User contributions
- 13:33, 2 February 2016 (diff | hist) . . (+142) . . Why Is There No Impulse Right Speaker With High Efficiency?
- 13:27, 2 February 2016 (diff | hist) . . (+48) . . Why Is There No Impulse Right Speaker With High Efficiency?
- 13:22, 2 February 2016 (diff | hist) . . (+365) . . Why Is There No Impulse Right Speaker With High Efficiency?