Benchmark USA LA4 Line Preamplifier
Best high performance preamplifier for audiophiles seeking absolute sonic transparency.
This all-analog line stage delivers extreme transparency and precision, acting as a dead-silent bridge between your source and power amplifier. With its sophisticated relay-based volume control and ultra-wide bandwidth, it preserves the integrity of the signal without adding coloration or noise.
$2950.00
at
Music Direct
Who it's for
- Audiophiles seeking the most accurate and uncolored sound reproduction possible
- Listeners who require exact control over their playback levels
- Long-term investors looking for durable and dependable high-end audio gear
Who should skip it
- Users wanting an all-in-one solution for digital or vinyl collections
- Collectors who prioritize a uniform and classic high-end equipment appearance
- Enthusiasts who prefer a lush or colored musical presentation
Performance breakdown
Signal Transparency
Distortion levels are virtually non-existent, preserving every nuance of your source.
Volume Precision
Relay-based control ensures perfect channel balance at any listening level.
Build Integrity
Robust, professional-grade construction built to last for decades of daily use.
Interface Usability
The touchscreen is intuitive, responsive, and makes input management effortless.
System Integration
Flexible balanced and unbalanced I/O options accommodate almost any audio setup.
Dynamic Range
Exceptional headroom handles complex musical passages with absolute ease and clarity.
Key Specs
THD
< 0.00006%
SNR
> 135 dB (unweighted)
Frequency Response
0.1 Hz to 500 kHz
Output Impedance
60 Ohms
Maximum Input/Output Voltage
20 Vrms
Number of Channels
2
Form Factor
Desktop
Inputs
2 Balanced Stereo, 2 Unbalanced Stereo
Outputs
1 Balanced Stereo, 1 Unbalanced Stereo, 1 Balanced Mono Sum
Control
256-Step Relay Gain Control
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