The G4000.5D is engineered to elevate your system to unprecedented levels, daring you to create the system of your dreams.

We have designed the G Series to deliver nothing short of professional-grade sound reproduction. Rest easy knowing that the G4000.5D's stable and reliable Class D circuit design has undergone rigorous sound quality verification using AP Instruments.

Tune your frequencies just the way you like them with adjustable High Pass and Low Pass Filters, as well as Remote Level Control Knob offering you unprecedented control over your audio experience. Surface mount component technology gives you control in customizing the placement and design of the G4000.5D into your build. All of these tools ensure your system gets LOUD and stays there!

With power output settings of 420W x 2 CH bridged at 4-ohm, 220W x 4 CH at 2-ohm, and 130W x 4 CH at 4-ohm, the G4000.5D delivers the perfect balance of power and finesse, supercharging any custom build with ease.

Safeguard your equipment effectively with the G4000.5D's Protection, Clipping, and Power Indicator LED's. Stay informed and in control as these indicators alert you when your amplifier approaches its limit, protecting your investment and guaranteeing a long-lasting audio experience. The G4000.5D also features a host of advanced protective features, including short circuit, thermal, and voltage protection, ensuring the safety and longevity of your investment.

Designed for the enthusiast looking for a competitive edge, the G4000.5D delivers unrivaled power, precision, and efficiency, propelling your build to unprecedented heights.

• 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.

• 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

• 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
• 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

• Amplifier Class: Digital (D)
• Amplifier Type: 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
• 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

• Overall Length: 12.8" / 325mm
• Overall Wide: 4.72" / 120mm
• Overall Height: 1.96" / 50mm
• Heat-sink Length: 10.9" / 278mm
• Gross Single Unit Weight: 2.2KG

Shipping Policy

DBs Car Audio is proud to offer fast & free shipping on all items listed in our store!!

Shipping Methods and Transit Times

DBs Car Audio ships orders from our Kissimmee, Florida location. On occasion, orders will be fulfilled directly by the manufacturer or distributor in order to reduce the shipping time..

Order Tracking

Once an order has been shipped, we send our customers an email with the tracking number for the order. Click on the tracking link in the email to follow the location of the package on the carrier's website. If you did not receive a tracking number by email or need to confirm the tracking information, please contact call us at 1-800-927-9390

Signature Required

Due to the valuable contents of some shipments, DBs Car Audio will only require a signature upon delivery if the order is over $500. Such guidelines will not be overruled upon the customer's request. Please understand that this is a security measure taken by our Company to ensure the safe delivery of each package and guarantee excellent service. Many of our third-party shipping carriers and payment companies require signatures upon delivery to protect against fraud and theft. Customers may request a signature upon delivery by emailing us at dbscaraudiofl@gmail.com.

Shipping Policy Disclaimer

Delivery estimates do not apply to items shipped directly from the manufacturer, nor out-of-stock items. Some items that ship from the manufacturer can only be delivered to addresses within the 48 continental states.

Standard delivery time for domestic customers will average from 2-4 business days, but can take longer in some cases. Saturday, Sunday and national holidays are not considered business days for delivery purposes.

Our Shipping Guarantee applies only to shipments delayed due to our service failure. We will not guarantee shipments that are delayed due to an act of god (ex: weather), a catastrophic event, or failure by our delivery partners. Our guarantee is also voided if incorrect billing or shipping information is given and results in your order being delayed to its destination. Our guarantee is also void if no one is available to sign for shipment when delivery attempt is made if a signature is required.