{"product_id":"prv-audio-3-full-range-neodymium-speaker-3mr40-ndy-4","title":"PRV AUDIO 3\" Full-Range Neodymium Speaker 3MR40-NDY-4","description":"\u003cp\u003e\u003cstrong\u003ePRV AUDIO 3MR40-NDY-4 is a compact 3-inch full-range neodymium driver that delivers high-fidelity sound and 40 watts continuous power in a lightweight, low-profile package.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSmall but capable, this 3\" full-range speaker is built for projects where space and weight matter: portable loudspeakers, compact line arrays, and car audio installations. It combines a strong neodymium magnet system, a 0.75\" CCAW voice coil, and a balanced frequency range that extends from the upper bass into the highest treble. With 91 dB sensitivity and a 4 ohm nominal impedance, the 3MR40-NDY-4 produces notable output with modest amplifier power.\u003c\/p\u003e\n\n\u003ch3\u003eHow loud and efficient is this 3-inch driver?\u003c\/h3\u003e\n\n\u003cp\u003eThe 3MR40-NDY-4 is engineered for high acoustic output relative to its size. With 91 dB sensitivity measured at 2.00 V\/1 m and a continuous program power rating of 40 watts, it can achieve substantial sound pressure with compact amplifiers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e91 dB sensitivity for strong sound per watt\u003c\/li\u003e\n  \u003cli\u003e40 W continuous program power (80 W peak capability)\u003c\/li\u003e\n  \u003cli\u003e4 ohm nominal impedance for versatile amplifier matching\u003c\/li\u003e\n  \u003cli\u003eRecommended high-pass at 160 Hz for full-power use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat frequency range and tonal role does it cover?\u003c\/h3\u003e\n\n\u003cp\u003eThis driver offers a broad and well-balanced response from 120 Hz up to 20 kHz, making it useful as a midrange, midbass, or full-range unit depending on system design. It reproduces vocals and mid\/high detail clearly while supporting light bass duties when paired appropriately.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFrequency response: 120–20,000 Hz\u003c\/li\u003e\n  \u003cli\u003eSuitable as midrange in multiway systems or full-range in compact enclosures\u003c\/li\u003e\n  \u003cli\u003eRecommended crossover: 160 Hz, 12 dB\/oct for full-power handling\u003c\/li\u003e\n  \u003cli\u003eProduces clear highs and defined mids for vocal-centric mixes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the neodymium motor and build help in tight installs?\u003c\/h3\u003e\n\n\u003cp\u003eThe driver’s neodymium motor concentrates magnetic flux in a compact form, increasing efficiency while keeping weight low. A stamped steel frame and a shallow mounting depth let the speaker fit into confined spaces without sacrificing structural reliability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStrong neodymium magnet for high efficiency in small size\u003c\/li\u003e\n  \u003cli\u003e0.75\" (19 mm) CCAW voice coil for reliable thermal performance\u003c\/li\u003e\n  \u003cli\u003eLow profile: 1.59\" mounting depth and 1.83\" overall depth\u003c\/li\u003e\n  \u003cli\u003eFront mount baffle cutout of 2.79\" (71 mm) for simple installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specific specs should system designers note?\u003c\/h3\u003e\n\n\u003cp\u003eDesigners will appreciate the precise mechanical and electrical dimensions when planning enclosures or crossovers. The driver is light, compact, and engineered for predictable integration into small cabinets or vehicle panels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOverall diameter 3.69\" (93.7 mm); cutout 2.79\" (71 mm)\u003c\/li\u003e\n  \u003cli\u003eVoice coil winding depth 4.8 mm; magnetic gap depth 4 mm\u003c\/li\u003e\n  \u003cli\u003eNet weight 0.51 lb (0.23 kg); shipping weight 0.55 lb (0.25 kg)\u003c\/li\u003e\n  \u003cli\u003eNominal impedance 4 Ω and peak power rating up to 80 W\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The PRV AUDIO 3MR40-NDY-4 suits audio builders, DIY speaker makers, pro installers, and car audio enthusiasts who need a compact, high-efficiency mid\/high driver that performs beyond its size. It’s ideal where enclosure depth is limited but high output, broad frequency coverage, and lightweight components are required. Use it as a midrange in multiway speaker designs, a compact full-range driver in portable systems, or as a clear, articulate mid\/high in vehicle audio projects.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the 3MR40-NDY-4 be used as a full-range speaker?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it covers 120–20,000 Hz and can act as a full-range in small enclosures; use a 160 Hz high-pass for full-power handling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What amplifier power is appropriate for this 4Ω driver?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Aim for an amplifier that can deliver up to 40 W RMS program power; peaks up to 80 W are acceptable briefly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PRV AUDIO","offers":[{"title":"Default Title","offer_id":48413492969629,"sku":"B0C3YG9CTF","price":49.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/prv-audio-3mr40-ndy-4-front-view.jpg?v=1781268999","url":"https:\/\/nexoltic.com\/products\/prv-audio-3-full-range-neodymium-speaker-3mr40-ndy-4","provider":"Nexoltic","version":"1.0","type":"link"}