PRELUDE (open-box)

If you own a pair of Susvara headphones, the manufacturer states that you need a powerful amplifier—ideally one that delivers its maximum output at 60 ohms. There are only a few affordable, high-quality options on the market, such as the Hifiman Prelude or the Violectric V550. I ultimately chose the Prelude, and it does exactly what it’s supposed to do. On the downside, there is no on/off switch on the front panel, and the jacks aren't backlit; without that illumination, you risk scratching the front panel when using it in the dark.

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