optimally tuned and combined into an ingenious overall concept

preserving the integrity of the audio signal and ensuring an optimized listening experience

RMS Power Handling: 70 watts

Advanced Sound Retriever (ASR)

4 combines classic Class A/B amplifier technology with modern features and delivers a dynamic

ESX QXS8D4 MATCH optimally tuned and combined intoESX Quantum Series With an installation depth of 78 mm, this subwoofer is the ideal problem solver for special installations. A particularly flat subwoofer should of course also sound good and must be robust. That's why ESX QUANTUM QXS subwoofers use special and very hard cones made of the composite materials glass fiber and carbon. The woofer has a 40 ounce magnet and is driven by a 50 mm 4+4 Ohm dual voice coil, which is wound very long. Features: