Hey fellow Singaporean! I have been testing out the E11 for a few days already, the EQ on the E11 does give the bass a much stronger boost compared to the E5, but the E11 does cause the mids and highs to be a little recessed when the EQ is set at its highest settings. The E11 does produce some noticeable buzz ( Which I find quite similar to the E5 ) as long as the bass boost is on, even at the lowest boost settings when the unit is on but not playing any sound. When I compare the E11 to the E5 using the standard settings ( No bass boost ), the E11 does offer a slightly better SQ than the E5. An improvement, although the size of the E11 is significantly larger than the E5 ( Still small and light enough for portability IMO ) . Hope this helps.