The Alpine SWE-815 (20cm) 8" Amplified Subwoofer Box gives you plenty of bass power taking the fewest possible space.

 

• Featuring 8 (20cm) SWE subwoofer, Built-in 150W amplifier.
• Included wired remote control for level, phase and low-pass frequency (50-125Hz @-12dB/oct.)
• Included port plug for sealed or vented operation
• Featuring 8 (20cm) Customized SWE-843E Subwoofer

• 300W Peak Power Handling (100W rms)
• Heavy Duty Subwoofer Grill
• Frequency Response: 34Hz - 1.5kHz
• Impedance: 2x 2?
• Sensitivity: 91.0dB/W(1m)

 

• Built-in MXE-M150CKD Amplifier

• 150W Max Power
• Wired Remote Controller for Vol., Freq., Phase Setting
• RCA & Speaker Inputs
• High Quality Bass Reflex Box
• Optimum Wedge Shaped Design
• Removable Port Plug for Sealed and Vented Operation
• High Output Slot Vented Design
• Dimensions: 288mm (W) x 291mm (H) x 253mm / 363mm (D)