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Regular price $449.00 NZD
Regular price Sale price $449.00 NZD
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Digital Phono USB Preamplifier

Digitise your vinyl collection

Offering superb measured and sonic performance, NAD’s two simple solutions, the PP 4 Digital Phono/USB Preamplifier makes it easy to add phono to many of today’s stereo amplifiers and AV receivers that have either eliminated the phono input or included a low quality circuit for attaching your turntable. As part of NAD’s commitment to the environment, the PP 4 features a more efficient “green” power supply that reduces power consumption. The PP 4 goes one step further with a USB interface, shielded USB cable and recording level control which reduces noise and improves the analogue-to-digital conversion process. The PP 4’s Auto Power Down feature saves energy by automatically powering the PP 4 to OFF when not in use.

Our PP 4 Digital Phono/USB Preamplifier enables you to digitise your treasured vinyl collections to a PC or Mac. It features inputs for both MM (moving magnet) and MC (moving coil) types for a wide variety of phono cartridges, and there is a line input to allow for the transfer of cassette tapes. The PP 4 also includes VinylStudio Lite Software for ripping LPs and burning audio CDs. The PP 4 Phono-to-USB Preamp offers a complete hardware and software solution with exceptional flexibility to record from LP or tape.

PP 4 VinylStudio Lite

The PP 4 (or the older PP 3) comes with Mac and PC compatible version of AlpineSoft’s VinylStudio Lite ripping software is included with your new PP-4. With VinylStudio Lite you can:

  • Rip LPs into WAV files
  • Split Tracks
  • Burn CDs
  • Record Disks
  • Look up Song Titles
  • Handle File Management

To download your FREE copy of VinylStudio Lite for your PP4 please click on the links below:
Vinyl Studio lite for Windows : Here
Vinyl Studio lite MAC (OS X 10.6 and later): Here
To upgrade to the fully featured version of VinylStudio, please visit AlpineSoft’s own website and purchase the most intuitive software available for ripping LPs and burning CDs. VinylStudio’s powerful audio cleanup tools (you can trial these in VinylStudio Lite) can be used to remove clicks and pops restoring your songs to like new condition.


  • Input Impedance (R and C): 100 Ohm + 180pF
  • Gain at 1kHz: 58dB
  • Input sensitivity (ref. 200mV output): 0.38mV
  • Signal to noise (A weighted, with cartridge connected): 78dB
  • Input overload (20Hz/1kHz/20kHz): 0.65/6.5/60mV
  • Rated Distortion (THD 20Hz – 20kHz): <0.03%
  • RIAA response accuracy: ±0.3dB
  • Infrasonic filter: -14dB (5Hz), -3dB (10Hz)
  • Digital output (USB): 16 bit linear PCM
  • Sampling frequency: 48kHz
  • Dynamic range: 86dB



  • Input Impedance (R and C): 47 kilohm + 200pF
  • Gain at 1kHz: 35dB
  • Input sensitivity (ref. 200mV output): 5mV
  • Signal to noise (A weighted, with cartridge connected): 76dB
  • Input overload (20Hz/1kHz/20kHz): 10/100/900mV
  • Rated Distortion (THD 20Hz – 20kHz): <0.03%
  • RIAA response accuracy: ±0.3dB
  • Infrasonic filter: -14dB (5Hz), -3dB (10Hz)
  • Digital output (USB): 16 bit linear PCM
  • Sampling Frequency: 48kHz
  • Dynamic range: 89dB
  • Record Level: 0dB to -6dB
  • Gross Dimensions excl. Power supply (W x H x D): 135 x 49 x 72mm


Line In

    • Input Impedance: 47 kilohm + 180pF
    • Rated Distortion (THD 20Hz – 20kHz): <0.008%
    • Signal to noise, A weighted: -115dB
    • Maximum Input Level: 5.3V


Line Out

    • Output Impedance: 100 Ohm
    • Maximum Output Level: 5.3V
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