Which of these subs you would recommend, considering that my care is Audi A4 sedan, and the sub will be in a box (back in the trunk next to wall; behind the back seat)
Current Amplifier - Kenwood KAC-7201
800 Watts max power
150 Watts x 2 max (4 ohms) RMS
460 Watts x 1 (4 ohms) RMS...