KECES S4 PRE-AMPLIFIER / S300+ POWER AMPLIFIER REVIEW Keces is a brand from Taiwan and in this HiFi review, Oscar Stewart takes a listen to the Keces S4 Pre-Amplifier / S300+ Power-Amplifier costing €3990 apiece. Keces may not be one of the big names in HiFi, however, they have been making a range of power … Continue reading Keces S4 Pre-Amplifier / S300+ Power-Amplifier Review