NAD C658 BluOS Streaming DAC

The NAD C 658 is a new kind of stereo component, one that at once changes preconceptions and opens new possibilities for audio reproduction. You see, there has never before been a component offering such a rich palette of both new and proven technology.

INE 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

PHONO 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
• luOS – Free Android and iOS App available online at Google Play and Apple App store
• Supported cloud services
• Spotify, Amazon Music, TIDAL, Deezer, Qobuz, HDTracks, HighResAudio, 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 AND 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)