Body font family verdana geneva sans serif font size11px td font family verdana geneva sans serif font size11px fiio a3 kilimanjaro 2 portable headphone amplifier formerly e11k the fiio a3 portable headphone amplifier boosts audio quality and volume its important for headphone amplifiers to ensure what they are offering is not just an increase in volume output but also an improvement in sound quality the fiio a3 in this sense competes with products at twice the price body th