Subject: Surround sound mix 27 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: DVD player with MPEG-4 playback 12 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: DVD player with DTS 30 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: DVD player with SACD playback 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: 12 inch DVD player 17 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Audio compatibility 10 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Retired edition cassette tape 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Ultra HD Blu-ray player 35 general knowledge quiz questions. It should take around 7 minutes to complete all the questions.

Subject: Lavish home theater system showcase 26 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: High-end home theater demo 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: DVD player with analog audio output 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Atmos 10 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Cassette storage 49 general knowledge quiz questions. It should take around 10 minutes to complete all the questions.

Subject: HDMI ARC 29 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Harman Kardon Enchant 15 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Harman Kardon Soundbar 10 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.