6.5" 350 W RMS 4 Ohm Mid-High Loudspeaker DS18 PROJECT360 Neo Rotating Recone

• PATENT-PENDING ROTATING RECONE DESIGN: Twist-lock recone system allows instant repairs with no glue, no downtime, and no waiting
• HIGH EFFICIENCY NEO PERFORMANCE: 100.5dB sensitivity delivers extreme output with less power for louder, cleaner sound
• 350W RMS HIGH OUTPUT POWER: Handles aggressive mid-high frequencies with clarity, punch, and control
• LIGHTWEIGHT NEODYMIUM MOTOR: Reduced weight with increased efficiency, perfect for performance builds and tight installs
• PLUG-AND-PLAY SERVICEABILITY: Fast recone replacement keeps your system playing without interruption
• PRO-GRADE BUILD QUALITY: Aluminum basket, Kapton voice coil, and cloth surround ensure durability and heat resistance

6.5" 350 W RMS 4 Ohm Mid-High Loudspeaker DS18 PROJECT360 Neo Rotating Recone

This Listing Includes

• (1) DS18 PROJECT360.64N 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.

Equipped with a high-efficiency neodymium motor, this version delivers increased output with less power and significantly reduced weight. Ideal for performance-focused builds where loudness, clarity, and efficiency are the priority.

Features

• 350W RMS / 700W MAX power handling / Neodymium 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 PROJECT360.694RCK

Specifications

• Nominal Diameter: 6x9" (152x228mm)


• RMS Power Handling: 350 Watts


• Max Power Handling: 700 Watts


• Nominal Impedance: 4 Ohms


• Sensitivity: 101 dB


• Frequency Response: 100Hz - 17kHz


• Recommended High Pass Crossover: 90 Hz


• Sold As: Single


• Grill Included: No


• Cone Shape: Curvilinear


• Speaker Terminals: Spade


• Easy Recone Design: Yes


• Demodulating Rings: Yes


• Improved Heat Dissipation: Yes


• Voice Coil Diameter: 1.75"


• Voice Coil Former: Kapton


• Winding Material: CCAW


• Magnet Type: Neodymium


• Magnet Weight: 12.8 oz


• Basket Material: Aluminum


• Basket Finish: Black


• Cone: Paper


• Dust Cap: Paper


• Surround: Cloth

THIELE AND SMALL PARAMETERS

• Fs: 160 Hz


• Qms: 2.667


• Qes: 0.264


• Qts: 0.240


• Vas: 2.78 L


• Xmax: 0.3 mm


• BL: 12.708


• Mms: 14.523 g


• Le: 0.035 mH


• Re: 3.4 Ohms


• Sd: 176.71 cm

Dimensions:

• Overall Diameter: 6.85"


• Mounting Depth: 2.72"


• Overall Depth: 3.27"


• Cutout Diameter: 5.83"


• Motor Diameter: 3.94"

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.