{"product_id":"monitor-audio-radius-3-4g-bookshelf-speakers-pair","title":"Monitor Audio Radius 3 4G Bookshelf Speakers (Pair)","description":"\u003cp\u003eThe Monitor Audio Radius 3 4G is a high-performance mini-monitor speaker built for TV, film, music, gaming and multi-room applications.\u003c\/p\u003e\n\u003cp\u003eA 4.5-inch C-CAM RST III bass\/mid driver pairs with a 25 mm C-CAM Gold Dome tweeter, each powered by its own optimised motor system, to produce expansive, detailed sound far beyond what its compact dimensions suggest.\u003c\/p\u003e\n\u003cp\u003eThrough-bolt driver bracing, HiVe II port technology and a precision-engineered crossover work together to deliver tight bass, controlled dispersion and exceptional clarity across the frequency range.\u003c\/p\u003e\n\u003cp\u003eFlexible wall, desktop or floor stand mounting makes the Radius 3 4G easy to integrate into any residential or commercial space, and pairing it with a Monitor Audio subwoofer unlocks truly full-range performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Motor Driver System:\u003c\/strong\u003e A 4.5-inch C-CAM RST III bass\/mid driver and 25 mm C-CAM Gold Dome tweeter, each with its own optimised motor, deliver detailed sound with real dynamic headroom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew Crossover Design:\u003c\/strong\u003e Precision-engineered for the 4G generation to improve integration between the driver and tweeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-Bolt Driver Bracing:\u003c\/strong\u003e Reinforces the driver mounting for a more rigid, resonance-free cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHiVe II Ports:\u003c\/strong\u003e Reduce turbulence and port noise for cleaner, more controlled bass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Mounting:\u003c\/strong\u003e Wall, desktop or floor stand options via compatible FIX-M brackets suit both residential and commercial installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Ready:\u003c\/strong\u003e Pair with a Monitor Audio subwoofer for genuinely full-range performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Format:\u003c\/strong\u003e 2-Way\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response, In-Room (-6dB):\u003c\/strong\u003e 44 Hz - 35 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity (2.83 Vrms @ 1m, Free-Field):\u003c\/strong\u003e 84 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Impedance:\u003c\/strong\u003e 8 Ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Impedance (20 Hz to 20 kHz):\u003c\/strong\u003e 4 Ohms @ 250 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Peak SPL (AES75, Z-weighted):\u003c\/strong\u003e 107 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Power Handling (CTA 426-B):\u003c\/strong\u003e 75 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Amplifier Power (RMS, Music Signal):\u003c\/strong\u003e 75-150 W into 4 Ohms, 40-75 W into 8 Ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Alignment:\u003c\/strong\u003e Ported\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Tuning Frequency:\u003c\/strong\u003e 53 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrossover Frequency:\u003c\/strong\u003e LF\/HF: 2.7 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Unit Complement:\u003c\/strong\u003e 1× 4.5\" RST III bass-mid driver, 1× 25 mm C-CAM Gold Dome tweeter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinishes:\u003c\/strong\u003e High Gloss Black, Satin White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Dimensions (H × W × D):\u003c\/strong\u003e 255 × 150 × 201 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (each):\u003c\/strong\u003e 3.7 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold As:\u003c\/strong\u003e Pair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible MAG Brackets:\u003c\/strong\u003e FIX-M\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eWhat You Get\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e2 x Radius 4 Speakers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Monitor Audio","offers":[{"title":"Black","offer_id":64165041439097,"sku":null,"price":575.0,"currency_code":"GBP","in_stock":false},{"title":"White","offer_id":64165041471865,"sku":null,"price":575.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0055\/9906\/8206\/files\/monitor-audio-radius-3-4g-bookshelf-speakers-pair-bookshelf-speakers-monitor-audio-black-702345.jpg?v=1785941640","url":"https:\/\/www.kbaudio.co.uk\/products\/monitor-audio-radius-3-4g-bookshelf-speakers-pair","provider":"K\u0026B Audio","version":"1.0","type":"link"}