My E-mail:rlwk2009@post76.com
Projector:Sony VPL-VW260ES
Screen:OS Pure Mat II EX 90
AV AMP:RX-A2040
POWER AMP:Emotiva XPA-5
BDP:Panasonic DMP-UB400
前置:Dali ikno 5 mk2
中置:Dali vokal 2 m
The purpose of 反射孔 is to increase the bass volume, 如果用海棉塞在2個反射孔內, you will notice a drop in the bass volume; and most likely your SUB's performance will suffer - because this is not what it was designed for.