{"product_id":"ds18-4-100w-rms-4-ohm-shallow-mid-range-bullet-loudspeaker-pro-x4-4bmsl","title":"DS18 4\" 100W RMS 4-Ohm Shallow Mid-Range Bullet Loudspeaker PRO-X4.4BMSL","description":"\u003cul\u003e\n\u003cli\u003eHIGH-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.\u003c\/li\u003e\n\u003cli\u003eSHALLOW-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.\u003c\/li\u003e\n\u003cli\u003eINTEGRATED 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.\u003c\/li\u003e\n\u003cli\u003eDURABLE 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.\u003c\/li\u003e\n\u003cli\u003e4-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.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDS18 4\" 100W RMS 4-Ohm Shallow Mid-Range Bullet Loudspeaker PRO-X4.4BMSL\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThis Listing Includes\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e(1) DS18 4\" Speaker PRO-X4.4BMSL\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eBring 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.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eEquipped 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.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eBuilt 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.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eShallow-Mount Design: Compact 1.63\" mounting depth accommodates installations with limited space.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e100W RMS Power Handling: Delivers consistent performance with up to 200 watts maximum power handling.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eIntegrated Bullet Resonator: Enhances upper-frequency projection for improved vocal and instrumental detail.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e4-Ohm Impedance: Compatible with aftermarket amplifiers designed to support 4-ohm speaker loads.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e1\" Kapton Voice Coil: Heat-resistant voice coil former engineered for demanding audio applications.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCCAW Voice Coil Winding: Copper-clad aluminum winding balances electrical conductivity and lightweight construction.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFerrite Magnet: Provides the magnetic field required for controlled speaker operation.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e89dB Sensitivity: Supports efficient sound reproduction with properly matched amplification.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eExtended Frequency Response: Reproduces frequencies from 260Hz to 11.5kHz.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDurable Steel Basket: Provides structural support with a distinctive red gloss finish.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCompact 4\" Design: Ideal for custom speaker pods, door panels, and multi-speaker audio configurations.\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSingle Speaker Configuration: Sold individually for flexible system customization.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eBrand: DS18\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSeries: PRO-X\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eModel: PRO-X4.4BMSL\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSpeaker Type: Shallow Mid-Range Bullet Loudspeaker\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNominal Diameter: 4\" (101.6mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNominal Impedance: 4 Ohms\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS Power Handling: 100 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMaximum Power Handling: 200 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSensitivity (1W\/1M): 89dB\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFrequency Response: 260Hz - 11.5kHz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRecommended High-Pass Crossover: 280Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil Diameter: 1\" (25.4mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil Former Material: Kapton\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil Winding Material: CCAW\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBasket Material: Steel\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMagnet Type: Ferrite\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMagnet Weight: 6 oz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSpeaker Quantity: Single\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eThiele \u0026amp; Small Parameters:\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eEquivalent Compliance Volume (Vas): 0.567L \/ 0.02 ft³\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMaximum Linear Excursion (Xmax): 5.8mm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eResonant Frequency (Fs): 251Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMechanical Q (Qms): 3.307\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eElectrical Q (Qes): 3.044\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eTotal Q (Qts): 1.585\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDC Resistance (Re): 3.2 Ohms\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Diameter: 4.11\" (104.5mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFront Mount Baffle Cutout: 4.00\" (102.3mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMounting Depth: 1.63\" (41.4mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Depth: 1.74\" (44.3mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eProduct Weight: 1 lb\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003c\/p\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":67972816371960,"sku":"DS-PRO-X4.4BMSL","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/DS18_PRO-X4.4BMSL_Main_image.jpg?v=1793814490","url":"https:\/\/bigjeffaudio.com\/products\/ds18-4-100w-rms-4-ohm-shallow-mid-range-bullet-loudspeaker-pro-x4-4bmsl","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}