{"product_id":"b2-audio-reference-series-3-4-ohm-50w-coated-paper-cone-midrange-speaker-ref63","title":"B2 Audio Reference Series 3\" 4-Ohm 50W Coated paper cone Midrange Speaker REF63","description":"\u003cul\u003e\n\u003cli\u003eHigh-Quality Construction: The B2 Audio REF63 Midrange Speaker features a coated paper cone construction, providing durability and enhanced sound reproduction for your car audio system.\u003c\/li\u003e\n\u003cli\u003eWide Frequency Response: With a frequency response ranging from 200 Hz to 12 KHz, this midrange speaker delivers accurate and detailed sound across a wide range of frequencies, ensuring clear and balanced audio reproduction.\u003c\/li\u003e\n\u003cli\u003eNeodymium Magnet: Equipped with a neodymium magnet, this midrange speaker offers high magnetic strength in a compact and lightweight design, allowing for efficient power handling and improved performance.\u003c\/li\u003e\n\u003cli\u003eAdvanced Parameters: Featuring parameters such as QMS, QES, QTS, VAS, CMS, MMS, and BL, this midrange speaker is designed for optimal performance and compatibility with a variety of audio setups.\u003c\/li\u003e\n\u003cli\u003eEasy Installation: With compact dimensions and easy mounting options, the REF63 Midrange Speaker can be seamlessly integrated into your car audio system for enhanced sound quality and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eB2 Audio Reference Series 3\" 4-Ohm 50W Coated paper cone Midrange Speaker REF63\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e*This one’s been discontinued, but we’ve got you covered. Check out the B2-REFSQ3.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\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(2) 3\" 50W Midrange Speakers\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eUpgrade your car audio system with the B2 Audio REF63 Midrange Speaker. Constructed with a high-quality coated paper cone, this midrange speaker offers durability and enhanced sound reproduction, ensuring clear and balanced audio performance. With a wide frequency response ranging from 200 Hz to 12 KHz, this speaker delivers accurate and detailed sound across a variety of music genres. The neodymium magnet provides high magnetic strength in a lightweight design, allowing for efficient power handling and improved performance. Equipped with advanced parameters for optimal performance, this midrange speaker is designed to enhance your audio experience. With compact dimensions and easy installation options, the REF63 Midrange Speaker is the perfect choice for upgrading your car audio system.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eFrequency Response: 200 Hz ~ 12 KHz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSensitivity: 81.2 dB\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNominal Impedance: 4 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDC Resistance (RE): 4.9 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eResonance Frequency (FS): 190 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePower Handling: 50 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQMS: 5.04\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQES: 1.29\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQTS: 1.03\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVAS: 0.1 L\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCMS: 81 um\/N\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMMS: 6.9 g\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil Diameter: 1\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBL: 5.9\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMagnet Type: Neodymium\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\u003eMounting Depth: 1.14\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Depth: 1.58\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Diameter: 3.38\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMounting Diameter: 2.51\"\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"B2 Audio","offers":[{"title":"Default Title","offer_id":48237231833336,"sku":"B2-REF63","price":199.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/328aa01986a433378201a92bb357437340348709397a4751294d34734432f707.jpg?v=1776169517","url":"https:\/\/bigjeffaudio.com\/products\/b2-audio-reference-series-3-4-ohm-50w-coated-paper-cone-midrange-speaker-ref63","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}