- HIGH POWER OUTPUT 375W RMS and 750W max power handling for loud, clean midrange performance.
- NEODYMIUM MOTOR Lightweight design with improved efficiency and output compared to ferrite speakers.
- LOUD AND CLEAR 97.5 dB sensitivity delivers strong output with less power.
- ALUMINUM BULLET COOLING Black aluminum phase plug improves heat dissipation and sound projection.
- DURABLE BUILD Aluminum basket and 2 inch Kapton voice coil for reliability in daily or SPL systems.
6x9" 375W RMS 4 Ohm Mid-Range Loudspeaker w Neo Bullet DS18 69XL750NB-4
This Listing Includes:
- (1) DS18 69XL750NB-4 6x9" Mid-Range Loudspeaker, 4 Ohm
The DS18 69XL750NB-4 delivers powerful midrange performance with lightweight neodymium motor technology, designed for loud, clear vocals and aggressive output in high-performance car audio systems. This 6x9 midrange speaker is built for pro audio-style door builds, custom installs, and SPL setups where efficiency and output matter most.
Featuring a 2-inch Kapton voice coil, CCAW winding, and neodymium ring motor structure, the 69XL750NB-4 provides excellent responsiveness with reduced weight compared to traditional ferrite speakers. The black aluminum bullet improves heat dissipation and enhances sound projection, helping vocals cut through clearly even at high volume levels.
A strong aluminum basket, cloth surround, and paper cone provide durability and natural sound reproduction, making this speaker a reliable choice for daily systems or competition builds.
Features
- 375W RMS / 750W Max Power / 97.5dB Sensitivity
- Midrange Coaxial Design
- Neodymium Ring Motor
- Conical Paper Cone with Cloth Surround
- Perfect for Pro Audio and Motorcycle Builds
Specifications:
- Nominal Diameter: 6x9" (152 x 228 mm)
- Nominal Impedance: 4 Ohms
- RMS Power Handling: 375 Watts
- Max Power Handling: 750 Watts
- Sensitivity: 97.5 dB (1w/1m)
- Frequency Response: 80 Hz - 12.5 kHz
- Sold As: Single
Motor:
- Voice Coil Diameter: 2" (50.8 mm)
- Voice Coil Former: Kapton
- Winding Material: CCAW
- Cone Material: Paper
- Surround Material: Cloth
- Leads Type: Spider Crossed
- Magnet Material: Neodymium Rings
- Magnet Weight: 11.4 oz
- Bullet Material: Aluminum
- Bullet Color: Black
- Basket Material: Aluminum
- Basket Color: Satin Black
Thiele & Small Parameters
- Equivalent Volume (Vas): 16.3 L / 0.57 ft3
- Excursion One Way (Xmax): 3.8 mm
- Free Air Resonance (Fs): 90 Hz
- Mechanical Q (Qms): 3.907
- Electrical Q (Qes): 0.221
- Total Q (Qts): 0.209
- Moving Mass (Mms): 12.194 g
- Moving Mass Without Air (Mmd): 12 g
- Mechanical Compliance (Cms): 0.249 mm/N
- BL Factor (BL): 10.052
- Voice Coil Inductance (Le): 0.04 mH
- Cone Area (Sd): 229.66 cm2
- DC Resistance (Re): 3.2 Ohms
Dimensions:
- Overall Diameter: 6.6"x9.48" / 168x241mm
- Overall Depth: 3.73" / 95mm
- Front Mount Baffle Cutout: 6"x8.8" / 152.7x224.6mm
- Mounting Depth: 3.4" / 86.5mm
- Motor Diameter: 4.13" / 105mm
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.
