{"product_id":"nadc658","title":"NAD C658 BluOS Streaming Preamplifier \u0026 DAC","description":"\u003cp\u003eThe NAD C658 is a streaming preamplifier that combines BluOS network streaming, an ESS Sabre DAC, Dirac Live room correction and a phono input in a single preamp.\u003c\/p\u003e\u003cp\u003eSounds like a lot of devices in one – and it is. You choose the power amplifier and speakers separately.\u003c\/p\u003e\u003ch2\u003eWhy the NAD C658?\u003c\/h2\u003e\u003cp\u003eThe C658 is the digital command centre for anyone who wants great sound quality without building a stack of components. BluOS brings High-Res streaming including MQA and multiroom, the ESS Sabre DAC converts cleanly with very low jitter, and – the real trump card – the full version of Dirac Live measures your room and digitally smooths out acoustic flaws like boomy bass. You'll hear the difference without moving a single piece of furniture.\u003c\/p\u003e\u003ch2\u003eWhat you get\u003c\/h2\u003e\u003cp\u003eIn terms of connections, the C658 is generous: two optical and two coaxial digital inputs, two line inputs, a low-noise MM phono input. On the output side, choose RCA or balanced XLR pre-outs plus two subwoofer outputs – ideal for pairing it with a power amplifier of your choice. Dual-band Wi-Fi and bidirectional Bluetooth aptX HD are on board, and two MDC slots keep the door open for expansion. The Dirac measurement microphone is included.\u003c\/p\u003e\u003ch3\u003eWho is the NAD C658 right for – and who isn't it right for?\u003c\/h3\u003e\u003cp\u003eIdeal if you have or are planning a separate power amplifier (or active speakers) and are looking for a streaming-capable, high-end preamplifier with room correction. Plain talk: the C658 is a preamplifier – it doesn't power your speakers itself. If you want everything in one box, you're better served by the C700 V2 or M10 V3. In return, the C658 is the more flexible foundation for a growing high-end system.\u003c\/p\u003e\u003ch2\u003eOur verdict\u003c\/h2\u003e\u003cp\u003eThe C658 packs streaming, DAC, phono and genuine room correction into one preamplifier – at a price that's almost an understatement for the technology on offer. The digital command centre for a modern high-end system.\u003c\/p\u003e\u003ch2\u003eTechnical data\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDevice type: Streaming preamplifier \/ DAC \/ network player\u003c\/li\u003e\n\u003cli\u003eDAC: ESS Sabre\u003c\/li\u003e\n\u003cli\u003eStreaming: BluOS (multiroom, MQA)\u003c\/li\u003e\n\u003cli\u003eRoom correction: Dirac Live (full version)\u003c\/li\u003e\n\u003cli\u003eAnalogue inputs: 2× line level (RCA), 1× MM phono\u003c\/li\u003e\n\u003cli\u003eDigital inputs: 2× optical, 2× coaxial\u003c\/li\u003e\n\u003cli\u003eAnalogue outputs: RCA pre-out, balanced XLR pre-out, 2× subwoofer (mono)\u003c\/li\u003e\n\u003cli\u003eWireless: dual-band Wi-Fi, Bluetooth aptX HD (bidirectional)\u003c\/li\u003e\n\u003cli\u003eTotal harmonic distortion (THD): \u003c 0.005%\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: \u003e 110 dB\u003c\/li\u003e\n\u003cli\u003eExpansion: 2× MDC slot\u003c\/li\u003e\n\u003cli\u003eDimensions (W × H × D): 435 × 100 × 407 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 8.9 kg\u003c\/li\u003e\n\u003cli\u003eIncluded: Dirac Live measurement microphone\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eDoes the NAD C658 need a separate power amplifier?\u003c\/h3\u003e\u003cp\u003eYes. The C658 is a pure preamplifier and doesn't power the speakers itself – it needs a power amplifier or active speakers behind it. You connect it to the power amplifier of your choice via the RCA or balanced XLR pre-outs. It's exactly this separation that makes it so flexible and expandable.\u003c\/p\u003e\u003ch3\u003eIs Dirac Live really worth it on the NAD C658?\u003c\/h3\u003e\u003cp\u003eYes, clearly so in most living rooms. Dirac Live uses the included microphone to measure how your room distorts the sound, then digitally corrects frequency response and timing. The result is tighter bass and a more precise soundstage – an effect you'd otherwise only get with elaborate room acoustics. On the C658, the full version is already included.\u003c\/p\u003e\u003ch3\u003eWhy buy the NAD C658 from HD Zürisee?\u003c\/h3\u003e\u003cp\u003eA device with this many possibilities deserves proper guidance, not just a spec sheet. At HD Zürisee in Wädenswil, we show you how the C658, together with a power amplifier, speakers and Dirac, upgrades your system, and we'll set up the room correction on request. Authorised NAD dealer, advice and service included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGoes well with:\u003c\/strong\u003e \u003ca href=\"\/en\/collections\/endstufen\"\u003epower amplifiers\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/standlautsprecher\"\u003efloorstanding speakers\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/aktivlautsprecher\"\u003eactive speakers\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/netzwerkkabel\"\u003enetwork cables\u003c\/a\u003e.\u003c\/p\u003e","brand":"NAD","offers":[{"title":"Default Title","offer_id":52989542531408,"sku":null,"price":1990.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0932\/3262\/8048\/files\/nad-c658-bluos-streaming-vorverstaerker-dac-dirac-frontansicht.jpg?v=1786542687","url":"https:\/\/hdzuerisee.ch\/en\/products\/nadc658","provider":"HD Zürisee AG","version":"1.0","type":"link"}