{"product_id":"b-ware-b-audio-ref-sq63","title":"B-Stock  B² Audio REF SQ63","description":"\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003eB-Stock Description:\u003c\/span\u003e\u003cbr\u003eThe speaker grille on a midrange and tweeter is dented; the dome and diaphragm are undamaged. The set has never been used and will be delivered in its original packaging.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eExperience breathtaking clarity and precision across the entire sound spectrum with the B2 Audio REFSQ63 Reference Series 3-Way Component System, a premium audio solution designed for competition-level quality and everyday use at the highest level\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThis system combines powerful, rich-sounding 6.5-inch low-midrange drivers with ultra-clear 3-inch midrange drivers and extremely responsive 1-inch ceramic dome tweeters. Each component has been engineered for maximum resolution, low distortion, and linear dynamics, ensuring that your audio system reproduces every nuance with rich detail and precision\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFrom precise control of the midrange to nuanced reproduction of the full vocal range and the shimmering finesse of the highs, the REFSQ63 delivers a coherent and immersive soundstage worthy of the Reference seal\u003c\/strong\u003e\u003c\/span\u003e.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eMulti-layer carbon diaphragms\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBoth the midrange drivers and the low-midrange drivers utilize a rigid, lightweight carbon construction for clean, controlled reproduction and powerful output with minimal distortion\u003c\/strong\u003e\u003c\/span\u003e.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003e1\" Ceramic Dome Tweeter\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDelivers incredibly precise and delicate high-frequency detail with a CCAW voice coil, two neodymium magnets, and a vented aluminum housing for low distortion and heat dissipation\u003c\/strong\u003e\u003c\/span\u003e.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003e3\" full-range midrange driver with CNC-machined gold accents\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFEA-optimized neodymium motor with a precisely matched copper cap and gold-plated CNC yoke and top plate ensures low compression, rich vocals, and smooth upper mids\u003c\/strong\u003e\u003c\/span\u003e.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eHigh-efficiency, low-compression design\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVentilated die-cast aluminum baskets, copper shorting rings, and non-conductive voice coil carriers maximize airflow, heat dissipation, and sound clarity at high volumes\u003c\/strong\u003e\u003c\/span\u003e.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePerformance Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e6.5\" midrange driver: 100W Max \/ 70W RMS\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e3\" full-range driver: 100W Max \/ 30W RMS\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e1\" tweeter: 75W Max \/ 25W RMS \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eNominal impedance: 4Ω (woofer \u0026amp; midrange), 3Ω (tweeter)\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e✓ 6.5\" and 3\" multi-layer carbon fiber cones for stability, control, and musicality\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e✓ 1\" ceramic dome tweeter for extremely precise and delicate high frequencies\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e✓ FEA-optimized neodymium magnets for tweeters and midrange drivers\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e✓ Non-conductive TIL voice coil carriers for damping control\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e✓ CCAW and copper voice coils to reduce moving mass\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e✓ Gold-plated cover plates, CNC-machined aluminum baskets, and decorative rings\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e✓ Ventilated baskets and pole pieces for thermal and acoustic efficiency\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e✓ Perfect for active or passive 3-way soundtrack systems\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eCrossover Configuration Explained: \u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThis set includes a 2-way bi-amping crossover that allows you to drive the woofer and tweeter through separate amplifier channels. This configuration is particularly popular among audiophiles who want maximum control and fine-tuning in their system\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAlthough a true tri-amping crossover would require a 6-channel amplifier with identical circuitry (which increases complexity and cost), this crossover offers greater flexibility. It can be operated as a 2-way system (woofer + tweeter per side), while the included 3-inch full-range driver can be actively driven by your DSP or amplifier\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThis allows you to set up a passive\/active hybrid system using just a single 4-channel amplifier, or to operate a fully active system with a DSP for maximum control. This design gives you the freedom to choose between the convenience of traditional passive systems and advanced active configurations—without having to commit to a single option\u003c\/strong\u003e\u003c\/span\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eComponent Specifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003e6.5-inch mid-bass driver\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMaximum power handling: 100 W\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRMS power handling: 70 W\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eNominal impedance: 4 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil diameter: 1.4\" \/ 35.5 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCone material: Multi-layer carbon fiber\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMagnet: High-density ferrite\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFrequency response: 50 Hz – 10 kHz\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity (1 W\/1 m): 87.6 dB\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMounting depth: 2.93\" \/ 74.5 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCutout diameter: 5.31 inches \/ 135 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOverall diameter: 6.5\" \/ 165 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eUnit weight: 3.74 lbs \/ 1700 g\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003e3\" midrange driver\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMaximum power handling: 100 W\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRMS power handling: 30 W\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eNominal impedance: 4 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDC resistance: 3.35 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil diameter: 1.2\" \/ 30.5 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil former: TIL (non-conductive)\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil wire: Copper\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMagnet: Neodymium, FEA-optimized with copper cap\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCone material: Multi-layer carbon fiber\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBasket: Ventilated die-cast aluminum basket\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFrequency response (-3 dB): 200 Hz – 20,000 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity (1 W\/1 m): 88.0 dB\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMounting depth: 1.52\" \/ 38.6 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCutout diameter: 3.02\" \/ 76.8 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOverall diameter: 3.62 inches \/ 92 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eUnit weight: 450 g\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTweeter:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMaximum power handling: 75 W peak \/ 25 W RMS\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eNominal impedance: 3.0 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDC resistance: 2.3 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil diameter: 1.0\" \/ 25.4 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil former: Polyimide\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil wire: CCAW\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCooling: Ventilated + copper conductor\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMagnet structure: Internal dual neodymium magnet\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDome material: Ceramic\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSurround: VC-bonded only—no interaction with the dome\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnclosure: CNC-machined aluminum for low resonance and optimal heat dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFrequency response (-6 dB): fs ~ 20,000 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity (1 W\/1 m): 86.0 dB\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMounting depth: 1.1\" \/ 28 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCutout diameter: 1.79\" \/ 45.4 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOverall diameter: 2.24 inches \/ 57 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eUnit weight: 150 g\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThis offer includes:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e(2) 6.5\" full-range midrange drivers\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e(2) 3\" midrange drivers\u0026nbsp;\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e(2) 1\" ceramic dome tweeters\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e(2) Passive 2-way crossovers\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eB-Stock \u003c\/p\u003e","brand":"B2 Audio","offers":[{"title":"2-way set","offer_id":53187609100555,"sku":null,"price":470.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/ce52a098714208217d55e9115ce4868c1b3c8b2362066ce5caf9404395f2e0a5.jpg?v=1764196570","url":"https:\/\/mtaudio.eu\/en\/products\/b-ware-b-audio-ref-sq63","provider":"MT Audio Shop","version":"1.0","type":"link"}