DS18 PROJECT360.64BN 6.5" 350W RMS 4-Ohm Neodymium Mid-High Bullet Speaker

• 350W RMS Power Handling: Handles 350 watts RMS and 700 watts maximum at 4 ohms for powerful midrange and high-frequency reproduction.
• 100 dB High Sensitivity: Delivers strong output with a frequency response of 100Hz to 17kHz and a recommended high-pass crossover of 140Hz.
• Neodymium Motor: Combines a lightweight neodymium magnet with a 1.75" CCAW voice coil and Kapton former.
• Quick Rotating Recone Design: Patent-pending construction allows easy replacement of moving components without the traditional glue-curing process.
• Aluminum Bullet and Basket: Features a CNC aluminum bullet for improved heat dissipation, a paper cone, cloth surround, and 2.72" mounting depth. Sold individually without a grille.

DS18 PROJECT360.64BN 6.5" 350W RMS 4-Ohm Neodymium Mid-High Bullet Speaker

This Listing Includes:

• (1) DS18 PROJECT360.64BN 6.5" 4-Ohm Mid-High Loudspeaker


• Grille Not Included

The DS18 PROJECT360.64BN delivers powerful midrange and detailed highs with 350 watts RMS power handling and a high-sensitivity 100 dB rating. Its neodymium motor provides strong magnetic performance in a lightweight design, while the paper cone and cloth surround support a frequency response of 100Hz to 17kHz.

Built for easier servicing, DS18’s patent-pending Rotating Recone Design allows quick replacement of the speaker’s moving components without the traditional glue-curing process. A black CNC aluminum bullet and aluminum basket help dissipate heat, while the 1.75" CCAW voice coil uses a Kapton former.

Features:

• 350W RMS Power Handling: Handles 350 watts RMS and 700 watts maximum at 4 ohms for powerful midrange and high-frequency reproduction.


• High-Sensitivity Output: Features a 100 dB sensitivity rating and a 100Hz to 17kHz frequency response for strong output across the mid-high range.


• Neodymium Motor: Uses a 12.8 oz neodymium magnet with a 1.75" CCAW voice coil and Kapton former for a lightweight motor assembly.


• Rotating Recone Design: Patent-pending serviceable construction allows quick replacement of moving components without traditional glue-curing downtime.


• Aluminum Bullet and Basket: Features a black CNC aluminum bullet, aluminum basket, paper cone, and cloth surround, with a 2.72" mounting depth.

Specifications:

• Brand: DS18


• Model: PROJECT360.64BN


• Series: PROJECT360.BN


• Speaker Type: Mid-High Loudspeaker with Bullet


• Nominal Diameter: 6.5"


• Nominal Impedance: 4 Ohms


• RMS Power Handling: 350W


• Maximum Power Handling: 700W


• Sensitivity: 100 dB at 1W/1m


• Frequency Response: 100Hz to 17kHz


• Recommended High-Pass Crossover: 140Hz


• Demodulating Rings: Yes


• Improved Heat Dissipation: Yes


• Cone Shape: Curvilinear


• Speaker Terminals: Spade


• Rotating Recone Design: Yes


• Grille Included: No


• Quantity: Sold Individually

Motor and Construction:

• Voice Coil Diameter: 1.75" / 44.5mm


• Voice Coil Former: Kapton


• Voice Coil Winding: CCAW


• Cone Material: Paper


• Bullet Material: CNC Aluminum


• Bullet Color: Black


• Surround Material: Cloth


• Spider Diameter: 4" / 102mm


• Lead Connection Type: Round Crossed


• Basket Material: Aluminum


• Basket Finish: Black


• Magnet Material: Neodymium


• Magnet Weight: 12.8 oz

Thiele & Small Parameters:

• Equivalent Volume (Vas): 3.218 L / 0.113 ft


• One-Way Excursion (Xmax): 0.3mm


• Free-Air Resonance (Fs): 162Hz


• Mechanical Q (Qms): 6.812


• Electrical Q (Qes): 0.251


• Total Q (Qts): 0.242


• Moving Mass (Mms): 13.134 g


• Mechanical Compliance (Cms): 0.073 mm/N


• BL Factor: 12.739


• Voice Coil Inductance (Le): 0.039 mH


• Cone Area (Sd): 176.71 cm


• DC Resistance (Re): 3 Ohms

Dimensions:

• Overall Diameter: 6.85" / 174mm


• Overall Depth: 3.27" / 83mm


• Front Mount Baffle Cutout: 5.83" / 148mm


• Mounting Depth: 2.72" / 69mm


• Motor Diameter: 3.94" / 100mm

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:

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We also offer financing options to make purchasing easier. Learn more about our financing options here.

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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.

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• 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.

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