The Eleven Audio (XI Audio) Formula S headphone amplifier is built in a black anodised aluminium housing and features a dual mono amplifier module that delivers impressive speed and clarity, powerful bass and drums, yet with a beautiful tube-like decay for cymbals and strings. The Formula S is tuned for the highest resolution music and headphones. Featuring ALPS volume control with JPS Labs Alumiloy® wires connected directly to the inputs.
Designed specifically for the ABYSS AB-1266 Phi planar headphones, the Formula S amplifier is a highly recommended companion to take full advantage of the headphones' resolution and musical capabilities. The Formula S offers the power and amplification to deliver a highly refined, detailed yet full-bodied sound with any full-size, high-performance headphone. Its impeccable balance and harmonic richness approach the sound of a high-performance tube amp.
The Formula S dedicated headphone amplifier delivers the distinctive sound that music connoisseurs have been looking for.
