Sennheiser GSX 1000 Headphone Amplifier - The Gamer's Headphone Amp Christopher Coke Posted: Oct 25, 2017 7:00 AM ET Category: Hardware Reviews 0 ...

Some "portable" headphone amplifiers aren't all that small, but the Firestone Audio Fireye Mini is downright tiny. It's just 1.5 inches by 1 inch by 0.5 inch, and the soft-rubber-shelled amp ...

Featuring a 3.5mm headphone jack, 3.5mm mic input, and an illuminated volume knob, the GSX 300 promises to elevate audio performance compared to solutions integrated into your motherboard or laptop.