- HIGH-OUTPUT MIDRANGE PERFORMANCE: DS18 PRO-X4.4BMSL 4-inch shallow midrange loudspeaker delivers 100 watts RMS and 200 watts maximum power handling, reproducing powerful vocals, instruments, and upper midrange frequencies for aftermarket car audio systems.
- SHALLOW-MOUNT DESIGN: Compact 1.63-inch mounting depth and 4-inch nominal diameter make this speaker an excellent option for custom door panels, speaker pods, tight mounting locations, and multi-speaker audio installations where space is limited.
- INTEGRATED BULLET RESONATOR: Features a center-mounted bullet resonator designed to improve upper-frequency projection, with a frequency response of 260Hz to 11.5kHz and 89dB sensitivity for clear, detailed sound reproduction.
- DURABLE SPEAKER CONSTRUCTION: Built with a 1-inch Kapton voice coil former, copper-clad aluminum wire winding, 6-ounce ferrite magnet, and sturdy red gloss steel basket for reliable performance in demanding car audio applications.
- 4-OHM CAR AUDIO LOUDSPEAKER: Designed for compatible aftermarket amplifiers with a recommended 280Hz high-pass crossover. Features a 4.11-inch overall diameter, 4-inch baffle cutout, and 1.63-inch mounting depth. Sold individually.
DS18 4" 100W RMS 4-Ohm Shallow Mid-Range Bullet Loudspeaker PRO-X4.4BMSL
This Listing Includes
- (1) DS18 4" Speaker PRO-X4.4BMSL
Bring powerful, detailed mid-range sound to your car audio system with the DS18 PRO-X4.4BMSL PRO-X 4" Shallow Mid-Range Bullet Loudspeaker. Designed for high-output audio systems where installation space is limited, this compact speaker delivers 100 watts RMS and 200 watts maximum power handling. Its shallow 1.63" mounting depth makes it an excellent choice for custom door panels, speaker pods, and space-conscious car audio installations.
Equipped with a 1" Kapton voice coil, copper-clad aluminum wire (CCAW) winding, and a ferrite magnet, the PRO-X4.4BMSL is engineered for reliable mid-range performance. Its integrated bullet resonator helps extend high-frequency reproduction, providing a frequency response of 260Hz to 11.5kHz. With 89dB sensitivity and a recommended 280Hz high-pass crossover, this loudspeaker is designed to reproduce vocals, instruments, and upper mid-range frequencies with clarity and projection.
Built with a durable steel basket and distinctive red gloss finish, the PRO-X4.4BMSL combines performance with aggressive styling. Its 4-ohm impedance allows integration into compatible aftermarket amplifier configurations, while its compact 4" design provides flexible installation options. Whether you're upgrading factory speakers or building a custom high-output sound system, this DS18 PRO-X speaker delivers impressive mid-range performance without requiring excessive mounting depth.
Features
- Shallow-Mount Design: Compact 1.63" mounting depth accommodates installations with limited space.
- 100W RMS Power Handling: Delivers consistent performance with up to 200 watts maximum power handling.
- Integrated Bullet Resonator: Enhances upper-frequency projection for improved vocal and instrumental detail.
- 4-Ohm Impedance: Compatible with aftermarket amplifiers designed to support 4-ohm speaker loads.
- 1" Kapton Voice Coil: Heat-resistant voice coil former engineered for demanding audio applications.
- CCAW Voice Coil Winding: Copper-clad aluminum winding balances electrical conductivity and lightweight construction.
- Ferrite Magnet: Provides the magnetic field required for controlled speaker operation.
- 89dB Sensitivity: Supports efficient sound reproduction with properly matched amplification.
- Extended Frequency Response: Reproduces frequencies from 260Hz to 11.5kHz.
- Durable Steel Basket: Provides structural support with a distinctive red gloss finish.
- Compact 4" Design: Ideal for custom speaker pods, door panels, and multi-speaker audio configurations.
- Single Speaker Configuration: Sold individually for flexible system customization.
Specifications:
- Brand: DS18
- Series: PRO-X
- Model: PRO-X4.4BMSL
- Speaker Type: Shallow Mid-Range Bullet Loudspeaker
- Nominal Diameter: 4" (101.6mm)
- Nominal Impedance: 4 Ohms
- RMS Power Handling: 100 Watts
- Maximum Power Handling: 200 Watts
- Sensitivity (1W/1M): 89dB
- Frequency Response: 260Hz - 11.5kHz
- Recommended High-Pass Crossover: 280Hz
- Voice Coil Diameter: 1" (25.4mm)
- Voice Coil Former Material: Kapton
- Voice Coil Winding Material: CCAW
- Basket Material: Steel
- Magnet Type: Ferrite
- Magnet Weight: 6 oz
- Speaker Quantity: Single
Thiele & Small Parameters:
- Equivalent Compliance Volume (Vas): 0.567L / 0.02 ft³
- Maximum Linear Excursion (Xmax): 5.8mm
- Resonant Frequency (Fs): 251Hz
- Mechanical Q (Qms): 3.307
- Electrical Q (Qes): 3.044
- Total Q (Qts): 1.585
- DC Resistance (Re): 3.2 Ohms
Dimensions:
- Overall Diameter: 4.11" (104.5mm)
- Front Mount Baffle Cutout: 4.00" (102.3mm)
- Mounting Depth: 1.63" (41.4mm)
- Overall Depth: 1.74" (44.3mm)
- Product Weight: 1 lb
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
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- Meta Pay (formerly Facebook Pay)
- Google Pay
- Shop Pay
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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.
