http://www.jblpro.com/www/products/recording-broadcast/one-series
Compact Powered Desktop Monitors

Coaxial 4.5-inch (118 mm) contoured LF driver with integrated.75-inch (19 mm) soft-dome HF driver
Contoured low-frequency port
Integrated 60-watt Class D power amplifier; 30 watts distributed to each speaker

http://imgur.com/rkM3v98.jpg
http://imgur.com/wwPHi0y.png
http://imgur.com/QOCediQ.png
http://imgur.com/Tlo1AAG.png
http://imgur.com/1hPxNcR.jpg

https://vintageking.com/jbl-one-series-104-powered-monitor-pair
JBL One Series 104 Powered Monitor - Pair

https://www.sweetwater.com/store/detail/104pr--jbl-1-series-104-4.5-inch-compact-powered-monitors-pair
$149.00 先行予約