Audio-Technica ATH-E40 E-Series Professional In-Ear Monitor Headphones + Fiio A1 Amplifier

Audio-Technica ATH-E40 E-Series Professional In-Ear Monitor Headphonesfeatures a proprietary, dual-phase push-pull driver design that provides improved fidelity and efficiency. These headphones deliver powerful bass along with balanced mid and high-frequencies to convey the full emotion of the music, whether you're playing live on stage or just listening to music on the subway. The ATH-E40 features a specially engineered housing that is designed for improved isolation from outside sound. Isolation and comfort are enhanced by the four sizes of included silicone eartips (XS/S/M/L), which allow you to create a custom fit. The headphones also come with a detachable 5.2' (1.6m) cable and a carrying case. FiiO A1 is a portable headphone amplifierwith volume control, hi-fidelity output, and four EQ modes providing maximum flexibility. It can be used for smartphones, computers, tablets, iPods, and MP3 players to increase volume and deliver a more satisfying experience when listening to audio.