Outer diameter: 164 × 234 mm

Xmech: 60 mm peak-to-peak

18 Total quality Qts 0

Our BASIC tweeter therefore has a coated silk dome tweeter and a highly efficient neodymium magnet - the result: unique dynamics in the high frequency reproduction and crystal clear sound

Ci7 W165FM-S3

ESX QS-FOUR 6x9" Flair Outer diameter: 164 × 234ESX Quantum Series Following the great success of the sensationally small 2 channel power amplifier QS TWO (only 90 x 35 x 70 mm), ESX set itself the goal of developing an equally small but powerful 4 channel version. With the brand new QS FOUR, this ambition has now become reality: the ultra compact 4 channel power amplifier is now available and is only 10 mm wider than the 2 channel model. With an impressive 4 x 60 watts RMS on just 90 x 35 x 80 mm,