SKU: 45875255606

NAD C658 Preamplifier & DAC With BluOS Streaming

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Description

NAD C658 Preamplifier & DAC With BluOS StreamingThe NAD C 658 is a preamplifier and digital audio converter with BluOS streaming capabilities, allowing users to stream and access music on any device within their home network. With high resolution digital recording and streaming, advanced technology like MQA, and the ESS Sabre 32bit DAC, the C 658 offers a pure high res sound with a short analog signal path and sophisticated active power supplies, all in one cost effective package. NAD C 658

The NAD C 658 is a preamplifier and digital audio converter with BluOS streaming capabilities, allowing users to stream and access music on any device within their home network. With high resolution digital recording and streaming, advanced technology like MQA, and the ESS Sabre 32bit DAC, the C 658 offers a pure high-res sound with a short analog signal path and sophisticated active power supplies, all in one cost-effective package.

NAD C 658 Preamplifier & DAC With BluOS Streaming

The NAD C 658 is a Preamplifier and Digital Audio Converter with BluOs streaming capabilities. BluOs is a music management software that allows users to stream and access music on any device within your home network, allowing users to project audio using a smartphone, tablet, or controller. This powerful preamp helps audiophiles upgrade their sound system for the 21st Century by fulfilling the roles of a network streaming device, digital audio converter, and a standard preamp, all in one. This creates a highly controlled and balanced sound, in one neat, cost-effective package.

High Resolution in Every Detail
Most NAD components have been High Res for 45 years with very wide bandwidth, low distortion, and ultra-low noise. We just never had High Res source material to play. With High Res digital recording and streaming, combined with advanced technology like MQA, record companies are opening their vaults and releasing Studio Master Quality recordings. MQA decoding is available through BluOS Streaming content. The C 658 is pure High Res from input to output and features the ESS Sabre 32bit DAC , one of the best performing DACs on the market today with its 118dB Dynamic Range and incredibly low jitter spec. All preamp functions are executed in the digital domain including the same wide range non-truncating digital volume control used in our Masters Series components. This offers an incredibly short analog signal path that, rather uniquely, is identical for all volume settings. Sophisticated active power supplies provide super clean voltages to all circuits to keep noise and distortion at the edge of measurability.

FEATURES

  • BluOS Network Streaming with MQA Decoding
  • ESS Sabre DAC
  • Dirac Live Room Correction
  • Gigabit Ethernet
  • Dual Band Wi-Fi 5 a/c/n
  • 2-way Qualcomm aptX HD Bluetooth
  • 2 x MDC Slots for Future Expansion
  • USB socket for adding optional wireless output module
  • IR In with Learning Function
  • Trigger Out/In

Specifications

Line Input, Pre-Out

  • THD (20Hz – 20kHz) <0.005% at 2V out
  • Signal-to-Noise Ratio >106dB (IHF; A-weighted, ref. 500mV out, unity gain)
  • Channel separation
    • >80dB (1kHz)
    • >70dB (10kHz)
  • Input impedance (R and C) 22 kohms + 100pF
  • Maximum input signal >4.5Vrms (ref. 0.1% THD)
  • Output impedance Source Z + 240 Ohm
  • Input sensitivity 93mV (ref. 500mV out, Volume maximum)
  • Frequency response ±0.3dB (20Hz – 20kHz)
  • Maximum voltage output – IHF load >4.5V (ref. 0.1% THD)
  • Tone Controls Treble >±7.0dB at 20kHz; Bass: ±7.0dB at 60Hz; Balance: -10dB


Phone Input, Audio Pre-Out

  • THD (20Hz – 20kHz) <0.01% at 2V out
  • Signal-to-Noise Ratio
    • >84dB (200 Ohm source; A-weighted, ref. 500mV out)
    • >76dB (MM cartridge source, IHF; A-weighted, ref. 500mV out)
  • Input sensitivity 1.44mV (ref. 500mV out, Volume maximum)
  • Frequency response >±0.3dB (20Hz – 20kHz)
  • Maximum input signal at 1kHz >80mVrms (ref. 0.1% THD)


Line Input, Headphone Out

  • THD (20Hz – 20kHz) <0.005% at 1V out
  • Signal-to-Noise Ratio >110dB (32 Ohms loads; A-WTD, ref. 2V out, unity gain)
  • Frequency response ±0.3dB (20Hz – 20kHz)
  • Channel separation >>60dB at 1kHz
  • Output impedance 6 Ohms


DAC

  • Supported audio file formats MP3, AAC, WMA, OGG, WMA-L, ALAC, OPUS
  • High resolution audio formats MQA, FLAC, WAV, AIFF, Supports converted DSD playback via the BluOS desktop app (only)
  • Native sampling rates up to 32bit/192kHz
  • Bit depths 16 – 24


BluOS

  • Supported operating systems Plays music from network shares on the following desktop operating systems: Microsoft Windows XP, 2000, Vista, 7, 8 to current Windows Operating Systems and Mac OS X versions
  • User interface mobile operating system BluOS – Free Android and iOS App available online at Google Play and Apple App store
  • Supported cloud services Spotify, Amazon Music, TIDAL, Deezer, Qobuz, HDTracks, High ResAudio, Murfie, JUKE, Napster, Slacker Radio, KKBox, Bugs
  • Free internet radio TuneIn Radio, iHeartRadio, Calm Radio, Radio Paradise
  • Bluetooth quality Bluetooth aptX HD wireless built-in
  • Bluetooth connectivity Two-Way (Transmit and Receive)
  • Network connectivity
    • Gigabit Ethernet RJ45
    • WiFi 5 (802.11 ac/n)


Dimensions & Weight

  • Dimensions (W x H x D)** 435 x 100 x 405mm (17 1/8 x 3 15/16 x 16)
  • Shipping Weight 10.1kg (22.3lb)
  • Finish: Black

    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 45875255606

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    4.5 ★★★★★
    Based on 18 reviews
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    Product Reviews
    B
    Verified Purchase
    Beccaroo
    Cuba, US
    ★★★★★ 4
    Fluffy and Nice Omegaverse
    Format: Kindle
    … this would have made 5 stars but for 2 reasons. A.) there were quite a few typos; misspelled words, missing quotations, “the his” mistakes, and various signs that maybe a proofread would do good. B.) the writing was quite textbook. Late blooming omega is struggling with her new self, finds a absurdly wealthy pack of alphas, every thing is almost insta-love but she resists, then decides to love herself and let everyone be happy. Rian was my favourite (obviously the author’s favourite too because he got the most page time) but I wish we could see more of his CEO side? He went to work maybe ONCE the entire time. Gray was supposed to be the “growly one” but he turned out to be puppy dog. Lucas was a genius brainiac doctor - but also super alpha with an aggressive hindbrain with a breeding k*nk?? And then there was no actual “breeding”?? Spice 3/5 - normally omegaverse books are super high on messy smut but this was tamer. Romance 3/5 - insta-love that was then resisted because of personal hangup’s Plot 2/5 - weird paced head hopping, showing the same scene from different POV’s that made me feel like it was 2 steps backward, 1 step forward. Humour 4/5 - there were a dozen lines that genuinely made me chuckle out loud Would have been five stars but the lack of proofreading and the predictable plot made me unable to get up to ADORED IT level - four stars is still and official ENJOYED IT, y’all. This isn’t a bad rating. The “Club Heat” has intriguing possibilities so I’m going to give the second one a shot.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 31, 2023
    T
    Verified Purchase
    Trouble In FL
    Waukegan, US
    ★★★★★ 5
    Fantastic writing and non-stop action
    Format: Kindle
    This is a promising, fantastic beginning to what will be a 4-book series. Some readers may be content to read only the first 2 books, but I think you'll find that the story is so good that you'll want to keep reading books 3 and 4. Book 1 is about omega Elvana's introduction to the "Starling" brothers and their search for another missing person, Kelly. It's a bit of a rocky start, with deception and betrayal a key element. Hardly an auspicious beginning. Each member has their own path and purpose in the pack. Their interactions and the resulting narrative are so well-written that I found it difficult to put down. There is a cliffhanger that will have you reaching for book 2 as you finish, so make sure you have it on hand.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 27, 2023
    R
    Verified Purchase
    rilakk
    Boise, US
    ★★★★★ 4
    Fun read
    Format: Kindle
    I'm not really into mafia books but I love Roxy Collin's other series so I decided to give it a try. It had the same great romance, spice, swoon-worthy characters and exciting plot that are her signature. Arben was my favorite, although it was a bit sudden how quickly he changed from ignoring her to wanting to be pack. There were almost too many twists/layers of lies to keep track of but I'm looking forward to reading the other books. The only thing that detracted from the story for me was the need for a bit more proofreading. It was mentioned that Kelly is a female and male at different points, leading me to think she changed her mind at some point about the character's gender but didn't go back and edit it to align in all places. Like another reviewer pointed out, step siblings are different than half siblings. They are incorrectly referred to as step siblings because they (allegedly) share the same biological dad. There are a few other typos as well but those aren't a big deal.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 18, 2025
    C
    Verified Purchase
    Carmen Alicea
    Lexington, US
    ★★★★★ 5
    Stepbrothers, Secrets, and Sizzling Heat
    Format: Kindle
    Twisted Lies by Roxy Collins is a wild ride through family secrets, amnesia, and a steamy stepbrother romance. When Kelly discovers her life is built on lies, she ends up tangled with three alpha stepbrothers and an assassin who once helped her through a heat. The tension? Off the charts! The heat is real, and the complications are messy in the best way. Full of twists, secrets, and fated mates? You'll be hooked from page one! Love omegaverse drama with a dash of taboo? This one's for you!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 10, 2024
    A
    Verified Purchase
    Ashley
    Carnegie, US
    ★★★★★ 3
    Good read
    Format: Kindle
    The book has some good twists and turns, but truthfully I was so confused on some things. It didn't have a good flow for me personally. Not sure if it's due to typos or using him/her wrongly, but I thought Kelly was both a guy and a girl. Actually I still don't know, and it made me incredibly frustrated. It would refer to Kelley as him or he, and then again in another part of the story as her she and sister. On to the next book, I hope there is some clarity and a smoother flow. This is a slow burn, and I just don't know how much I care for the Alphas yet. Idk if I recommend.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 8, 2023

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