Uploaded August 2026 | Updated September 2026, 3 weeks ago

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Thank you to Beeses Audio for sending me these amplifiers to test. This is an introductory video, there will be a separate video for each of the amplifiers with objective data analysis.

Amplifiers in the video:
SQL-4400 - beesesaudio.com/products/sql-4400
OF-2 - beesesaudio.com/products/of-2
PETEK STEREO - beesesaudio.com/products/petek-stereo

Please shop at Fosi Audio using this link (affiliate):
https://fosiaudioshop.com?sca_ref=10609263.5uDRiwPkNh&utm_source=affiliate&utm_medium=referral&utm_campaign=uppromote

Please use the affiliate link at D4S website:
https://lddy.no/1k57z
Use code: rawcat88

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