Aperiodic membrane vs infinite baffle

Lets find out if adding an aperiodic membrane into infinite baffle setup makes a huge difference and is it an improvement. Please shop at Fosi Audio using this link (affiliate): https://fosiaudioshop.com?sca_ref=106... Please use the affiliate link at D4S website: https://lddy.no/1k57z Use code: rawcat88 If you like the channel consider subscribing to my Patreon   / rawcat   Or, you can make a donation to my PayPal: https://www.paypal.me/pixerix