6.5" 300 W RMS 4 Ohm Mid-High Loudspeaker DS18 PROJECT360 Rotating Recone Design

• REVOLUTIONARY ROTATING RECONE DESIGN: Patent-pending twist-lock recone system allows instant cone replacement with no glue, no downtime, and no waiting
• HIGH OUTPUT MID-HIGH PERFORMANCE: 300W RMS power handling delivers aggressive vocals and crystal-clear mid-high frequencies that cut through any system
• HIGH SENSITIVITY EFFICIENCY: 98dB sensitivity provides loud, clean output with less power, maximizing performance in any build
• BUILT FOR DAILY ABUSE: Ferrite motor structure offers strong thermal stability and long-term durability for consistent performance
• CURVILINEAR CONE RESPONSE: Engineered for smooth frequency transition and improved clarity across the mid-high range
• PRO-GRADE CONSTRUCTION: Aluminum basket, Kapton voice coil, and cloth surround ensure strength, heat resistance, and reliability

6.5" 300 W RMS 4 Ohm Mid-High Loudspeaker DS18 PROJECT360 Rotating Recone Design

This Listing Includes

• (1) DS18 PROJECT360.64 6.5" Mid-High Loudspeaker

The DS18 PROJECT360 Series is a new generation of pro audio loudspeakers engineered for extreme output and instant serviceability. Featuring a patent-pending rotating recone design, these speakers allow for fast, glue-free repairs—so your system stays loud with zero downtime.

With high-sensitivity output, a curvilinear cone for improved response, and a rugged aluminum basket, PROJECT360 delivers aggressive mid-high clarity while standing up to real-world abuse.

Powered by a traditional ferrite motor, this version is built for strength, consistency, and heat resistance. It’s designed to handle long play times and aggressive use without performance drop-off, making it perfect for daily-driven systems and heavy demo builds.

Features

• 300W RMS / 600W MAX power handling / Ferrite Magnet


• Curvilinear cone for improved response


• Aluminum basket construction


• Plug-and-play recone system – no glue required


• Patent-Pending rotating recone design for instant repairs


• Compatible recone model PROJECT360.64RCK

Specifications:

• Nominal Diameter: 6.5 Inch (152mm)


• RMS Power Handling: 300 Watts


• Max Power Handling: 600 Watts


• Nominal Impedance: 4 Ohm


• Sensitivity: 98 dB


• Frequency Response: 95Hz - 17kHz


• Recommended High Pass Crossover: 140 Hz


• Sold As: Single


• Grill Included: No


• Cone Shape: Curvilinear


• Speaker Terminals: Spade


• Easy Recone Design: Yes


• Demodulating Rings: Yes


• Voice Coil Diameter: 1.75 Inch (44.5mm)


• Voice Coil Former: Kapton


• Winding Material: CCAW


• Magnet Type: Ferrite


• Magnet Weight: 48 oz


• Basket Material: Aluminum


• Basket Finish: Black


• Cone: Paper


• Dust Cap: Paper


• Surround: Cloth

THIELE AND SMALL PARAMETERS:

• Fs: 170 Hz


• Qms: 3.145


• Qes: 0.514


• Qts: 0.442


• Vas: 2.72 L


• Xmax: 0.3 mm


• BL: 9.133


• Mms: 13.867


• Le: 0.042 mH


• Re: 3.3 Ohms


• Sd: 176.71 cm

Dimensions:

• Overall Diameter: 6.85"


• Mounting Depth: 3"


• Overall Depth: 3.57"


• Cutout Diameter: 5.83"


• Motor Diameter: 5.5"

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

• Bancontact
• iDEAL

Bank Transfers

• Zelle

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.