SWP15
15" Active Subwoofer 
Large 15" woofer
Built-in active low pass filter
Built-in amplifier 
Deep resonance-free bass
RCA in/output 
Tophat in top panel
Peakpower:800W
Power max:400W
Frequency response:40Hz-250Hz
SPL@1W/1m:116dB
Woofer:15"
Connectors:XLR,RCA

Dimensions:445x565x655mm

SWP18
18" Active Subwoofer 
Large 18" woofer
Built-in active low pass filter
Built-in amplifier 
Deep resonance-free bass
RCA in/output 
Tophat in top panel
Peakpower:1200W
Power max:600W
Frequency response:40Hz-250Hz
SPL@1W/1m:120dB
Woofer:18"
Connectors:XLR,RCA
Dimensions:435x550x615mm