- OPEN BOX: In perfect working condition Has been tested Has been mounted Small scratches in multiple spots (see pics #3-6) Box has been opened (see pic #2) Open-box items are not subject to returns. They are sold "As Is". All requests for returns will not be accepted.
- HIGH-OUTPUT 4 CHANNEL POWER: DS18 G8400.4D delivers up to 4 x 1000W RMS at 2 ohms and 2 x 1700W RMS bridged at 4 ohms for powerful full-range performance in demanding car audio systems.
- COMPACT CLASS D DESIGN: Built with efficient Class D technology and a slim chassis, this amplifier fits more easily into tight install locations without sacrificing serious output.
- FULLY ADJUSTABLE CROSSOVERS: Variable high-pass, low-pass, and full filter settings let you fine-tune your system for cleaner mids, highs, and overall better sound control.
- BUILT-IN PROTECTION FEATURES: Thermal, overload, short circuit, DC output, voltage input, and clipping protection help keep your amplifier and connected equipment safer during aggressive use.
- LED STATUS INDICATORS: Power, protection, and clip LEDs give you quick visual feedback so you can monitor amplifier performance and avoid pushing your system too far.
- GREAT FOR CAR AUDIO OR PRO AUDIO: Designed for high-output speaker systems, the G8400.4D is a strong choice for loud daily builds, demo setups, and pro audio applications.
DS18 Car Audio 4-Ch Full Range Amplifier 8400 Watt Class D G8400.4D OPEN BOX
In perfect working condition
Has been tested
Has been mounted
Small scratches in multiple spots (see pics #3-6)
Box has been opened (see pic #2)
Open-box items are not subject to returns. They are sold "As Is". All requests for returns will not be accepted.
This Listing Includes:
- (1) DS18 4 Channel Amplifier G8400.4D
The DS18 GEN-X G8400.4D is built for serious systems that demand big power in a compact footprint. Designed for loud, high-output car audio and pro audio setups, this 4-channel Class D amplifier delivers strong multi-channel performance with the control you need to fine-tune your system. With up to 4 x 1000 watts RMS at 2 ohms and 2 x 1700 watts RMS bridged at 4 ohms, the G8400.4D is ready to drive mids, highs, or other full-range speakers with authority.
The return of DS18’s GEN-X Series brings improved performance, flexible compact installation, and smart protection features to help keep your system playing hard. Fully adjustable high-pass, low-pass, and full filters let you dial in your setup for cleaner output, while power, protection, and clipping LEDs help you monitor performance in real time. Its stable digital circuit design and built-in protection systems make it a strong choice for daily drivers and aggressive demo builds alike.
If you need a powerful, compact 4-channel amplifier that can get loud and stay controlled, the DS18 G8400.4D is a serious contender for your next build.
Features
- 4-channel full-range Class D amplifier
- 8400 watts max power
- 4 x 700 watts RMS at 4 ohms
- 4 x 1000 watts RMS at 2 ohms
- 2 x 1700 watts RMS bridged at 4 ohms
- Fully adjustable HPF / LPF / Full crossover filters
- Compact chassis for easier installation
- Surface mount component technology
- Audio precision quality control verification
- Stable and reliable digital circuit design
- Power, protection, and clipping LED indicators
- High and low voltage protection
- Great for car audio and pro audio applications
Specifications:
- Total Watts (Peak): 8400 Watts
- RMS Power @ 4 OHM: 4 x 700 Watts
- RMS Power @ 2 OHM: 4 x 1000 Watts
- RMS Power @ 4 OHM Bridge: 2 x 1700 Watts
- Frequency Response: 20Hz - 20KHz
- Signal To Noise Ratio: >90dB
- Efficiency @ 4 OHM: 80%
- Damping Factor: 78
- Input Impedance: 22 K
- 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: 50Hz - 250Hz
- Amplifier Class: Digital (D)
- Amplifier Type: 4CH Full Range
- Number Of Channels: 4
- Minimum Impedance: 2 Ohm / 4 Ohm Bridged
- Led Indicator: Power / Protection / Clip
- Fuse Size: External 240A
- Remote Level Control: N/A
- 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
Dimensions:
- Overall Length: 14.37 (365mm)
- Overall Width: 4.72 (120mm)
- Overall Height: 1.96 (50mm)
- Heatsink Length: 12.51 (318mm)
- Unit Weight: 5.73 lbs (2.6 kg)
Accepted Payment Methods at Big Jeff Audio
At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:
Credit and Debit Cards
- Visa
- Mastercard
- American Express
- Discover
- Diners Club
Digital Wallets
- Amazon Pay
- Apple Pay
- Meta Pay (formerly Facebook Pay)
- Google Pay
- Shop Pay
- PayPal
International Payment Methods
Bank Transfers
Financing Options
We also offer financing options to make purchasing easier. Learn more about our financing options here.
- Klarna
- Affirm
- Sezzle
- Snap
- Acima
- Tiptop
If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.
Shipping Options and Delivery Time
Do You Offer Expedited Shipping?
Yes! At checkout, you can select from different shipping options:
- Standard Shipping: Free for orders over $100.
- Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.
How Long Does Delivery Take?
- Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
- Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.
What Happens If My Package Is Undeliverable?
If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.
Why Can’t I Track My Order?
If you're having trouble tracking your order:
- Make sure you’ve received the shipping confirmation email with the tracking number.
- Log into your account on our website and use the “Check Your Order Status” button.
- If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.
