{"product_id":"wiim-amp-ultra-space-grey-4-x-definitive-technology-di-5-5r-ceiling-speakers","title":"WiiM Amp Ultra \u0026 4 x Definitive Technology DI 5.5R Ceiling Speakers","description":"\u003ch3\u003e\u003cspan\u003eThe speakers are now discontinued, please call our sales team to discuss alternative and solutions around this package \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003eThis package consists of a WiiM Amp Ultra (Space Grey) and 4 x Definitive Technology DI 5.5R Ceiling Speakers.\u003c\/h3\u003e\n\u003cp\u003eIn our opinion, this package is ideal for a medium \/ large-sized room and will provide good-quality audio.\u003c\/p\u003e\n\u003ch3\u003eWiiM Amp Ultra (Space Grey)\u003c\/h3\u003e\n\u003cp\u003eThe WiiM Amp Ultra Wireless Streaming Amplifier is a high-performance all-in-one streaming amplifier that combines powerful audio amplification and modern smart features in a sleek unibody aluminium design. It delivers up to 100 W per channel into 8 Ω (200 W into 4 Ω) to drive passive speakers with detailed, low-distortion sound using a premium ESS ES9039Q2M SABRE DAC and advanced Class-D amplification. The unit includes a vibrant 3.5″ touchscreen for direct control, supports a wide range of streaming services and wireless connectivity (Wi-Fi 6, Bluetooth 5.3), and integrates with smart home systems like Alexa and Google Assistant. Additional features like HDMI ARC for TV audio, room calibration, and flexible EQ options make it a versatile centrepiece for modern home audio systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePowerful output: Up to 100 W per channel (8 Ω) \/ 200 W (4 Ω)\u003c\/li\u003e\n\u003cli\u003eHigh-end DAC \u0026amp; components: ESS SABRE DAC with low-distortion Class-D amplification\u003c\/li\u003e\n\u003cli\u003eBuilt-in touchscreen: 3.5″ colour display for easy control\u003c\/li\u003e\n\u003cli\u003eWide streaming support: Wi-Fi, Bluetooth, Chromecast, Spotify Connect, TIDAL Connect, Roon Ready\u003c\/li\u003e\n\u003cli\u003eRoom calibration: Automatic room tuning for optimal sound\u003c\/li\u003e\n\u003cli\u003eTV-friendly: HDMI ARC input with Dolby Digital support\u003c\/li\u003e\n\u003cli\u003eMulti-room \u0026amp; smart control: Works with Alexa, Google Assistant, and WiiM Home app\u003c\/li\u003e\n\u003cli\u003eAdvanced EQ options: Presets, graphic EQ, and parametric EQ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDefinitive Technology DI 5.5R Ceiling Speakers\u003c\/h3\u003e\n\u003cp\u003eWith its small diameter, hidden flange design, and low-profile grille, the DI 5.5R is nearly invisible in your ceilings or walls. This pint-size dynamo goes boldly where other speakers can’t, while producing a full, accurate audio experience belying its size.\u003c\/p\u003e\n\u003cp\u003eThe culmination of decades of engineering, DI Series Loudspeakers deliver sensational sound quality while virtually disappearing into walls and ceilings with our hidden flange design. Treat yourself to dynamic bass, smooth midrange, and sparkling treble with little impact on your décor.\u003c\/p\u003e\n\u003ch3\u003eEnvironmental EQ fine-tunes the highs for any space\u003c\/h3\u003e\n\u003cp\u003eAdjust the Environmental EQ switch to customize tweeter output for your listening environment. Engage the [+] setting to boost treble in sound-absorbing rooms, or the [–] setting to reduce treble in lively rooms. Leave in the Centre position for rooms with average reflectivity.\u003c\/p\u003e\n\u003ch3\u003ePivoting Tweeter for controlled directivity\u003c\/h3\u003e\n\u003cp\u003eThe ultralight, rigid construction of DI Series aluminium dome tweeters enables them to play significantly higher frequencies than we can hear, enabling optimum linearity within the range of human hearing. The DI 5.5R features a pivotable tweeter for clean, sparkling, distortion-free highs, with dispersion customizable to your space.\u003c\/p\u003e\n\u003ch3\u003eExclusive BDSS™ Technology midrange\/bass woofer\u003c\/h3\u003e\n\u003cp\u003eFor more bass in less space while keeping midrange detailed and responsive, the DI 5.5R’s 5.25” mid\/bass woofer leverages our exclusive Balanced Double Surround System (BDSS™) driver technology. The double butyl rubber surrounds produce a much greater cone excursion than other comparably sized drivers. And the DI 5.5R’s rigid PolyStone™ basket provides a sturdy launching pad for the powerful excursion.\u003c\/p\u003e\n\u003cp\u003eWith BDSS drivers, you’ll enjoy superior midrange\/bass dynamics and detail in packages sized for stealth.\u003c\/p\u003e\n\u003ch3\u003eAcoustic Wizardry for the details that make the difference\u003c\/h3\u003e\n\u003cp\u003eThe DI 5.5R features a sophisticated adjustable crossover network with custom, high-precision components for superior sonic purity.\u003cbr\u003e\u003cbr\u003eSurrounding the BDSS driver is a specially-contoured AeroRing™ that precisely distributes natural, well-balanced sound by minimizing diffraction.\u003cbr\u003e\u003cbr\u003eThe Axially-Aligned configuration of the tweeter with the woofer provides broader sound dispersion and more natural balance.\u003c\/p\u003e\n\u003ch3\u003ePaintable Magnetic Grille for the final custom touch\u003c\/h3\u003e\n\u003cp\u003eAll DI Series speaker grilles and grille frames are paintable, with easy step-by-step instructions. Once you have your perfect look, powerful neodymium magnets attach the grilles to the speakers for a secure, tool-free finish.\u003c\/p\u003e","brand":"WiiM \/ Definitive Technology","offers":[{"title":"Default Title","offer_id":56666632618357,"sku":"WIM-AMP-ULTRA-GREY-DEF-DI-55R-4","price":1499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2469\/6399\/files\/wiim-amp-ultra-4x-definitive-technology-di-55r-ceiling-speakers_76e134fa-47e2-479d-8923-6f1eb5fb4d25.jpg?v=1769511868","url":"https:\/\/ceilingspeakerworld.co.uk\/products\/wiim-amp-ultra-space-grey-4-x-definitive-technology-di-5-5r-ceiling-speakers","provider":"Ceiling Speaker World","version":"1.0","type":"link"}