Earphone Amplifier, Two-Stage Gain Switch

The earphone amplifier operates for more as much as 8 hours, supporting load ranging 16-300Ω. This features a high/low gain toggle for best headphone output. A portable design makes it convenient to port and delivers remarkable sound without noise. Works well with Sony, RS120, HDR 120, and beyerdynamic headphones. Note: 3.5mm conversion cable not included; purchase separately.