209 × 195 × 55 mm

Xmech: 60 mm peak-to-peak

Abmessungen: 500 × 350 mm

Outer diameter: 164 × 234 mm

this type of drive ensures powerful and crisp bass

ESX QS-FOUR 6x9" Flair 209 × 195 × 55ESX 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,