Questyle Audio Savings For a limited time, save $500 dollars off the Questyle Audio CAS192D DAC and CMA800R Headphone Amplifier. Questyle Audio CMA800R Headphone Amplifier - SAVE $500 Questyle Audio CMA800R Current Mode Headphone Amplifier embodies a dedicated quest for perfect sound. The ability to add a second unit for True Mono Balanced operation makes this amplifier as flexible as it gets in the realm of headphone amplification. Strong, powerful and controlled, it can also be used as a wonderful Preamp as long as you have only one source. "I heard details previously buried deep in the track. The sound was...