to reduce the sound in the appartment bellow you should do a sound proofing.
placing a carpet in the entire room where the stereo system is located will partially solve your problem.
you may than use platforms that you would place on the carpet under the spiked speakers.
marble platforms tend to kill resonance most efficiently but are not cost efficient so you could stay with MDF ones.
placing a carpet in the entire room where the stereo system is located will partially solve your problem.
you may than use platforms that you would place on the carpet under the spiked speakers.
marble platforms tend to kill resonance most efficiently but are not cost efficient so you could stay with MDF ones.