Adjustable volume earphone

The utility model relates to a pair of adjustable volume earphones, which comprises a head clamp, ear bases with loudspeakers inside, and an earphone line. The utility model is characterized in that the earphone line or one of the ear bases is provided with a volume adjuster. The volume adjuster comprises a casing, a circuit board, an adjusting circuit, an adjusting knob and a battery base. The adjusting circuit and the adjusting knob are arranged on the circuit board, and the adjusting circuit comprises a signal input terminal, the adjusting knob, an amplification circuit, a signal output terminal and a power supply, wherein, the signal input terminal, the adjusting knob, the amplification circuit, the signal output terminal and the power supply are connected into a work circuit through conductive wires. Because of the volume adjuster arranged on the earphone wire or the earphone base for adjusting and amplifying the sound source and improving the effect of the sound quality, the utility model can adjust and amplify the sound source, improve the stereo effect and improve the quality the of sound quality effectively. The utility model has the advantages of simple structure, small size, low cost, simple manufacturing technique, and convenient use. The utility model can be widely suitable for various walkmans.