Sundown SA-8M and SA-6.5M technical review

Thank you to Sundown for sending these drivers for review. Frequency response, distortion, impulse, in car RTA and comparison against Seven Fidelity, Helix and Stereo Integrity drivers. Can Sundown make drivers that can be called truly SQ? Lets find out together. 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