GEN-X Full-Range Class D 4-Channel Amplifier | 4 x 700W RMS @ 4-Ohm
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
DS18 G8400.4D Full-Range Class D 4-Channel Car Audio Amplifier 8400 Watts
The GEN-X Series returns with an extremely powerful amplifier for supercharged builds that like it LOUD!
After extensive revision, the GEN-X Series is back and better than ever! The experts at DS18 have transcended the industry standard once again with the G8400.4D: a complete redesign of the GEN-X Series amplifier!
The G8400.4D comes with variable full crossover filter for crystal clear audio whenever you want it! Fully adjustable High Pass, Low Pass, and Full Filters give you control over your sound! Surface mount component technology allows for creative control over the placement and design of your build! Protect your equipment effectively with Protection, Clipping, and Power Indicator LED’s that notify you when your amplifier has reached it’s limit!
Anyone looking to turbocharge every piece of equipment in their system is sure to be satisfied by this amplifier! The G8400.4D has power ratings of 2 x 1700 W at 4 ohms bridge, 4 x 1000 W at 2 ohms, and 4 x 700 W at 4 ohms, and 8400 W MAX for pristine power on demand!
This amplifier would be a great addition to any sound system looking to get it loud and keep it there!
Highlights:
- Compact Size For Easy Installation Anywhere
- Variable Full Crossover Filter For Crystal Clear Audio On Demand
- Fully Adjustable HP, LP, Full Filters
- Surface Mount Component Technology
- Audio Precision Quality Control Verification
- Stable and Reliable Digital Circuit Design
- Protection, Clipping, And Power Indicator LED’s
- High and Low Voltage Protection
Great For:
- Pro Audio
- Car Audio





Technical Details
| Specifications | |
| POWER | |
| Total Watts (Peak) | 8400W |
| RMS Power @ 4 ohm | 4 x 700W |
| RMS Power @ 2 ohm | 4 x 1000W |
| RMS Power @ 4 ohm Bridge | 2 x 1700W |
| AUDIO | |
| Frequency Response | 20Hz-20KHz |
| Signal to Noise Ratio | >90dB |
| Efficiency @ 4ohm | 80% |
| Damping Factor | 78 |
| Input Impedance | 22K |
| Channel Separation | 70dB |
| Total Harmonic Distortion (THD) | 0.01% |
| Low Level Input Range | 0.25-6V |
| High Level Input | NO |
| Selectable X-Over | LPF/FLAT/HPF |
| X-Over Filter Range | 50-250 Hz |
| Bass Boost Range | N/A |
| Bass Boost Frequency | N/A |
| Infrasonic Filter | N/A |
| Phase Selector | NO |
| FEATURES | |
| Amplifier Class | Digital (D) |
| Amplifier Type | 4CH Full Range |
| Number of Channels | 4CH |
| Minimum Impedance | 2 ohms St / 4 ohms Bridge |
| Led Indicator | Power / Protection / Clip |
| Power Input Terminal Size | 4ga |
| Fuse Size | 240A |
| Remote Level Control | NO |
| 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 | 14.37" / 365mm |
| Overall Wide | 4.72" / 120mm |
| Overall Height | 1.96" / 50mm |
| Heatsink Length | 12.51" / 318mm |
| Gross Single Unit Weight | 2.6KG |
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.