from $59
The iFi audio GO link is a compact USB DAC and headphone amplifier designed to enhance your audio experience. This inline adapter connects via USB-C and features a 3.5mm headphone output, supporting high-resolution audio up to 384 kHz PCM and 11.2 MHz DSD. Weighing just 0.4 oz, it delivers a signal-to-noise ratio of ≥ 125 dBA and a total harmonic distortion plus noise of ≤ 0.004%, providing clear and detailed sound for your headphones with 70 mW into 32 Ohms. It is compatible with Windows, macOS, Android, and iOS devices, making it an ideal solution for improving audio quality from a wide range of sources.
Match your amplifier's power output (Watts RMS) to your speakers' sensitivity and impedance (Ohms). Do not obsess over astronomical peak wattage claims; RMS is the true measure of sustained power. Available from $59.
Amplifiers have practically zero ongoing costs aside from electricity, which is highly variable based on usage volume and class type (Class A uses more power than Class D). Good amplifiers can last decades with proper care. Consumables are virtually non-existent unless using tube amps.
Common Failure Modes
Solid-state amplifiers are extremely reliable. Failures usually stem from blown capacitors, overheated output transistors, or physical wear on volume potentiometers. Proper ventilation prevents 90% of heat-related failures.
Match your amplifier's power output (Watts RMS) to your speakers' sensitivity and impedance (Ohms). Do not obsess over astronomical peak wattage claims; RMS is the true measure of sustained power. Class D amplifiers run cool and are compact, while Class A/B offer traditional warm sound at the expense of heat and size.
Solid-state amplifiers can last 20+ years. Capacitors may eventually dry out and need replacement.
The iFi audio GO link USB DAC and Headphone Amp is available at bhphoto, starting at $59.
Amplifiers have practically zero ongoing costs aside from electricity, which is highly variable based on usage volume and class type (Class A uses more power than Class D). Good amplifiers can last decades with proper care. Consumables are virtually non-existent unless using tube amps.
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