DS18 2x 8HD 4 Ohm/8 Ohm Waterproof 8" Hybrid Speakers with Marine 4 Ch — Big Jeff Audio Dealer Platform
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Welcome To The Dealer Platform


  • HIGH POWERED - Get intense volume and unmatched durability with DS18’s 8HD800NCFD-4; the newest addition to our line of hybrid loudspeakers with built in compression horn driver!
  • FULL RANGE - DS18’s high powered hybrid pro audio speaker combines the extreme volume of our 8” mid-ranges with built-in high wattage compression drivers for the full range of frequencies on every session
  • CRAZY LOUD - High volume 8" midrange and 3" driver rated at 400w RMS and 800 Max for crazy loud volume in a full range of frequencies
  • WEATHERPROOF - Water resistant carbon fiber cone to help battle elements and moisture making them great for motorcycles, boats, and regular vehicles too

DS18 2x 8HD Carbon Fiber Waterproof 8" Hybrid Speakers with Marine 4 Channel Amp

This Product Includes:

  • (1) (1) DS18 NVY-T800.4D Marine 4 Channel Amplifier

  • (2) DS18 8HD800NCFD-4 Waterproof 8" Mid Bass Speaker 4ohm with 3'' Driver 8ohm

DS18 8HD800NCFD-4 Speaker Specifications:


  • Hybrid design combines high wattage midrange and driver together in one beautiful frame.

  • High volume 8" midrange and 3" driver rated at 400w RMS and 800 Max for crazy loud volume in a full range of frequencies.

  • Midrange speaker is 4 ohms and driver is 8 ohms

  • 4 terminals, two for the mid and two for the driver for multiple high power wiring options

  • Water resistant carbon fiber cone to help battle elements and moisture making them great for motorcycles, boats, and regular vehicles too

  • High quality design including Diecast aluminum painted black basket with DS18 molded into the frame and high quality push terminals


  • Nominal Diameter : 8" / 203mm

  • Nominal Impedance (Woofer / Driver): 4 Ohms / 8 Ohms

  • RMS Power Handling (Combined): 400W

  • MAX Power Handling (Combined): 800W

  • Sensitivity (1w/1m) (Combined): 105dB

  • Frequency Response (Combined): 40Hz-20KHz

  • Number of Ways: 2 ways

  • Sold in Pair or Single: Single

  • Grill Included: No


  • RMS Power Handling : 250W

  • MAX Power Handling : 500W

  • Sensitivity (1w/1m) : 96.5dB

  • Frequency Response: 40Hz-10KHz

  • Recommended Band-Pass Crossover: 80Hz-900Hz

  • Voice Coil Diameter: 2.6" / 66mm

  • Voice Coil Former Material : KAPTON

  • Winding Material: CCAW

  • Cone Material: Water Resistant Carbon Fiber

  • Surround Material: Treated Cloth

  • Basket Material: Die Cast Aluminum

  • Basket Color/Finish: Black Sandblasted

  • Magnet Material: Neodymium

  • Magnet Size: 145x8mm


  • AES Power handling: 150W

  • Program Power Handling: 300W

  • Sensitivity (1w/1m): 100.5dB

  • Frequency Response: 315Hz-20KHz

  • Recommended Hi Pass Crossover: 900Hz

  • Voice Coil Diameter: 3" / 76.2mm

  • Voice Coil Former Material: KAPTON

  • Winding Material: CCA

  • Diaphragm Material: Titanium with Polymer Edge

  • Magnet Material: Neodymium

  • Horn Diameter: 4.13" / 105mm


  • Overall Diameter: 8.24" / 209.5mm

  • Overall Depth: 5" / 127.8mm

  • Front Mount Baffle Cutout: 7.2" / 183mm

  • Mounting Depth: 4.63" / 117.8mm

  • Motor Diameter: 5.7" / 145mm



  • Total Watts (Peak): 2400W

  • RMS Power @ 4 Ohm: 4 x 200W

  • RMS Power @ 2 Ohm: 4 x 300W

  • RMS Power @ 4 Ohm Bridge: 2 x 600W


  • Frequency Response: 20Hz - 20KHz

  • Signal to Noise Ratio: 1W @ 4 Ohms >80dB

  • Channel Separation: >55dB

  • Total Harmonic Distortion (THD): >0.05%

  • Low Level Input Range: 200mV - 5V

  • Selectable X-Over: HPF/LPF/FLAT

  • X-Over Filter Range: 40Hz - 3KHz


  • Amplifier Class: Digital

  • Amplifier Type: Stereo Full Range

  • Number of Channels: 4

  • Minimum Impedance: 2 Ohms (Stereo) / 4 Ohms (Bridged)

  • LED Indicator: Power | Protection | Clip

  • Power Input Terminal Size: 8GA Tinned OFC

  • Recommended Fuse Size: 80A

  • Thermal Protection: Yes (76.4 C)

  • Overload Protection

  • Short Circuit Output Protection

  • Voltage Input Protection

  • Clipping Protection

  • Finish: Brushed Aluminum

Payment Information


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We accept PayPal for all international orders, your address must be verified with PayPal.

We are not responsible for any custom duties or brokerage fees that may apply for all international orders.

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that address on your PayPal account and use the address as the default
or confirmed address to pay us through PayPal

With Free Same Business Day Shipping we work to get you your order Fast. 


All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

P.O. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam,
U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
a member of our team for detailed shipping charges.

Shipping is available only to PayPal verified addresses. When making
payment please confirm your address has been verified with PayPal. Once
payment is made shipping address can not be changed/altered. Payments
made using an unverified PayPal address will be refunded and order will
be canceled.

We will not accept request to change shipping address once payment
has been made. Please confirm your shipping address is up-to-date and

Typical handling time for orders is 1-business day. We do our best
to ship every package with-in 1 business day of receiving a cleared
payment. In some circumstances additional time may be need, in which
case we will contact buyer.

Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

If package is refused or marked undeliverable and returned
back to us by the carrier, you will need to pay the shipping cost in
full to have the package sent back to you or we can refund the money
minus the cost of shipping


If you have not received your package, but the tracking information shows that it was delivered,
please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

Look around the delivery location for the package, or see if a neighbor has accepted the delivery

Be sure to double check your mailbox and other usual spots for package delivery


If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.