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The LessLoss Echo's End Reference Supreme Edition is a premium discrete precision resistor R-2R ladder DAC designed for audiophiles seeking the utmost in digital-to-analog conversion fidelity. It features two separate Panzerholz enclosures—one housing the power supply and the other the DAC circuitry and additional Firewall modules. The unit employs dual transformers, with one dedicated to the digital input schematic, both potted in a special high negative ion content epoxy compound to reduce noise. It includes additional power stabilizer schematics providing 30 times dynamic headroom for the digital input section. The DAC uses three grounded custom handmade carbon fiber transformer shrouds to significantly lower the noise floor and improve jitter reduction. The power inlet is cryogenically treated, solid copper, and gold plated, contributing to a smooth and dynamic sound. The design incorporates three separate LessLoss XLR DC cables based on triaxial cable to connect the two units. It uses the most precise resistors available and dual power supplies with dual Soekris boards reprogrammed for dual mono operation, enhancing stereo separation and spatial nuance. The balanced XLR output is derived from four mono channels of resistor ladders with output buffering bypassed, resulting in digitally perfect balanced signals with extremely low noise floor and holographic sound. The DAC includes a custom LessLoss S/PDIF to I2S conversion schematic superior to the Soekris onboard solution, automatic digital input selection, and a unique 3.3V generation for internal I2S power supply, discarding the USB 5V supply for improved stability and smoothness. All floating bolts and housing bolts are point-to-point star grounded to minimize internal noise reflections, and the unit integrates 14 Firewall 64X technology modules, the best ever made by LessLoss, to ensure ultra-low noise and high stability at very high frequencies. It supports PCM audio up to 24-bit/192 kHz and DSD 1x and 2x over USB input. The DAC is housed in solid Panzerholz enclosures, known for their acoustic properties, and ships in a branded water-tight flight case. This DAC is noted for its smooth, dynamic, and holographic sound with exceptional clarity, transparency, and spatial depth, making it suitable for discerning listeners who prioritize analog-like musicality and minimal digital artifacts.
DAC capabilities and digital audio processing
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The 360's output voltage is 4.0V RMS against the Echo's End Supreme Edition's 2.0V RMS. Both share bit depth (24-bit), max sample rate (192 kHz), and dsd support (DSD128).
The D1-Twelve MK3's output voltage is 1.6V RMS against the Echo's End Supreme Edition's 2.0V RMS and its dsd support DoP against DSD128. Both share bit depth (24-bit) and max sample rate (192 kHz).
The Helios's max sample rate is 384 kHz against the Echo's End Supreme Edition's 192 kHz. Both share bit depth (24-bit), output voltage (2.0V RMS), and dsd support (DSD128).
The DV2i's output voltage is 4.0V RMS against the Echo's End Supreme Edition's 2.0V RMS and its dsd support DSD1024 against DSD128. Both share bit depth (24-bit) and max sample rate (192 kHz).
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