opened but never used it don't know anything about it but will try to answer any questions. The TOPPING L30 Headphone Amplifier is a high-quality audio device designed specifically for enhancing the sound quality of headphones. Made by the reputable brand TOPPING in China, this model provides a clear and powerful audio output for an immersive listening experience. Perfect for audiophiles and music enthusiasts looking to elevate their sound system, this headphone amplifier is a sought-after piece in the world of sound and vision equipment.
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