NAD - PP 4 Digital Phono USB Preamplifier
A phono stage for playing records properly and preserving analogue sources through USB.
When Vinyl Needs Playback and Archiving
Some systems need a phono stage. Others also need a way to save records, cassettes, or analogue sources before they become harder to enjoy. A basic phono input can help with playback, but it will not solve the digitizing side of the problem.
The challenge is keeping vinyl playback clean while also giving older media a practical route into a computer-based library.
One Box for Listening and Transfer
We chose the NAD PP 4 because it combines a proper MM/MC phono preamplifier with USB output for analogue-to-digital transfer. It can sit between a turntable and amplifier for normal listening, then connect to a PC or Mac when the goal is to preserve records or other analogue sources.
It is useful in systems where the vinyl setup needs to stay tidy, but the music library has more than one job to do. Playback, transfer, and everyday connection all stay organized in a compact component.
What the Specs Won't Tell You
Records Stay Enjoyable While the Library Gets Preserved
The PP 4 is not only a transfer tool. It is also a low-noise phono stage, so records can sound clean through the system before any digitizing work begins.
Older Sources Get a Practical Second Life
The line input makes it possible to digitize cassette tapes and other analogue sources. That helps preserve material that may not exist in streaming services or modern formats.
Recording Levels Are Easier to Control
The adjustable recording level helps avoid overly hot transfers. That matters when moving analogue material into a digital library, where distortion from poor level setting can become permanent.
The Audio Two Verdict
The PP 4 is the right NAD phono stage when listening and archiving both matter. It makes sense for someone with records, tapes, or older sources that deserve better than a basic capture device.
We like it because it solves two related problems without making the system messy: it gives vinyl a proper phono path and gives analogue media a clean route into a computer.
Tech You Can Hear
| What You Hear | Why It Happens |
|---|---|
| Cleaner record playback before the amplifier | Low-noise MM and MC phono preamplifier with accurate RIAA equalization |
| Better control when saving records | USB output with adjustable recording level from 0 dB to -6 dB |
| Older analogue sources become easier to preserve | Line input for cassette decks and other analogue sources |
| Less risk of unwanted rumble reaching the system | Infrasonic filter rated at -14 dB at 5 Hz |
| Simple transfer workflow | VinylStudio Lite software and shielded USB cable included |
Technical Highlights
- Digital phono USB preamplifier
- Supports moving-magnet and moving-coil cartridges
- USB output: 16-bit linear PCM at 48 kHz
- Line input for digitizing cassette tapes and other analogue sources
- Adjustable recording level from 0 dB to -6 dB
- RIAA response accuracy: ±0.3 dB
- VinylStudio Lite software and shielded USB cable included
Why Choose Audio Two
Audio Two ships across Canada. If you don't have access to a proper high-end dealer in your city, this is your way in — real expertise from people who've heard the system, matched the electronics, and can guide you through a decision this size.