Hallo there.I want to buy 2 Fi Q15" for my nissan almera N16.I have clear 180liters=6.4Cb at the back of the car for box for two of them total and i want to know if they can handle my amp.My amp is Team Cactus Sound 5KW and i want them to play at bass race in 139.9 and play music for daily. This the spec of my amp 1 x 3400W @ 1 ohm (12V) 1 x 5000W @ 1 ohm (14.4V) 1 x 5900W @ 1 ohm (16V) 1 x 7500W @ 1 ohm (18V) THD: <1% (at 4 ohms) S/N Ratio: >100dB Freq. Response: 10Hz ∼ 350Hz (