Atoll PR300 Evo Preamplifier
Best modular preamplifier for audiophiles seeking a customizable, high-fidelity sound system.
The Atoll PR300 Evo is a highly musical preamplifier designed for discerning audiophiles, offering exceptional modularity. It features a robust build with an 8mm aluminum front panel and a 1.5mm steel chassis. The dual mono, fully symmetrical audio stages are powered by separate toroidal transformers for pristine sound reproduction. Enjoy flexible connectivity with multiple line inputs, XLR options, and a headphone output. This preamp is designed for future-proofing, with support for optional DAC and phono boards, allowing you to customize your audio experience.
$3699.00
Owner Satisfaction
4.5
/ 5
Category Rank
400
/ 766
#400 in Headphone Amplifiers
Price vs Category Average
+165%
Above average
Power supply
2101032
/ × VA (audio) + VA + , VA
Who it's for
- Audiophiles seeking a lively and emotionally resonant listening experience
- Listeners prioritizing long-term reliability and premium component construction
- System builders wanting a flexible foundation for future hardware upgrades
Who should skip it
- Users relying primarily on digital sources without external conversion gear
- Modern listeners requiring all-in-one convenience and integrated digital features
- Users who value premium remote ergonomics and advanced control functionality
Performance breakdown
Audio Transparency
Dual mono architecture delivers exceptionally clean and precise signal reproduction.
Build Integrity
Heavy steel chassis and thick aluminum panel ensure long-term structural stability.
Future-Proofing
Modular board slots allow for easy DAC and phono stage upgrades.
Signal Fidelity
Class A polarization and high-quality capacitors minimize distortion for pure sound.
Connectivity Versatility
Comprehensive input options and balanced XLR support handle complex audio setups.
User Interface
OLED display and intuitive remote make daily operation smooth and straightforward.
Key Specs
Power supply
2×10 VA (audio) + 10 VA + 3,2 VA
Total capacitors
89 000 µF
Bandwidth (-3 dB)
5 Hz – 100 kHz
Rise time
1,3 µs
Input impedance
357 kΩ
Sensitivity
3 V
Signal-to-noise ratio
100 dB
Distortion rate at 1 kHz
0,005%
Features
- Modular design for future upgrades
- Fully symmetrical and dual mono audio stages
- High-quality MKP link capacitors
- Bipolar transistors polarized in class A with low feedback
- Adjustable and memorizable balance control
- Renameable inputs and selectable standby modes
- High-contrast OLED display
- Includes global remote control
What customers say
Customers consistently praise the Atoll PR300 Evo Preamplifier for its exceptional sound quality and robust build. Many reviewers highlight its ability to deliver a clear, detailed, and dynamic audio experience, often noting a significant improvement in their existing systems. The preamplifier's solid construction and elegant design also receive frequent commendation, reinforcing a perception of high quality and durability. Users feel it offers excellent value, particularly given its performance capabilities and the competitive landscape of high fidelity audio components. This combination of superior audio fidelity and tangible quality makes it a highly regarded choice.
Know before you buy
The PR300 Evo is built to grow with your setup. You can install optional DAC or phono boards directly into the unit later, allowing you to add digital streaming or turntable support without needing to replace the entire preamplifier.
By using separate toroidal transformers and fully symmetrical audio stages for each channel, the PR300 Evo minimizes crosstalk and interference. This results in a wider, more precise soundstage and better instrument separation.
Yes, the dedicated headphone output is designed to handle a wide range of headphones effectively. Because the unit uses Class A polarized transistors, it delivers a clean, musical signal that pairs well with most audiophile-grade gear.
Yes, the balance is fully adjustable and can be memorized by the unit. You can easily tweak the settings via the front panel or the included remote control to suit your room acoustics or specific recording imbalances.
Yes, the PR300 Evo includes XLR outputs, allowing for a balanced connection to your power amplifier. This is ideal if you are running longer cable lengths or want to reduce potential noise in your signal chain.
The OLED display provides clear, high-visibility feedback for your input selection and volume levels. It is designed to be easily readable from across the room, and you can rename your inputs to match your specific components for better organization.
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