- HIGH-SENSITIVITY MIDRANGE PERFORMANCE: DS18 8PRO400NMR-4 delivers 200W RMS / 400W MAX with 100 dB sensitivity for strong output, excellent projection, and clean midrange detail.
- LIGHTWEIGHT NEODYMIUM MOTOR: Built with a neodymium magnet for high efficiency, reduced weight, and powerful response in performance-focused audio systems.
- CLEAR AND AGGRESSIVE VOCAL RANGE: Covers 100Hz to 17kHz for strong vocal presence, detailed midrange reproduction, and crisp upper-frequency output.
- BUILT FOR RELIABILITY: Features a 1.5-inch Kapton voice coil with CCAW winding, copper demodulating ring, and cloth surround for durability and reduced distortion at high volume.
- INSTALLATION-FRIENDLY DESIGN: Compact motor structure and 3-inch mounting depth make this 8-inch pro audio speaker easier to integrate into custom doors, pods, and other high-output applications.
DS18" 200 Watt RMS 4-Ohm High-Sensitivity Pro NEO Mid Loudspeaker 8PRO400NMR-4
This Listing Includes
- (1) DS18 8" loudspeaker 8PRO400NMR-4
The DS18 8PRO400NMR-4 is an 8-inch high-sensitivity professional midrange speaker designed for powerful output, strong vocal projection, and clean midrange detail. Built with a lightweight neodymium magnet motor, this speaker delivers excellent efficiency while keeping installation weight down for performance-focused builds.
With 200 watts RMS and 400 watts MAX power handling, the 8PRO400NMR-4 is made to stay loud and clear in demanding car audio and pro audio systems. Its 100 dB sensitivity helps it produce impressive output with less power, while the 100Hz to 17kHz frequency response gives you strong midrange presence and crisp upper detail.
This speaker features a 1.5-inch Kapton voice coil with CCAW winding for efficient thermal handling and dependable performance under load. A copper demodulating ring helps reduce distortion and improve clarity, while the paper cone and cloth surround maintain a natural, aggressive sound character. The black aluminum basket adds strength without unnecessary weight, and the shallow 3-inch mounting depth makes it easier to fit into a wide range of custom installs.
Engineered for serious output and clean projection, the DS18 8PRO400NMR-4 is a strong choice for anyone building a loud, efficient midrange setup.
Features
- 8" High-Sensitivity Professional Midrange Speaker
- 200W RMS / 400W MAX Power Handling
- 4-Ohm Impedance
- 100 dB Sensitivity
- 100Hz - 17kHz Frequency Response
- Neodymium Magnet Motor
- 1.5" Kapton Voice Coil
- Copper Demodulating Ring
- Paper Cone with Cloth Surround
- Black Aluminum Basket
- Shallow 3" Mounting Depth
Specifications:
- Nominal Diameter: 8" / 203mm
- Nominal Impedance: 4 Ohms
- RMS Power Handling: 200W
- MAX Power Handling: 400W
- Sensitivity (1w/1m): 100dB
- Frequency Response: 100Hz - 17kHz
- Recommended High-Pass Crossover: 120Hz
- Sold As: Single Unit
- Demodulating Rings: Copper Ring
- Cone Shape: Curvilinear
- Speaker Terminals: Push 16ga
Motor:
- Voice Coil Diameter: 1.5" / 38.6mm
- Voice Coil Former Material: Kapton
- Winding Material: CCAW
- Cone Material: Paper
- Dust Cap Material: Paper
- Surround Material: Cloth
- Leads Connection Type: Spider Crossed
- Basket Material: Aluminum
- Basket Color / Finish: Black
- Magnet Material: Neodymium
- Magnet Weight: 8 Oz
Thiele & Small Parameters:
- Equivalent Volume (Vas): 17.42L / 0.615ft3
- Excursion (One Way): 1.65mm
- Free Air Resonance (Fs): 97Hz
- Mechanical Factor (Qms): 1.530
- Electrical Factor (Qes): 0.27
- Total Factor (Qts): 0.23
- Mechanical Mass (Mms): 10.85g
- Mechanical Compliance (Cms): 0.25mm/N
- BL Factor: 5.84
- Voice Coil Inductance (Le): 0.39mH
- Cone Area (Sd): 221.67 cm2
- DC Resistance (Re): 3.6 Ohms
Dimentions
- Overall Diameter: 8.1" / 206mm
- Overall Depth: 3.3" / 84.6mm
- Front Mount Baffle Cutout: 7" / 180mm
- Mounting Depth: 3" / 77.5mm
- Motor Diameter: 3.5" / 90mm
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.
