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Naim Audio

Naim NAC 552

Regular price $34,999.00 USD
Regular price Sale price $34,999.00 USD
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NAC 552

Performance without limits.



Our preamplifiers epitomise everything we believe in. Starting with our revolutionary NAC 12 back in 1974, Naim Audio preamplifiers have both rewritten the rules and set the standards for others to follow. The NAC 552 is second only to our Statement NAC S1: its distinctive two-box configuration marks it out from the competition just as surely as its unfettered musicality reflects our core values. It's one of the best preamplifiers we’ve ever produced, and by extension, among the best in the world.



  • Two-box configuration for optimum rejection of electromagnetic interference
  • Split-rail power supply featuring 800VA toroidal transformer, three smoothing capacitors and new Discrete Regulator (DR)
  • Fully suspended sub-chassis for superior isolation of sensitive circuit boards
  • AV bypass mode for simple connection to an existing AV system
  • Support for both DIN and RCA inputs to facilitate connection into a wider range of systems
  • Independent listen and record banks for maximum flexibility
  • Assignable inputs for enhanced usability with a range of sources

Technology & Craft

Like every component in our flagship 500 Series range, the NAC 552 has been developed without compromise or constraint. Its two-box design, which houses the power supply components in a separate enclosure to better control electromagnetic interference, is classically Naim Audio. By contrast, the 552 PS DR power supply itself employs radically new thinking, including a new split-rail configuration that virtually eliminates power supply noise in the signal earth.

The sound-critical electronics of the NAC 552 are mounted on a brass sub-chassis, which is fully suspended on coil springs at a frequency below the threshold of human hearing. This method of suspension maximises isolation, hence minimizing the effect of vibration on the highly sensitive electronic components. Carefully selected precision rotary potentiometers with precious metal wipers are used to preserve music integrity and ensure long-term stability.

The NAC 552’s six inputs can be selected directly from either the front panel or the remote control. In addition to the usual DIN inputs, preferred for their superior earthing and impedance matching, the NAC 552 owner can configure two of the inputs for use with the more common RCA phono type connectors, enabling the use of alternative components with pre-owned interconnects.



Naim NAC 552 preamplifier - Read More

"Most important, the sonic vision of the Naim designers was clear and coherent, and they delivered what they set out to achieve—the NAC 552 provided an exceptionally coherent and cohesive sonic, and especially musical, picture. Add to that its high build quality, convenience, flexibility, and, for the most part, glitch-free performance, and you have an expensive product that, when you look at, touch, and hear it, quickly lets you know you're in the presence of audiophile greatness." - Michael Fremer 


Audio Inputs

Other Inputs Two inputs configurable for unity gain
Input Impedance 47kΩ
Analogue Input 7 x DIN, 2 x RCA
Input Sensitivity 75mV

Audio Outputs

Audio Outputs 1 x variable, 3 x fixed (DIN)
Line Outputs Variable (level) 775mV
Line Outputs Fixed (level) 75mV, 600Ω
Load Impedance 10kΩ (min.)
Output Impedance <50Ω
Power Outputs Naim phono amplifier


RS232 Optional (DE9 female)
Remote Input RCA on rear (RC5)


Case Brushed and black anodised
Front Brushed and black anodised


Dimensions 87 x 432 x 314 mm
Weight 12.9 kg


Power Supply Options 552 PS
Supply Voltage 552 PS

Supplied with

Supplied with 552 PS, Power-Line, R-Com and Burndy


Power Supply 552 PS

User Control

Remote Control Infra Red (RC5)
Front Panel Volume control, balance control, sixteen button matrix
Handheld NARCOM-4 Remote Control

552 PS

Audio Outputs

Power Outputs 7 x +/-12V, 1 x 12V, 2 x 24V, 1 x 31V


Case Brushed and black anodised 
Front Brushed and black anodised 


Shipping Weight 17.5 kg
Shipping Dimensions 240 x 590 x 500 mm
Dimensions (HxWxD) 87 x 432 x 314 mm


Mains Supply 100V, 115V, 230V; 50 or 60Hz

Supplied with

Supplied with R-Com, Power-Line, SNAIC