還有一個超便宜的東西分享一下消息
如果有人要做便宜的全音域多媒體喇叭
可以看看這個ONKYO FULL RANGE
http://www.madisound.com/onkyo.html
This is an 8ohm 4' full range driver made by Onkyo. It has a 3' paper cone and coated textile surround on a 4-1/16' stamped frame. The speaker is partially shielded by a bucking magnet. 
Price each $5.00
Price each in 25 piece case lots: $3.50
<img src='http://www.madisound.com/imgs/onkyofront.jpg' border=0>
Parameters:
Fs 96Hz,   Vas 3.8 liters,   8 ohm,   Re 7.4 ohm,   87dB,   Qms 3.45,   Qes 0.9,   Qts 0.72,   Le@1kHz 0.28,   BL 3.41 TM,   Mms 2.35 g,   Cms 1163.2 uM/N,   5 watt,   voice coil diameter 7/8',   x-max 1mm 
Dimensions:
4-1/16' square with rounded corners, 3-1/2' cut out hole size, 2' depth 
<img src='http://www.madisound.com/imgs/onkyograph.gif' border=0>
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全世界最窮的發燒友就是我:P