``Very Natural & Effortless Sounding. Works exceedingly well with our loudspeaker``

``The AGD Vivace Monoblocks have a frequency extension and dynamic of Guinness world record proportions. The general development of the sound-stage is above and beyond the level of the canonical hi-end power amplification. In addition, the extreme clarity of the details in the high and midrange audio spectrum are so natural and captivating that one cannot but immediately, and forever, fall in love with these beautifully crafted Amplifiers .``

``I hear this term thrown around loosely... ``disruptive product,`` sometimes appropriately used... however in this case, we have a winner.``

``The AGD Vivace Monoblocks have a frequency extension and dynamic of Guinness world record proportions. The general development of the sound-stage is above and beyond the level of the canonical hi-end power amplification. In addition, the extreme clarity of the details in the high and midrange audio spectrum are so natural and captivating that one cannot but immediately, and forever, fall in love with these beautifully crafted Amplifiers .``

``The AGD Vivace amp is the finest class-D amp I have heard and one of the best sounding amps regardless of the configuration.``