NAD
C 658
Introduced 2019$2,299 MSRP
The NAD C 658 is a BluOS streaming DAC/preamplifier that combines an ESS Sabre 32-bit DAC, Dirac Live room correction, MM phono input, and dual MDC (Modular Design Construction) expansion slots for future upgrades like HDMI or USB-DSD modules, in NAD's Classic-series half-width chassis. It was the first NAD stereo component to feature Dirac Live and remains a widely reviewed all-in-one streaming preamp option.
MSRP
$2,299
Used market · Mint
$1,100
-52% vs MSRP
as of Sep 1, 2026MSRP to used market
From $2,299 at launch to $1,100 today.
Specifications
- Inputs
- MM phono, 2x line-level, 2x optical, 2x coaxial digital, 2x MDC expansion slots
- Weight
- 10.1 kg / 22.3 lb (shipping weight)
- Outputs
- Balanced XLR and unbalanced RCA preamp outs (2 each), 2x mono subwoofer RCA outs, 1/4" front headphone output, 12V trigger, IR output
- DAC chip
- ESS Sabre 32-bit DAC
- Dimensions
- 435 × 100 × 405 mm / 17-1/8 × 3-15/16 × 16 in (W × H × D)
- Room correction
- Dirac Live
- Network wireless
- Gigabit Ethernet RJ45; Wi-Fi 5 (802.11ac/n) dual-band; two-way Bluetooth with aptX HD
- Formats supported
- MQA (full unfold), FLAC, WAV, AIFF, ALAC, plus converted DSD via BluOS desktop app
- Streaming services
- Spotify Connect, TIDAL Connect, Amazon Music, Deezer, Qobuz Connect, plus BluOS multiroom via Roon Ready and AirPlay 2
- Native sampling rates
- Up to 32-bit/192kHz
- Line input pre out THD SNR
- <0.005% THD at 2V out; >106dB SNR (IHF, A-weighted)
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