Bose Sub1 Powered Bass Module for L1 Pro32 System 100313735 The 1SKB-R104's 4U front is

The 1SKB-R104's 4U front is perfect for your power conditioner

Using the J-Iso to convert a balanced signal

portable design with rugged all-metal construction

Radio style selector switches are used to route the microphone to the desired preamp and automatically turn off the other outputs to streamline the comparison process

SKB's 3RR Series Removable Shock Rack Transport cases are available in 8 sizes: 3U

Bose Sub1 Powered Bass Module for L1 Pro32 System 100313735 The 1SKB-R104's 4U front isBose Sub1 Powered Bass Module A powered, portable bass module, the Sub1 subwoofer combines with virtually any portable PA and delivers low end performance down to 40 Hz. Its unique 7 13 high excursion RaceTrack driver allows for an ultra slim enclosure, delivering performance that rivals a traditional 12 woofer without the cumbersome size, freeing up room in your vehicle and on the stage. Compared to the Sub2 subwoofer, Sub1 is the more compact