Dual 8" (20cm) Passive Radiator Design Powered Subwoofer Box (4O). Highly powerful yet surprisingly compact, this efficient unit uses two passive cones on the sides in addition to the active main cone to provide exceptionally high-quality, tight and accurate bass response.
Features of the Alpine SWD-2030 include:
Class-D Amplified Subwoofer
Dimensions: 292(w) x 241/357(h) x 250/381(d) mm
Diagnostic display
Easy "one-plug" connector
+/- 12V Power input
Remote input
High-power (speaker level) input
RCA input (4V input compatible)
Auto-On/Off selector (On function by remote signal or music signal)
Selectable input (RCA or High-Power/Speaker)
Phase Shift 0-180° adjust
Low pass filter adjust 50-150Hz 12dB
Level adjust (GAIN control)
Soft limiter function
System-tuned subsonic filtering
Integrated ICEpower class-D amplifier with very low heat dissipation
Two passive drivers
8" sealed subwoofer
350W Peak Power
150W RMS/250W max.
Overload protection circuit
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Dual 8" (20cm) Passive Radiator Design Powered Subwoofer Box (4O). Highly powerful yet surprisingly compact, this efficient unit uses two passive cones on the sides in addition to the active main cone to provide exceptionally high-quality, tight and accurate bass response.