为什么amp 那么烫手，哟哟~有没有人指导下，Amp输出不够？

liktin1986

MOhawk 300.4

• RMS Power @ 4 Ohm: 60W X 4 CH
• RMS Power @ 2 Ohm: 90W X 4 CH
• Bridge Power @ 4 Ohm: 180W X 2 CH
• S/N RATIO (Awtg): 93 dB

打 woofer
               LA-S412                                               

Size	12"
Impedance	4-Ohms
Power Handling	400 Watts MAX
Voice Coil Diameter	2"
Speaker Connector	Spring Loaded Terminals
SPL (1w/1m)	85dB
Woofer Displacement	.07 cu. ft. (1.9 Liters)
Cutout Diameter	10.9"
Mounting Depth	5.8"
Recommended Sealed Enclosure	1.00 cu.ft. (28.32 Liters)
Recommended Vented Enclosure	2.00 cu.ft. (26.64 Liters)
Tuning Frequency (vented)	38Hz Port: (2) 3" x 14.50" (7.62cm x 36.83cm)
Shipping Weight	12.1 Lbs. (5.5 Kg.)