True Systems P-Solo

Single-channel precision microphone/instrument preamplifier.
True Systems P-Solo image 1
True Systems P-Solo image 1

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True Systems P-Solo
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TRUE Sound in a Single Channel

P-Solo features an identical preamp design to the acclaimed Precision 8 and P2analog mic preamps, which are noted for stunning sonic detail and neutral, but musical, character. The sonic character of this preamp compliments any microphone type and produces superior results in a broad variety of applications. And, the instrument input (DI) provides exceptional articulation, presence and depth from electric instruments.

True Systems P-Solo Features:
  • Natural, musical, highly-detailed soundfield
  • Complete compatibility and superior results with any mics - condenser, dynamic, and ribbon
  • Totally balanced, dual servo, high dynamic range, transformerless design using hand-matched components.
  • Internal linear AC power supply for excellent transient response (no 'wall wart' or external supply).
  • High impedance instrument input
  • Highpass filter
  • 48V Phantom Power
  • Dual analog outputs
  • Four-level metering.
  • Oversize volume control with selectable 10db input level attenuation
  • Compact, portable attractive, solid desk-top case.

Additional Media

Studio Preamp Buying Guide

Tech Specs

Preamp Type Solid State
Number of Channels 1
Frequency Response 1.5Hz-500kHz
Phantom Power Yes
Analog Inputs 1 x XLR (Mic), 1 x 1/4" (Hi-Z)
Analog Outputs 1 x XLR, 1 x 1/4"
Height 6"
Depth 3"
Width 6"
Weight 5 lbs.
Manufacturer Part Number USPSOLO

Customer Reviews

Based on 12 reviews
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true systems p-solo

absolutely wonderful sound and easy to use. I highly recommend this product for any studio
Music background: composer and recording artist


This preamp will give you the feeling of being in a professional studio. The sounds that I get with microphones and direct plugin with my guitar are absolutely pristine. You don't need to think too long about what preamp to buy. You've found it.
Music background: Professional Songwriter


A very detailed preamp. I A/B'd it with a FMR RNP and it was so much richer and detailed that I sold the FMR. I'm now thinking of either getting another P-Solo or a Grace M101 to add to my P-Solo for stereo recording. It's a shame that there is NOT a single comparison between the Grace and P-Solo anywhere. It's like it's against the law to compare the two.If you search the first 2 million google hits of Grace M101 v P-Solo there is nothing. It seems the internet police have kept these 2 preamps from colliding........

A must have

This is absolutely a pre everyone in the industry should have, unless you already have a Martech. Which is the cleanest preamp ever made IMO. But this is literally a small fraction of the cost of a Martech. I don't recommend this to be your only pre, but it definitely fills a niche that you're probably missing out on as you're reading this. I've found this to be the best sounding preamp I've run through for most female vocalists, bass guitars, lower resonance strings, and any room mic or ribbon. (Just add the cloud lifter for ribbons or dynamics). Male vocals is hit and miss with this, it really depends on the voice in that case. I love how long the throw is on the volume knob, it makes fine tuning your gain very easy. Its also a really beautiful piece of gear. These pictures don't do the brushed red metal justice. People who know nothing of preamps will imagine this costing thousands more than it does. Everyone who comes in to the studio always admires it.
Music background: Engineer

I was amazed

When I recently purchased a new microphone I was really baffled which pre amp to choose. Throughout the years I had purchased, used and returned a lot of them. They all made great claims. This time I decided to call the manufacture of the company that built my microphone. I spoke with the developer about what Pre Amp would best compliment my microphone. He told me the P-SOLO by True systems. He was right! In all the years of spending upwards of over 2 grand on pre amps this little baby for around 500 dollars is well built and sounds fantastic, what a marriage. I suggest before you go through the agony of finding the right pre amp, just try this one.. No wonder they are always on back order. The P-SOLO- PRE AMP by TRUE SYSTEMS. You’ll love it. Duke Morgan_
Music background: Voice over and Engineer_ Duke Morgan Productions LLC

Sweetwater Advice

Dennis Konicki

The PSolo is absolutely stunning. It is extremely quiet, and amazingly accurate. It's a must-have for anyone looking for a transparent mic preamp that delivers a microphone's nuances seamlessly into a system.

Kenny Bergle

The only mic pres imported by Neumann. Stellar clarity and wonderful 'pre'sence! One can't go wrong with a True!

Jon Gillespie

Absolutely stunning clarity, and perfect in its simplicity. The P-Solo is the legenday "wire with gain!" Finally a world-class preamp that you can have in your home studio for less than $500. Anyone who wants to get professional-grade quality out of their home studio should have the P-Solo as their money channel!
See also: True Systems, True Systems Preamps