Midbass register now well, to the detriment of acute (one stays far from the HiFi) Provides a much higher than that of the original HP power on my laptop (Acer 1810 TZ) (this was the goal) By cons, none of the features of its Windows 7 (. Surround, EQ, ambience, etc.) is used, as shown in a small enclosed leaflet: trying to activate actually mutes the AQ Amigo.
