DS18 8" 400W-Peak 4-Ohm SVC Pro Mid-Range Loudspeaker 8PRO400MR-4 — Big Jeff Audio Dealer Platform
Skip to content
Welcome To The Dealer Platform
Welcome To The Dealer Platform


  • High-Powered Performance: With 200W RMS and 400W MAX power handling, this 8-inch loudspeaker delivers powerful and clear sound reproduction, making it ideal for a range of audio applications.
  • Exceptional Clarity: Featuring a high sensitivity rating of 104dB and a frequency response range of 100Hz-12.5KHz, this speaker ensures immersive sound with exceptional clarity and detail, filling any space with rich audio.
  • Advanced Design: The curvilinear cone shape enhances dispersion, while demodulating rings made of copper reduce distortion, ensuring cleaner output and improved sound quality.
  • Durable Construction: Constructed with high-quality materials, including a paper cone, cloth surround, and steel basket, this speaker is designed for durability and longevity, even under demanding conditions.
  • Easy Installation: Equipped with push speaker terminals and a compact design, installation is hassle-free, and the speaker can be easily integrated into various audio systems.

DS18 8" 400W-Peak 4-Ohm SVC Pro Mid-Range Loudspeaker 8PRO400MR-4

This Listing Includes:

  • (1) DS18, 8-inch loudspeaker 8PRO400MR-4

Experience superior sound with DS18’s 8PRO400MR-4! Featuring an 8" diameter and 4 OHMS impedance, it delivers exceptional clarity. With 200W RMS and 400W MAX power handling, enjoy a powerful sound. A high sensitivity rating of 104 dB fills any space with immersive sound, while demodulating rings made of copper reduce distortion for cleaner output. The curvilinear cone shape enhances dispersion, and push speaker terminals ensure hassle-free installation. With its 1.5" SVC made of Til material allows enjoyment of extended playtime without compromise.


  • Nominal Diameter: 8" / 203mm

  • Nominal Impedance: 4-OHMS

  • RMS Power Handling: 200 Watts

  • MAX Power Handling: 400 Watts

  • Sensitivity (1w/1m): 104dB

  • Frequency Response: 100Hz-12.5KHz

  • Recommended HI Pass Crossover: 160Hz

  • Sold as Pair or Single: Single


  • Demodulating Rings: Copper Ring

  • Cone Shape: Curvilinear

  • Speaker Terminals: Push (16ga)


  • Voice Coil Diameter: 1.5" / 38.6mm

  • VC Former Material: Til

  • Winding Material: CCAW

  • Cone Material: Paper

  • Dust Cap Material: Paper

  • Surround Material: Cloth

  • Spider Diameter: 4" / 102mm

  • Leads Connection Type: Spider Crossed

  • Basket Material: Steel

  • Basket Color: Black

  • Magnet Material: Ferrite

  • Magnet Weight: 40 Oz

  • Displacement Volume: 0.56L / 0.02ft3


  • Equivalent Volume: Vas 37.3L / 1.31ft3

  • Excursion (one way): Xmax 0.75mm

  • Free Air Resonance: Fs 70Hz

  • Mechanical Factor: Qms 4.31

  • Electrical Factor: Qes 0.34

  • Total Factor: Qts 0.32

  • Mechanical Mass: Mms 12.72g

  • Mechanical Compliance: Cms 0.43mm/N

  • BL Factor: Bl 7.44

  • Voice Coil Inductance: Le 0.03mH

  • Cone Area: Sd 246.06cm2

  • DC Resistance: Re 3.5ohms

  • Mechanical Mass w/o air: Mmd 12.5g


  • Overall Diameter: 8.19" / 208mm

  • Overall Depth: 3.72" / 94.6mm

  • Front Mount Baffle Cutout: 7.36" / 187mm

  • Mounting Depth: 3.48" / 88.5mm

  • Motor Diameter: 5.1" / 130mm

Payment Information


We accept PayPal for all ebay orders. You can use your credit through PayPal as all major credit card are accepted by PayPal.

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.

When you click on the Buy it Now button you are entering into a
contract whereby you agree to purchasing the item at the price listed.

If you want to ship your item to an alternate address please add
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.