Boost Frequency |
Fixed @ 45Hz |
| Infrasonic Filter |
10-50Hz |
| Phase Selector |
No |
| FEATURES |
|
| Amplifier Class |
Digital (D) |
| Amplifier Type |
5CH Full Range |
| Number of Channels |
5CH |
| Minimum Impedance |
2ohm St / 4ohm Bridge / 1ohm Sub |
| Led Indicator |
Power / Protection / Clip |
| Power Input Terminal Size |
4ga |
| Fuse Size |
160A |
| Remote Level Control |
Yes |
| Cooling Fan |
No |
| Voltmeter |
No |
| Thermal Protection |
Yes |
| Over-Load Protection |
Yes |
| DC Output Protection |
Yes |
| Short Circuit Output Protection |
Yes |
| Voltage Input Protection |
Yes |
| Clipping Protection |
Yes |
| Body Color / Finish |
Matte black |
| MEASUREMENT |
|
| Overall Length |
12.8" / 325mm |
| Overall Wide |
4.72" / 120mm |
| Overall Height |
1.96" / 50mm |
| Heatsink Length |
10.9" / 278mm |
| Gross Single Unit Weight |
2.2KG |